OITracker Cboe delayed data
OI update signal: Not checked today MSFT / AAPL · Checked Oct 23, 09:56 EDT
The latest collection was incomplete. Some data may be out of date.
View affected symbolsAADX,AAMI,AAP,ABAT,ABCB,ABEO,ABG,ABM,ABOS,ABSI,ABTC,ABUS,ABVC,ACB,ACET,ACH,ACHC,ACLS,ACMR,ACNB,ACOG,ACRS,ACTG,ADIG,ADTN,ADUR,ADUS,AER,AESI,AEXA,AFCG,AGEN,AGI,AGIO,AGL,AGNT,AGYS,AHRT,AIFC,AIFU,AIP,AIRJ,AIRO,AIRS,AKBA,ALC,ALDX,ALEC,ALGT,ALH,ALKS,ALKT,ALLO,ALLT,ALMS,ALNY,ALT,ALTI,ALTO,AMAL,AMBA,AMBQ,AMCX,AMPG,AMPL,AMPY,AMR,AMRC,AMRZ,AMTM,AMTX,ANAB,ANGI,ANGO,ANGX,ANIK,ANIP,ANIX,ANNX,ANRO,ANVS,AOSL,APEI,APLE,APOG,ARAY,ARCO,ARDT,ARDX,AREC,ARIS,ARLO,AROC,AROW,ARQ,ARTV,ARX,ARXS,ASAN,ASC,ASLE,ASMB,ASO,ASPN,ASTE,ASTH,ASTI,ASTL,ASUR,ASYS,ATEC,ATEN,ATLO,ATNI,ATRC,ATRO,AU,AUDC,AUGO,AUPH,AVAH,AVBC,AVPT,AVR,AWI,AWR,AWRE,AXGN,AXSM,AYA,AZ,BANC,BAND,BANF,BBD,BBVA,BCPC,BCSF,BKKT,BLZE,BMI,BMO,BMRC,BNS,BSBR,BUSE,CENN,COLD,CUE,DDD,DOX,DRTS,EZPW,FAC,FATE,FBIO,FBNC,FCBC,FDMT,FDXF,FELE,FER,FERG,FFBC,FHTX,FIRY,FISI,FLD,FLL,FLNA,FLNG,FLOC,FLUT,FLWS,FLY,FMAO,FMBH,FMNB,FNLC,FORM,FORR,FOSL,FPH,FRHC,FSBC,FSTR,FSUN,FSV,FTRE,FWDI,FWRG,GDYN,GFI,GH,GLBS,GLOO,GPI,GPRE,GRBK,GRDN,GSBC,GSIT,GTN,HAFN,HAPN,HASI,HAWK,HBM,HBNC,HBT,HCSG,HDB,HDSN,HE,HEI,HELP,HESM,HHH,HITI,HLF,HMY,HNGE,HNRG,HNST,HONA,HOS,HPK,HPP,HRI,HROW,HRZN,HSBC,HTFL,HTGC,HTT,HUBG,HUCK,HUMA,HUN,HY,IA,IART,ICHR,ICL,ICLR,IDYA,IESC,IGIC,IIPR,IMMX,IMNM,IMPP,IMTX,IMUX,IMVT,IMXI,INBK,INBX,ING,INGN,INIO,INMB,INMD,INOD,INR,INSE,INSM,INSP,INV,INVE,INVX,IOND,IONS,IPWR,IRLA,IRMD,IRTC,IRWD,IVR,IVVD,LFWD,MT,NTLA,PI,RAIL,RCEL,RCUS,SBC,SEV,SPRY,SRCE,THFF,TKNO,TRAX,TXG

TSEM

Daily option chain

Daily open interest

vs Oct 21, 2026

Saved stock price: $166.54 · Expirations before Oct 23, 2026 hidden automatically.

ITM In the money Unshaded: out of the money ATM Strike equals stock price Based on the saved stock price
1,456 contracts / 13 expirationsClick OI for history
Oct 23, 2026EXPIRATION128 contracts / 64 strikes
SAVED STOCK PRICE$166.54Nearest ATM strike $167.50
Jump to ATM
TSEM option chain expiring 2026-10-23, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0 0New 0.00% 272.50 0 0In the money 0New 0.00%
148 148 0 0.00% 275.00 0 0In the money 0New 0.00%
1 0 -1 0.00% 277.50 0 0In the money 0New 0.00%
7 7 0 0.00% 280.00 0 0In the money 0New 0.00%
0 0 0New 0.00% 282.50 0 0In the money 0New 0.00%
5 5 0 0.00% 285.00 0 0In the money 0New 0.00%
10 10 0 0.00% 290.00 0 0In the money 0New 0.00%
1 1 0 0.00% 295.00 0 0In the money 0New 0.00%
8 8 0 0.00% 300.00 0 0In the money 0New 0.00%
25 25 0 0.00% 305.00 0 0In the money 0New 0.00%
23 23 0 0.00% 310.00 0 0In the money 0New 0.00%
7 7 0 0.00% 315.00 0 0In the money 0New 0.00%
5 5 0 0.00% 320.00 0 0In the money 0New 0.00%
3 3 0 0.00% 330.00 0 0In the money 0New 0.00%
Showing strikes 51–64 of 64
Oct 30, 2026EXPIRATION138 contracts / 69 strikes
SAVED STOCK PRICE$166.54Nearest ATM strike $167.50
Jump to ATM
TSEM option chain expiring 2026-10-30, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 179.10% 120.00 0 17 +17New 106.19%
0 0In the money 0New 161.47% 125.00 0 56 +56New 138.31%
0 0In the money 0New 154.16% 130.00 4 20 +16 126.37%
0 0In the money 0New 138.82% 135.00 5 5 0 115.45%
1 1In the money 0 129.08% 140.00 28 46 +18 130.15%
0 0In the money 0New 120.75% 144.00 0 0 0New 116.70%
0 0In the money 0New 119.54% 145.00 4 15 +11 103.92%
0 0In the money 0New 118.20% 146.00 0 0 0New 115.22%
0 0In the money 0New 113.67% 147.00 0 0 0New 119.63%
0 0In the money 0New 114.47% 148.00 0 0 0New 102.31%
0 0In the money 0New 113.57% 149.00 0 0 0New 80.50%
0 0In the money 0New 111.82% 150.00 31 71 +40 89.97%
0 0In the money 0New 110.66% 152.50 0 0 0New 109.22%
0 0In the money 0New 91.30% 155.00 51 74 +23 89.90%
0 0In the money 0New 98.85% 157.50 0 0 0New 98.17%
2 2In the money 0 88.25% 160.00 7 8,019 +8,012 94.51%
0 0In the money 0New 98.82% 162.50 0 0 0New 86.57%
0 10In the money +10New 87.04% 165.00 458 426 -32 89.66%
STOCK PRICE $166.54
0 1 +1New 98.95% 167.50NEAREST ATM 0 7In the money +7New 89.23%
0 6 +6New 87.63% 170.00 7,043 7,046In the money +3 88.60%
0 0 0New 93.38% 172.50 0 0In the money 0New 81.21%
0 13 +13New 91.49% 175.00 16 20In the money +4 83.41%
60 60 0 87.69% 177.50 12 2In the money -10 78.47%
5 500 +495 90.98% 180.00 1,304 1,304In the money 0 84.48%
0 15 +15New 90.57% 182.50 0 0In the money 0New 74.55%
1 3 +2 88.24% 185.00 110 109In the money -1 71.20%
10 7 -3 88.66% 187.50 0 1In the money +1New 74.29%
8 9 +1 91.46% 190.00 8,100 8,088In the money -12 73.48%
8 10 +2 113.26% 192.50 5 5In the money 0 60.20%
1 4 +3 91.92% 195.00 13 13In the money 0 0.00%
0 1 +1New 104.60% 197.50 2 2In the money 0 0.00%
11 17 +6 88.54% 200.00 601 601In the money 0 0.00%
6 8 +2 97.88% 202.50 8 17In the money +9 0.00%
10 18 +8 112.84% 205.00 41 38In the money -3 0.00%
3 11 +8 134.06% 207.50 4 4In the money 0 0.00%
16 22 +6 122.08% 210.00 1,019 1,016In the money -3 0.00%
2 8 +6 146.15% 212.50 1 1In the money 0 0.00%
8 17 +9 120.98% 215.00 12 12In the money 0 0.00%
0 0 0New 140.60% 217.50 4 1In the money -3 0.00%
112 113 +1 140.02% 220.00 10 7In the money -3 0.00%
0 0 0New 159.25% 222.50 0 0In the money 0New 0.00%
14 13 -1 96.77% 225.00 37 37In the money 0 0.00%
7 7 0 140.65% 227.50 0 0In the money 0New 0.00%
29 29 0 145.96% 230.00 20 7In the money -13 0.00%
10 0 -10 166.41% 232.50 0 0In the money 0New 0.00%
20 20 0 167.69% 235.00 8 3In the money -5 0.00%
4 4 0 151.71% 237.50 0 0In the money 0New 0.00%
7,014 7,013 -1 125.71% 240.00 16 1In the money -15 0.00%
1 1 0 181.44% 242.50 0 0In the money 0New 0.00%
5,013 5,013 0 197.44% 245.00 5 0In the money -5 0.00%
Showing strikes 1–50 of 69
Nov 06, 2026EXPIRATION172 contracts / 86 strikes
SAVED STOCK PRICE$166.54Nearest ATM strike $167.50
Jump to ATM
TSEM option chain expiring 2026-11-06, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 143.74% 120.00 0 9 +9New 113.16%
0 0In the money 0New 142.48% 124.00 0 0 0New 143.38%
0 0In the money 0New 138.11% 125.00 0 1 +1New 137.88%
0 0In the money 0New 138.35% 126.00 0 0 0New 137.40%
0 0In the money 0New 137.01% 127.00 0 0 0New 134.62%
0 0In the money 0New 137.76% 128.00 0 0 0New 133.32%
0 0In the money 0New 132.80% 129.00 0 0 0New 125.06%
0 0In the money 0New 111.99% 130.00 0 0 0New 121.26%
0 0In the money 0New 129.24% 131.00 0 0 0New 126.08%
0 0In the money 0New 131.69% 132.00 0 0 0New 123.68%
0 0In the money 0New 132.61% 133.00 0 0 0New 121.60%
0 0In the money 0New 130.32% 134.00 0 0 0New 129.11%
0 0In the money 0New 128.62% 135.00 0 0 0New 118.06%
0 0In the money 0New 128.08% 136.00 0 0 0New 128.14%
0 0In the money 0New 125.72% 137.00 0 0 0New 117.53%
0 0In the money 0New 127.88% 138.00 0 0 0New 120.02%
0 0In the money 0New 126.54% 139.00 0 0 0New 117.15%
0 0In the money 0New 126.24% 140.00 2 2 0 110.57%
0 0In the money 0New 123.73% 141.00 0 0 0New 99.00%
0 0In the money 0New 121.22% 142.00 0 0 0New 120.85%
0 0In the money 0New 122.27% 143.00 0 0 0New 111.32%
0 0In the money 0New 121.68% 144.00 0 0 0New 115.33%
0 0In the money 0New 121.02% 145.00 3 3 0 106.74%
0 0In the money 0New 118.85% 146.00 0 0 0New 112.25%
0 0In the money 0New 119.95% 147.00 0 0 0New 109.20%
0 0In the money 0New 119.07% 148.00 0 0 0New 108.04%
0 0In the money 0New 119.03% 149.00 0 0 0New 103.06%
0 0In the money 0New 114.40% 150.00 2 2 0 102.31%
0 0In the money 0New 114.07% 152.50 0 0 0New 110.85%
0 0In the money 0New 114.02% 155.00 7 16 +9 102.92%
0 0In the money 0New 109.73% 157.50 0 0 0New 101.43%
0 0In the money 0New 112.26% 160.00 13 15 +2 110.58%
0 0In the money 0New 109.84% 162.50 0 0 0New 102.35%
0 0In the money 0New 105.42% 165.00 46 55 +9 105.76%
STOCK PRICE $166.54
0 0 0New 105.13% 167.50NEAREST ATM 0 0In the money 0New 110.44%
0 0 0New 104.30% 170.00 43 68In the money +25 105.04%
0 1 +1New 100.28% 172.50 0 0In the money 0New 104.84%
0 0 0New 109.11% 175.00 107 108In the money +1 104.12%
0 0 0New 103.26% 177.50 1 3In the money +2 103.66%
3 3 0 105.04% 180.00 42 45In the money +3 103.07%
140 140 0 108.79% 182.50 221 221In the money 0 98.74%
45 47 +2 99.91% 185.00 59 59In the money 0 96.98%
1 11 +10 101.97% 187.50 0 1In the money +1New 98.54%
6 186 +180 108.03% 190.00 201 203In the money +2 99.72%
2 2 0 95.37% 192.50 0 0In the money 0New 94.86%
1 1 0 99.96% 195.00 36 36In the money 0 95.52%
0 0 0New 108.29% 197.50 0 0In the money 0New 89.81%
0 0 0New 100.26% 200.00 16 19In the money +3 96.13%
0 0 0New 96.22% 202.50 0 0In the money 0New 94.31%
140 140 0 96.15% 205.00 57 57In the money 0 91.72%
Showing strikes 1–50 of 86
Nov 13, 2026EXPIRATION88 contracts / 44 strikes
SAVED STOCK PRICE$166.54Nearest ATM strike $165.00
Jump to ATM
TSEM option chain expiring 2026-11-13, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 123.11% 120.00 0 0 0New 120.37%
0 0In the money 0New 118.43% 125.00 0 0 0New 113.05%
20 20In the money 0 116.09% 130.00 0 0 0New 109.33%
20 20In the money 0 112.83% 135.00 1 1 0 96.30%
0 0In the money 0New 109.23% 140.00 1 3 +2 96.90%
0 0In the money 0New 109.94% 145.00 0 30 +30New 98.58%
0 0In the money 0New 105.19% 150.00 0 30 +30New 94.75%
0 0In the money 0New 103.11% 155.00 2 2 0 97.91%
0 0In the money 0New 97.31% 160.00 4 6 +2 97.94%
0 0In the money 0New 97.55% 165.00NEAREST ATM 0 3 +3New 97.26%
STOCK PRICE $166.54
0 0 0New 96.81% 170.00 13 14In the money +1 96.57%
0 0 0New 96.43% 175.00 9 9In the money 0 95.92%
1 4 +3 94.24% 180.00 6 6In the money 0 95.66%
0 2 +2New 97.72% 185.00 11 10In the money -1 95.28%
0 0 0New 91.87% 190.00 3 3In the money 0 89.98%
0 3 +3New 92.44% 195.00 4 4In the money 0 90.06%
0 0 0New 89.61% 200.00 12 12In the money 0 90.41%
2 2 0 90.85% 205.00 2 2In the money 0 84.89%
6 6 0 92.30% 210.00 3 3In the money 0 86.04%
0 0 0New 92.62% 215.00 2 2In the money 0 81.13%
1 3 +2 92.47% 220.00 1 1In the money 0 78.86%
2 3 +1 103.90% 225.00 2 2In the money 0 79.94%
3 3 0 107.84% 230.00 1 1In the money 0 71.45%
0 0 0New 112.11% 235.00 1 1In the money 0 0.00%
23 26 +3 115.58% 240.00 1 1In the money 0 65.91%
2 2 0 120.70% 245.00 0 0In the money 0New 0.00%
10 10 0 124.44% 250.00 0 0In the money 0New 0.00%
9 12 +3 128.01% 255.00 0 0In the money 0New 0.00%
8 8 0 132.10% 260.00 0 0In the money 0New 0.00%
2 4 +2 136.07% 265.00 0 0In the money 0New 0.00%
2 2 0 139.93% 270.00 1 1In the money 0 0.00%
1 1 0 143.69% 275.00 0 0In the money 0New 0.00%
17 17 0 147.35% 280.00 0 0In the money 0New 0.00%
4 4 0 150.92% 285.00 0 0In the money 0New 0.00%
4 4 0 154.39% 290.00 0 0In the money 0New 0.00%
4 4 0 157.78% 295.00 0 0In the money 0New 0.00%
7 9 +2 161.10% 300.00 0 0In the money 0New 0.00%
1 1 0 164.34% 305.00 0 0In the money 0New 0.00%
1 1 0 167.50% 310.00 0 0In the money 0New 0.00%
1 1 0 158.05% 315.00 0 0In the money 0New 0.00%
18 18 0 173.62% 320.00 0 0In the money 0New 0.00%
0 1 +1New 179.49% 330.00 0 0In the money 0New 0.00%
1 2 +1 184.33% 340.00 0 0In the money 0New 0.00%
4 4 0 189.73% 350.00 0 0In the money 0New 0.00%
Nov 20, 2026EXPIRATION104 contracts / 52 strikes
SAVED STOCK PRICE$166.54Nearest ATM strike $165.00
Jump to ATM
TSEM option chain expiring 2026-11-20, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 123.16% 115.00 0 0 0New 119.56%
0 0In the money 0New 116.30% 120.00 0 0 0New 112.65%
0 0In the money 0New 112.64% 125.00 14 199 +185 97.81%
0 0In the money 0New 109.89% 130.00 29 22 -7 96.55%
0 0In the money 0New 107.31% 135.00 35 33 -2 94.50%
0 0In the money 0New 105.48% 140.00 52 55 +3 94.42%
0 0In the money 0New 101.52% 145.00 29 90 +61 93.11%
0 0In the money 0New 100.41% 150.00 36 91 +55 92.05%
0 1In the money +1New 97.79% 155.00 24 30 +6 91.44%
12 12In the money 0 95.79% 160.00 59 60 +1 91.52%
4 11In the money +7 93.74% 165.00NEAREST ATM 69 69 0 91.30%
STOCK PRICE $166.54
5 5 0 94.59% 170.00 67 103In the money +36 90.90%
5 5 0 92.90% 175.00 161 161In the money 0 86.01%
0 0 0New 91.08% 177.50 0 1In the money +1New 89.63%
8 8 0 91.97% 180.00 378 380In the money +2 88.88%
0 0 0New 89.55% 182.50 0 0In the money 0New 89.23%
10 17 +7 93.27% 185.00 203 201In the money -2 91.28%
1 1 0 89.69% 187.50 0 1In the money +1New 87.68%
11 11 0 91.85% 190.00 326 310In the money -16 87.78%
0 0 0New 89.12% 192.50 0 0In the money 0New 87.32%
19 19 0 91.47% 195.00 52 52In the money 0 86.88%
0 0 0New 88.05% 197.50 0 1In the money +1New 85.52%
20 22 +2 90.99% 200.00 367 341In the money -26 84.80%
0 0 0New 88.20% 202.50 0 0In the money 0New 83.08%
0 0 0New 90.87% 205.00 0 0In the money 0New 81.68%
0 1 +1New 87.41% 207.50 0 0In the money 0New 81.45%
23 24 +1 88.70% 210.00 147 147In the money 0 81.35%
1 1 0 87.92% 212.50 0 0In the money 0New 82.72%
1 1 0 87.48% 215.00 0 0In the money 0New 78.01%
0 0 0New 86.78% 217.50 0 0In the money 0New 80.41%
43 44 +1 88.07% 220.00 65 70In the money +5 79.15%
0 0 0New 87.87% 222.50 0 0In the money 0New 79.75%
6 15 +9 90.85% 225.00 0 0In the money 0New 78.36%
119 121 +2 89.70% 230.00 27 27In the money 0 73.76%
3 3 0 90.18% 235.00 0 0In the money 0New 71.58%
1,113 1,115 +2 92.26% 240.00 89 89In the money 0 65.57%
1 1 0 93.72% 245.00 0 0In the money 0New 0.00%
129 132 +3 89.43% 250.00 39 39In the money 0 0.00%
366 366 0 93.68% 260.00 169 169In the money 0 0.00%
205 123 -82 93.32% 270.00 7 7In the money 0 0.00%
226 226 0 96.23% 280.00 24 24In the money 0 0.00%
76 76 0 98.39% 290.00 7 6In the money -1 0.00%
15 15 0 107.05% 300.00 0 0In the money 0New 0.00%
54 54 0 103.18% 310.00 0 0In the money 0New 0.00%
32 32 0 119.21% 320.00 0 0In the money 0New 0.00%
9 10 +1 110.51% 330.00 0 0In the money 0New 0.00%
35 35 0 111.99% 340.00 0 0In the money 0New 0.00%
0 0 0New 120.59% 350.00 0 0In the money 0New 0.00%
11 11 0 117.96% 360.00 0 0In the money 0New 0.00%
0 0 0New 126.76% 370.00 0 0In the money 0New 0.00%
Showing strikes 1–50 of 52
Nov 27, 2026EXPIRATION88 contracts / 44 strikes
SAVED STOCK PRICE$166.54Nearest ATM strike $165.00
Jump to ATM
TSEM option chain expiring 2026-11-27, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 112.69% 120.00 0 0 0New 98.31%
0 0In the money 0New 109.40% 125.00 0 0 0New 95.02%
0 0In the money 0New 104.64% 130.00 1 1 0 97.80%
0 0In the money 0New 101.46% 135.00 5 25 +20 97.13%
0 0In the money 0New 101.94% 140.00 0 5 +5New 93.65%
0 0In the money 0New 98.81% 145.00 1 1 0 93.29%
0 0In the money 0New 98.76% 150.00 0 0 0New 92.57%
0 0In the money 0New 95.24% 155.00 2 22 +20 92.59%
0 0In the money 0New 92.95% 160.00 3 3 0 90.48%
0 0In the money 0New 94.43% 165.00NEAREST ATM 2 3 +1 90.12%
STOCK PRICE $166.54
0 0 0New 92.43% 170.00 6 6In the money 0 89.45%
0 1 +1New 89.74% 175.00 8 8In the money 0 85.61%
0 0 0New 89.99% 180.00 9 9In the money 0 84.90%
2 2 0 89.36% 185.00 7 7In the money 0 84.94%
5 6 +1 89.35% 190.00 10 10In the money 0 82.76%
0 2 +2New 88.78% 195.00 1 4In the money +3 82.47%
0 2 +2New 88.73% 200.00 1 1In the money 0 81.25%
0 0 0New 88.50% 205.00 13 13In the money 0 81.49%
0 0 0New 88.73% 210.00 6 7In the money +1 81.57%
0 0 0New 88.62% 215.00 2 2In the money 0 80.87%
0 0 0New 89.90% 220.00 2 2In the money 0 78.36%
2 2 0 89.24% 225.00 1 1In the money 0 72.11%
5 5 0 89.86% 230.00 1 1In the money 0 74.77%
1 1 0 92.12% 235.00 0 0In the money 0New 74.62%
7 7 0 95.01% 240.00 1 1In the money 0 65.05%
0 0 0New 94.99% 245.00 0 0In the money 0New 90.01%
6 6 0 97.93% 250.00 0 2In the money +2New 0.00%
2 2 0 101.25% 255.00 0 0In the money 0New 0.00%
0 0 0New 103.46% 260.00 0 0In the money 0New 0.00%
0 0 0New 106.31% 265.00 0 0In the money 0New 0.00%
0 0 0New 109.33% 270.00 0 0In the money 0New 0.00%
0 0 0New 111.46% 275.00 0 0In the money 0New 0.00%
53 53 0 114.31% 280.00 0 0In the money 0New 0.00%
0 0 0New 117.09% 285.00 0 0In the money 0New 0.00%
0 0 0New 119.80% 290.00 0 0In the money 0New 0.00%
0 0 0New 122.44% 295.00 1 1In the money 0 0.00%
0 0 0New 124.44% 300.00 0 0In the money 0New 0.00%
0 1 +1New 105.22% 305.00 0 0In the money 0New 0.00%
0 0 0New 128.81% 310.00 0 0In the money 0New 0.00%
0 0 0New 131.21% 315.00 0 0In the money 0New 0.00%
0 0 0New 133.56% 320.00 0 0In the money 0New 0.00%
0 0 0New 129.30% 330.00 0 0In the money 0New 0.00%
1 1 0 119.18% 340.00 0 0In the money 0New 0.00%
1 1 0 121.83% 350.00 0 0In the money 0New 0.00%
Dec 04, 2026EXPIRATION62 contracts / 31 strikes
SAVED STOCK PRICE$166.54Nearest ATM strike $165.00
Jump to ATM
TSEM option chain expiring 2026-12-04, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 104.73% 120.00 0 0 0New 95.43%
0 0In the money 0New 92.32% 125.00 0 0 0New 94.98%
0 0In the money 0New 99.10% 130.00 0 0 0New 91.24%
0 0In the money 0New 97.76% 135.00 0 0 0New 91.42%
0 0In the money 0New 96.10% 140.00 0 0 0New 93.26%
0 0In the money 0New 95.19% 145.00 0 0 0New 89.45%
0 0In the money 0New 93.88% 150.00 0 0 0New 89.57%
0 0In the money 0New 92.20% 155.00 0 0 0New 89.14%
0 0In the money 0New 90.64% 160.00 0 0 0New 83.61%
0 0In the money 0New 89.62% 165.00NEAREST ATM 0 0 0New 87.12%
STOCK PRICE $166.54
0 0 0New 89.11% 170.00 0 0In the money 0New 86.48%
0 0 0New 87.33% 175.00 0 0In the money 0New 85.22%
0 0 0New 86.52% 180.00 0 0In the money 0New 84.89%
0 0 0New 85.82% 185.00 0 0In the money 0New 81.02%
0 1 +1New 85.49% 190.00 0 0In the money 0New 79.90%
0 0 0New 85.86% 195.00 0 0In the money 0New 80.33%
0 1 +1New 86.29% 200.00 0 0In the money 0New 80.57%
0 0 0New 86.62% 205.00 0 0In the money 0New 81.69%
0 0 0New 87.43% 210.00 0 0In the money 0New 78.85%
0 0 0New 86.60% 215.00 0 0In the money 0New 78.58%
0 0 0New 88.09% 220.00 0 0In the money 0New 79.63%
0 0 0New 88.58% 225.00 0 0In the money 0New 80.18%
0 0 0New 89.28% 230.00 0 0In the money 0New 72.53%
0 0 0New 89.59% 235.00 0 0In the money 0New 76.92%
0 0 0New 90.22% 240.00 0 0In the money 0New 76.20%
0 0 0New 91.27% 245.00 0 0In the money 0New 75.81%
0 0 0New 92.88% 250.00 0 0In the money 0New 66.68%
0 0 0New 93.41% 255.00 0 0In the money 0New 0.00%
0 0 0New 95.70% 260.00 0 0In the money 0New 0.00%
0 0 0New 101.01% 265.00 0 0In the money 0New 0.00%
0 0 0New 103.16% 270.00 0 0In the money 0New 0.00%
Dec 18, 2026EXPIRATION66 contracts / 33 strikes
SAVED STOCK PRICE$166.54Nearest ATM strike $165.00
Jump to ATM
TSEM option chain expiring 2026-12-18, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 107.14% 105.00 0 0 0New 97.10%
0 0In the money 0New 101.63% 110.00 0 0 0New 91.87%
0 0In the money 0New 98.74% 115.00 0 72 +72New 90.17%
0 0In the money 0New 97.39% 120.00 2 4 +2 90.41%
0 0In the money 0New 95.26% 125.00 0 0 0New 85.60%
0 0In the money 0New 93.64% 130.00 4 5 +1 86.24%
0 0In the money 0New 92.90% 135.00 2 3 +1 86.54%
0 0In the money 0New 89.44% 140.00 4 4 0 85.11%
0 0In the money 0New 90.56% 145.00 2 2 0 84.35%
0 0In the money 0New 89.66% 150.00 5 5 0 84.32%
0 0In the money 0New 87.67% 155.00 1 3 +2 83.69%
0 0In the money 0New 85.87% 160.00 5 6 +1 83.72%
0 4In the money +4New 84.83% 165.00NEAREST ATM 0 0 0New 83.40%
STOCK PRICE $166.54
1 1 0 83.53% 170.00 44 43In the money -1 83.16%
1 1 0 82.98% 175.00 2 3In the money +1 82.63%
18 24 +6 83.28% 180.00 13 13In the money 0 78.95%
16 21 +5 81.82% 185.00 13 13In the money 0 78.72%
0 3 +3New 81.12% 190.00 1 1In the money 0 80.37%
1 3 +2 80.82% 195.00 3 3In the money 0 80.10%
17 16 -1 80.80% 200.00 2 2In the money 0 77.12%
108 109 +1 79.39% 210.00 0 2In the money +2New 78.15%
18 22 +4 81.09% 220.00 1 2In the money +1 76.69%
11 12 +1 82.12% 230.00 1 1In the money 0 75.94%
16 17 +1 78.78% 240.00 0 0In the money 0New 74.98%
13 21 +8 79.94% 250.00 1 1In the money 0 73.17%
16 47 +31 79.32% 260.00 0 0In the money 0New 64.61%
1 1 0 80.48% 270.00 0 0In the money 0New 0.00%
2 27 +25 80.18% 280.00 0 0In the money 0New 0.00%
0 0 0New 81.82% 290.00 0 0In the money 0New 0.00%
7 9 +2 81.43% 300.00 0 0In the money 0New 0.00%
0 0 0New 82.92% 310.00 0 0In the money 0New 0.00%
4 8 +4 82.98% 320.00 0 0In the money 0New 0.00%
0 1 +1New 110.24% 330.00 0 0In the money 0New 0.00%
Jan 15, 2027EXPIRATION156 contracts / 78 strikes
SAVED STOCK PRICE$166.54Nearest ATM strike $165.00
Jump to ATM
TSEM option chain expiring 2027-01-15, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
56 56In the money 0 265.88% 20.00 505 505 0 185.04%
20 20In the money 0 246.02% 23.00 2 2 0 255.93%
5 5In the money 0 238.34% 25.00 13 13 0 161.00%
2 2In the money 0 222.58% 28.00 31 31 0 164.98%
9 9In the money 0 213.13% 30.00 6 6 0 206.70%
3 3In the money 0 200.23% 33.00 6 6 0 211.35%
12 12In the money 0 189.02% 35.00 10 10 0 184.72%
20 20In the money 0 184.52% 38.00 7 7 0 187.02%
19 19In the money 0 180.56% 40.00 7 7 0 178.62%
42 42In the money 0 171.26% 42.00 5 5 0 156.89%
23 23In the money 0 140.10% 45.00 1 1 0 132.02%
28 28In the money 0 132.47% 47.00 5 5 0 129.18%
79 79In the money 0 142.98% 50.00 34 34 0 123.21%
2 2In the money 0 144.74% 52.50 0 0 0New 119.69%
278 278In the money 0 121.40% 55.00 0 0 0New 115.18%
0 0In the money 0New 135.27% 57.50 5 5 0 111.94%
83 81In the money -2 114.11% 60.00 25 25 0 99.61%
0 0In the money 0New 128.59% 62.50 3 3 0 105.69%
28 28In the money 0 125.35% 65.00 4 4 0 102.68%
3 3In the money 0 120.39% 67.50 3 3 0 102.75%
12 12In the money 0 119.05% 70.00 9 9 0 96.87%
2 2In the money 0 114.40% 72.50 9 9 0 96.09%
110 110In the money 0 84.99% 75.00 10 10 0 95.02%
244 244In the money 0 104.35% 80.00 5 5 0 90.34%
13 13In the money 0 103.81% 85.00 10 26 +16 90.68%
1 1In the money 0 100.92% 87.50 11 19 +8 89.55%
31 31In the money 0 100.18% 90.00 8 8 0 91.72%
0 0In the money 0New 98.28% 92.50 17 17 0 89.21%
59 59In the money 0 97.24% 95.00 2 2 0 87.54%
0 0In the money 0New 96.06% 97.50 13 14 +1 86.81%
41 50In the money +9 93.13% 100.00 29 29 0 86.12%
7 17In the money +10 94.00% 105.00 119 119 0 85.20%
28 28In the money 0 89.92% 110.00 45 48 +3 85.40%
6 6In the money 0 89.25% 115.00 28 29 +1 84.62%
225 225In the money 0 80.59% 120.00 91 92 +1 83.95%
26 26In the money 0 87.40% 125.00 39 39 0 82.58%
31 31In the money 0 86.27% 130.00 140 141 +1 82.25%
34 34In the money 0 85.23% 135.00 74 84 +10 81.46%
659 659In the money 0 84.04% 140.00 654 655 +1 80.86%
344 344In the money 0 83.48% 145.00 99 101 +2 80.61%
336 336In the money 0 81.67% 150.00 287 4,164 +3,877 80.29%
50 50In the money 0 81.15% 155.00 66 68 +2 79.94%
69 69In the money 0 80.78% 160.00 163 165 +2 79.87%
38 38In the money 0 79.75% 165.00NEAREST ATM 309 307 -2 79.45%
STOCK PRICE $166.54
38 37 -1 81.14% 170.00 102 102In the money 0 78.38%
5 5 0 78.57% 175.00 469 470In the money +1 78.12%
112 114 +2 78.72% 180.00 86 87In the money +1 78.81%
22 22 0 77.82% 185.00 95 96In the money +1 78.44%
137 4,081 +3,944 77.77% 190.00 254 254In the money 0 77.80%
47 47 0 77.48% 195.00 49 44In the money -5 77.07%
Showing strikes 1–50 of 78
Apr 16, 2027EXPIRATION82 contracts / 41 strikes
SAVED STOCK PRICE$166.54Nearest ATM strike $165.00
Jump to ATM
TSEM option chain expiring 2027-04-16, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 84.83% 95.00 0 0 0New 80.61%
0 0In the money 0New 83.70% 100.00 0 0 0New 80.02%
0 0In the money 0New 82.83% 105.00 0 1 +1New 81.16%
0 0In the money 0New 81.77% 110.00 9 10 +1 80.61%
0 0In the money 0New 81.09% 115.00 3 4 +1 79.82%
0 0In the money 0New 81.03% 120.00 2 2 0 79.67%
0 0In the money 0New 80.26% 125.00 19 24 +5 79.41%
0 0In the money 0New 80.05% 130.00 3 3 0 78.93%
0 0In the money 0New 78.67% 135.00 0 3 +3New 78.95%
0 0In the money 0New 78.84% 140.00 7 7 0 76.90%
0 0In the money 0New 78.24% 145.00 0 0 0New 76.45%
3 3In the money 0 77.13% 150.00 37 38 +1 76.34%
0 0In the money 0New 78.44% 155.00 9 10 +1 75.93%
8 8In the money 0 77.42% 160.00 3 4 +1 77.46%
1 2In the money +1 76.88% 165.00NEAREST ATM 76 76 0 77.19%
STOCK PRICE $166.54
2 2 0 77.01% 170.00 8 8In the money 0 77.01%
0 0 0New 75.69% 175.00 46 76In the money +30 74.93%
2 2 0 75.71% 180.00 5 8In the money +3 76.19%
0 0 0New 75.09% 185.00 8 8In the money 0 76.22%
3 3 0 75.79% 190.00 17 17In the money 0 76.37%
103 107 +4 75.00% 195.00 52 52In the money 0 75.34%
85 85 0 75.54% 200.00 12 12In the money 0 75.98%
18 17 -1 74.26% 210.00 44 44In the money 0 75.62%
10 17 +7 75.19% 220.00 26 26In the money 0 75.02%
1 2 +1 73.99% 230.00 24 24In the money 0 74.79%
22 35 +13 73.45% 240.00 17 17In the money 0 73.58%
40 40 0 73.58% 250.00 47 47In the money 0 74.10%
12 12 0 73.51% 260.00 1 1In the money 0 73.50%
25 25 0 72.72% 270.00 0 0In the money 0New 73.54%
35 38 +3 72.28% 280.00 0 0In the money 0New 73.55%
4 4 0 71.84% 290.00 1 1In the money 0 72.00%
28 29 +1 72.41% 300.00 1 1In the money 0 73.09%
7 7 0 74.02% 310.00 0 0In the money 0New 73.05%
152 152 0 73.77% 320.00 0 0In the money 0New 71.96%
3 4 +1 74.29% 330.00 0 0In the money 0New 71.68%
4 4 0 74.02% 340.00 0 0In the money 0New 69.71%
3 4 +1 73.87% 350.00 0 0In the money 0New 66.84%
24 24 0 74.33% 360.00 0 0In the money 0New 0.00%
1 1 0 76.20% 370.00 0 0In the money 0New 0.00%
7 26 +19 74.72% 380.00 2 2In the money 0 0.00%
0 0 0New 74.90% 390.00 0 0In the money 0New 0.00%
Dec 17, 2027EXPIRATION154 contracts / 77 strikes
SAVED STOCK PRICE$166.54Nearest ATM strike $165.00
Jump to ATM
TSEM option chain expiring 2027-12-17, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
10 10In the money 0 0.00% 23.00 13 13 0 162.56%
1 1In the money 0 0.00% 25.00 0 0 0New 154.89%
0 0In the money 0New 0.00% 28.00 1 1 0 144.86%
0 0In the money 0New 0.00% 30.00 1 1 0 84.10%
1 1In the money 0 0.00% 33.00 0 0 0New 85.50%
0 0In the money 0New 69.30% 35.00 61 61 0 86.38%
0 0In the money 0New 60.95% 38.00 4 4 0 119.66%
1 1In the money 0 50.40% 40.00 1 1 0 117.26%
0 0In the money 0New 74.74% 42.00 0 0 0New 113.25%
4 4In the money 0 85.48% 45.00 49 49 0 107.43%
27 27In the money 0 84.13% 47.00 0 0 0New 103.34%
47 47In the money 0 85.48% 50.00 78 78 0 83.62%
12 12In the money 0 74.02% 52.50 0 0 0New 95.88%
34 34In the money 0 75.56% 55.00 21 21 0 73.51%
1 1In the money 0 83.85% 57.50 7 7 0 82.25%
21 21In the money 0 82.73% 60.00 29 29 0 81.96%
0 0In the money 0New 82.36% 62.50 60 60 0 72.88%
4 4In the money 0 81.40% 65.00 27 28 +1 76.23%
2 2In the money 0 80.40% 67.50 66 66 0 82.13%
4 4In the money 0 79.60% 70.00 19 19 0 80.83%
3 3In the money 0 79.99% 72.50 134 134 0 79.43%
3 3In the money 0 81.19% 75.00 101 101 0 74.85%
13 13In the money 0 78.35% 80.00 10 10 0 74.58%
12 12In the money 0 78.19% 85.00 15 15 0 76.24%
0 0In the money 0New 77.98% 87.50 40 40 0 80.14%
4 4In the money 0 78.30% 90.00 7 7 0 76.92%
0 0In the money 0New 78.08% 92.50 56 56 0 74.25%
2 2In the money 0 78.07% 95.00 14 14 0 75.82%
0 0In the money 0New 78.26% 97.50 13 13 0 75.60%
15 15In the money 0 77.84% 100.00 62 62 0 76.85%
42 42In the money 0 73.99% 105.00 56 56 0 74.13%
0 0In the money 0New 76.96% 110.00 42 42 0 77.57%
3 3In the money 0 77.23% 115.00 39 39 0 76.99%
5 5In the money 0 76.23% 120.00 0 0 0New 76.26%
2 2In the money 0 76.12% 125.00 111 111 0 74.13%
1 1In the money 0 75.85% 130.00 17 17 0 73.76%
5 5In the money 0 76.26% 135.00 45 45 0 75.87%
1 1In the money 0 75.78% 140.00 36 36 0 76.28%
26 26In the money 0 75.44% 145.00 28 28 0 75.07%
9 9In the money 0 74.49% 150.00 25 31 +6 75.94%
1 1In the money 0 74.44% 155.00 379 379 0 74.53%
34 34In the money 0 74.27% 160.00 381 382 +1 75.36%
2 2In the money 0 74.08% 165.00NEAREST ATM 89 89 0 73.71%
STOCK PRICE $166.54
0 0 0New 75.72% 170.00 10 10In the money 0 75.60%
15 15 0 74.85% 175.00 4 4In the money 0 75.44%
25 25 0 74.06% 180.00 37 37In the money 0 75.40%
1 2 +1 74.10% 185.00 7 7In the money 0 74.24%
12 13 +1 74.63% 190.00 109 109In the money 0 73.89%
25 25 0 74.06% 195.00 31 31In the money 0 75.20%
80 73 -7 74.64% 200.00 79 79In the money 0 75.04%
Showing strikes 1–50 of 77
Jan 21, 2028EXPIRATION136 contracts / 68 strikes
SAVED STOCK PRICE$166.54Nearest ATM strike $165.00
Jump to ATM
TSEM option chain expiring 2028-01-21, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
12 12In the money 0 64.09% 35.00 205 232 +27 84.36%
1 1In the money 0 73.92% 40.00 7 7 0 96.40%
2 2In the money 0 71.66% 45.00 52 52 0 90.50%
4 4In the money 0 83.58% 50.00 69 69 0 85.59%
3 3In the money 0 82.46% 55.00 32 32 0 74.21%
1 1In the money 0 82.44% 57.50 7 7 0 74.58%
11 11In the money 0 79.34% 60.00 15 15 0 80.89%
4 4In the money 0 80.96% 62.50 1 1 0 75.69%
7 7In the money 0 80.13% 65.00 22 22 0 79.43%
3 3In the money 0 80.57% 67.50 67 67 0 74.87%
20 20In the money 0 79.19% 70.00 32 32 0 80.20%
19 19In the money 0 78.22% 72.50 132 132 0 79.14%
41 41In the money 0 80.91% 75.00 112 112 0 75.10%
7 7In the money 0 78.26% 80.00 79 79 0 77.92%
2 2In the money 0 78.13% 85.00 16 16 0 75.43%
4 4In the money 0 78.82% 87.50 40 40 0 78.36%
34 34In the money 0 77.27% 90.00 7 7 0 75.81%
0 0In the money 0New 77.11% 92.50 11 11 0 74.70%
20 20In the money 0 77.42% 95.00 13 13 0 75.42%
0 0In the money 0New 76.87% 97.50 14 16 +2 77.15%
109 109In the money 0 76.78% 100.00 78 89 +11 77.24%
6 6In the money 0 76.48% 105.00 61 61 0 74.94%
23 23In the money 0 76.40% 110.00 55 55 0 75.35%
7 7In the money 0 76.32% 115.00 65 65 0 76.42%
26 26In the money 0 76.65% 120.00 73 73 0 75.55%
8 8In the money 0 76.11% 125.00 111 111 0 76.25%
17 17In the money 0 75.92% 130.00 17 17 0 75.82%
7 7In the money 0 75.76% 135.00 10 10 0 75.96%
28 28In the money 0 75.04% 140.00 47 48 +1 75.11%
5 5In the money 0 75.24% 145.00 38 38 0 75.56%
23 23In the money 0 75.06% 150.00 149 149 0 74.98%
60 60In the money 0 74.85% 155.00 49 49 0 75.00%
6 6In the money 0 75.47% 160.00 24 24 0 74.30%
1 1In the money 0 74.98% 165.00NEAREST ATM 17 17 0 74.20%
STOCK PRICE $166.54
10 10 0 74.85% 170.00 27 27In the money 0 74.13%
49 49 0 74.79% 175.00 5 5In the money 0 74.56%
20 20 0 74.21% 180.00 32 32In the money 0 74.81%
13 13 0 74.28% 185.00 24 24In the money 0 74.89%
340 340 0 74.48% 190.00 19 19In the money 0 74.83%
22 42 +20 74.53% 195.00 68 68In the money 0 74.60%
59 58 -1 74.31% 200.00 179 179In the money 0 74.44%
17 7 -10 74.28% 210.00 96 96In the money 0 74.88%
213 213 0 73.21% 220.00 166 166In the money 0 73.81%
162 162 0 73.95% 230.00 6 6In the money 0 73.85%
248 259 +11 74.60% 240.00 6 6In the money 0 72.61%
41 41 0 73.60% 250.00 2 2In the money 0 73.44%
19 30 +11 73.50% 260.00 8 8In the money 0 73.37%
106 106 0 74.36% 270.00 4 4In the money 0 73.74%
13 13 0 74.16% 280.00 0 0In the money 0New 73.16%
255 255 0 73.33% 290.00 2 2In the money 0 72.94%
Showing strikes 1–50 of 68
Jan 19, 2029EXPIRATION82 contracts / 41 strikes
SAVED STOCK PRICE$166.54Nearest ATM strike $165.00
Jump to ATM
TSEM option chain expiring 2029-01-19, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 76.89% 95.00 0 0 0New 75.87%
0 0In the money 0New 76.83% 100.00 5 5 0 75.64%
0 0In the money 0New 76.28% 105.00 1 1 0 75.11%
1 1In the money 0 75.90% 110.00 3 3 0 74.98%
0 0In the money 0New 75.77% 115.00 0 0 0New 73.87%
0 0In the money 0New 75.70% 120.00 0 0 0New 76.02%
0 0In the money 0New 75.53% 125.00 0 0 0New 74.65%
0 0In the money 0New 75.36% 130.00 0 0 0New 73.84%
9 9In the money 0 74.97% 135.00 1 1 0 74.10%
0 0In the money 0New 74.73% 140.00 1 1 0 73.78%
0 0In the money 0New 75.39% 145.00 0 0 0New 73.93%
0 0In the money 0New 74.75% 150.00 6 6 0 73.93%
0 0In the money 0New 74.59% 155.00 3 3 0 73.86%
0 0In the money 0New 74.12% 160.00 0 0 0New 73.77%
2 4In the money +2 74.74% 165.00NEAREST ATM 0 0 0New 73.76%
STOCK PRICE $166.54
0 2 +2New 74.18% 170.00 0 0In the money 0New 73.80%
0 0 0New 74.19% 175.00 0 0In the money 0New 74.19%
1 1 0 74.21% 180.00 0 0In the money 0New 73.70%
1 1 0 73.83% 185.00 0 0In the money 0New 73.63%
0 0 0New 73.77% 190.00 0 0In the money 0New 73.63%
0 1 +1New 73.95% 195.00 0 0In the money 0New 74.30%
2 2 0 73.64% 200.00 0 0In the money 0New 74.26%
0 0 0New 73.59% 210.00 1 1In the money 0 73.64%
1 1 0 73.24% 220.00 0 0In the money 0New 73.48%
4 4 0 73.27% 230.00 0 0In the money 0New 73.71%
2 2 0 73.02% 240.00 0 0In the money 0New 73.84%
5 6 +1 73.19% 250.00 0 0In the money 0New 73.26%
0 0 0New 73.00% 260.00 0 0In the money 0New 72.92%
1 1 0 72.89% 270.00 0 0In the money 0New 73.36%
0 0 0New 72.84% 280.00 0 0In the money 0New 73.27%
0 0 0New 72.82% 290.00 0 0In the money 0New 73.33%
6 6 0 72.57% 300.00 0 0In the money 0New 73.03%
0 0 0New 72.61% 310.00 0 0In the money 0New 72.73%
0 0 0New 72.93% 320.00 1 1In the money 0 72.38%
2 2 0 72.55% 330.00 0 0In the money 0New 72.76%
3 3 0 72.70% 340.00 0 0In the money 0New 72.67%
0 0 0New 72.81% 350.00 0 0In the money 0New 72.76%
0 0 0New 72.41% 360.00 0 0In the money 0New 72.90%
0 0 0New 72.47% 370.00 0 0In the money 0New 72.56%
0 0 0New 72.48% 380.00 0 0In the money 0New 72.66%
1 1 0 72.50% 390.00 0 0In the money 0New 72.74%

Click an OI number to view that contract's history. Click an expiration to show or hide its contracts. Unobserved daily OI is treated as zero; an empty call/put side means no contract at that strike.

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