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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

MKSI

Daily option chain

Daily open interest

vs Oct 21, 2026

Saved stock price: $199.34 · 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
798 contracts / 8 expirationsClick OI for history
Nov 20, 2026EXPIRATION68 contracts / 34 strikes
SAVED STOCK PRICE$199.34Nearest ATM strike $200.00
Jump to ATM
MKSI 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 79.60% 140.00 0 2 +2New 91.67%
0 0In the money 0New 79.54% 145.00 0 0 0New 84.04%
0 0In the money 0New 73.97% 150.00 4 4 0 79.13%
0 0In the money 0New 76.84% 155.00 0 0 0New 77.97%
0 0In the money 0New 75.93% 160.00 3 3 0 76.78%
0 0In the money 0New 76.48% 165.00 2 2 0 77.48%
0 0In the money 0New 71.50% 170.00 1 6 +5 75.68%
2 1In the money -1 69.50% 175.00 1 4 +3 71.86%
0 0In the money 0New 69.29% 180.00 9 12 +3 70.95%
0 0In the money 0New 68.81% 185.00 17 16 -1 69.91%
1 2In the money +1 67.82% 190.00 17 20 +3 68.69%
2 2In the money 0 67.75% 195.00 326 334 +8 68.64%
STOCK PRICE $199.34
64 65 +1 67.36% 200.00NEAREST ATM 146 146In the money 0 67.16%
18 206 +188 66.92% 210.00 109 133In the money +24 66.60%
32 32 0 65.72% 220.00 229 229In the money 0 66.72%
277 274 -3 65.86% 230.00 42 87In the money +45 66.82%
792 802 +10 73.25% 240.00 619 619In the money 0 68.30%
55 71 +16 71.66% 250.00 119 118In the money -1 74.27%
179 184 +5 72.80% 260.00 121 121In the money 0 69.31%
20 20 0 75.85% 270.00 20 20In the money 0 77.02%
173 172 -1 80.35% 280.00 99 91In the money -8 78.94%
325 325 0 85.83% 290.00 4 4In the money 0 82.29%
522 522 0 90.58% 300.00 8 3In the money -5 83.83%
12 12 0 95.31% 310.00 0 0In the money 0New 90.17%
86 86 0 100.11% 320.00 1 1In the money 0 97.21%
9 9 0 106.21% 330.00 0 0In the money 0New 85.24%
16 15 -1 109.38% 340.00 0 0In the money 0New 106.16%
6 6 0 113.92% 350.00 0 0In the money 0New 97.95%
0 0 0New 117.86% 360.00 0 0In the money 0New 113.20%
0 0 0New 122.06% 370.00 0 0In the money 0New 107.98%
21 21 0 126.11% 380.00 0 0In the money 0New 102.86%
3 3 0 130.02% 390.00 0 0In the money 0New 125.63%
0 0 0New 133.33% 400.00 0 0In the money 0New 129.51%
0 0 0New 136.98% 410.00 0 0In the money 0New 121.03%
Dec 18, 2026EXPIRATION102 contracts / 51 strikes
SAVED STOCK PRICE$199.34Nearest ATM strike $200.00
Jump to ATM
MKSI option chain expiring 2026-12-18, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
4 4 0 135.67% 620.00 0 0In the money 0New 138.74%
Showing strikes 51–51 of 51
Jan 15, 2027EXPIRATION104 contracts / 52 strikes
SAVED STOCK PRICE$199.34Nearest ATM strike $200.00
Jump to ATM
MKSI option chain expiring 2027-01-15, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 65.44% 125.00 2 2 0 71.39%
7 7In the money 0 63.29% 130.00 26 26 0 68.58%
14 14In the money 0 66.87% 135.00 25 25 0 68.73%
0 0In the money 0New 64.00% 140.00 0 0 0New 67.65%
4 4In the money 0 66.50% 145.00 0 0 0New 65.42%
3 3In the money 0 65.36% 150.00 6 6 0 64.86%
1 1In the money 0 65.28% 155.00 0 0 0New 64.16%
1 1In the money 0 64.78% 160.00 0 0 0New 65.72%
1 1In the money 0 62.12% 165.00 4 44 +40 62.99%
1 1In the money 0 61.61% 170.00 3 4 +1 62.57%
16 16In the money 0 60.91% 175.00 0 9 +9New 62.42%
2 2In the money 0 60.65% 180.00 9 9 0 62.04%
4 4In the money 0 60.46% 185.00 9 9 0 61.62%
42 42In the money 0 60.20% 190.00 8 8 0 60.72%
0 0In the money 0New 59.46% 195.00 39 39 0 60.74%
STOCK PRICE $199.34
14 12 -2 59.09% 200.00NEAREST ATM 37 41In the money +4 60.69%
185 187 +2 59.00% 210.00 8 9In the money +1 60.32%
82 83 +1 60.56% 220.00 123 121In the money -2 59.20%
86 86 0 60.38% 230.00 18 18In the money 0 59.89%
73 73 0 60.08% 240.00 9 9In the money 0 58.84%
69 69 0 60.43% 250.00 62 62In the money 0 58.29%
13 13 0 58.71% 260.00 63 63In the money 0 60.23%
107 107 0 58.30% 270.00 5 5In the money 0 61.94%
56 56 0 57.53% 280.00 4 4In the money 0 61.76%
6 6 0 59.83% 290.00 7 7In the money 0 60.58%
10 10 0 59.77% 300.00 0 0In the money 0New 63.08%
46 46 0 59.62% 310.00 0 0In the money 0New 60.93%
6 6 0 61.17% 320.00 5 5In the money 0 65.91%
2 2 0 62.99% 330.00 0 0In the money 0New 61.20%
12 12 0 64.55% 340.00 0 0In the money 0New 68.89%
22 22 0 66.32% 350.00 1 0In the money -1 69.70%
5 5 0 68.40% 360.00 0 0In the money 0New 71.92%
9 9 0 70.36% 370.00 0 0In the money 0New 72.49%
77 77 0 72.19% 380.00 0 0In the money 0New 79.13%
2 2 0 74.18% 390.00 0 0In the money 0New 81.13%
35 35 0 76.09% 400.00 0 0In the money 0New 81.62%
4 4 0 77.91% 410.00 0 0In the money 0New 82.43%
5 5 0 79.95% 420.00 0 0In the money 0New 0.00%
0 0 0New 81.63% 430.00 0 0In the money 0New 88.65%
5 5 0 83.54% 440.00 0 0In the money 0New 90.05%
17 17 0 85.09% 450.00 0 0In the money 0New 96.47%
7 7 0 86.90% 460.00 0 0In the money 0New 98.62%
2 2 0 88.66% 470.00 0 0In the money 0New 93.42%
4 4 0 90.37% 480.00 0 0In the money 0New 94.04%
4 4 0 92.04% 490.00 0 0In the money 0New 104.10%
29 29 0 93.66% 500.00 0 0In the money 0New 96.17%
1 1 0 96.80% 520.00 0 0In the money 0New 109.83%
8 8 0 99.79% 540.00 0 0In the money 0New 103.17%
2 2 0 102.65% 560.00 0 0In the money 0New 117.62%
4 4 0 105.39% 580.00 0 0In the money 0New 115.22%
Showing strikes 1–50 of 52
Feb 19, 2027EXPIRATION108 contracts / 54 strikes
SAVED STOCK PRICE$199.34Nearest ATM strike $200.00
Jump to ATM
MKSI option chain expiring 2027-02-19, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 68.79% 115.00 0 2 +2New 69.92%
0 0In the money 0New 70.05% 120.00 0 1 +1New 68.94%
0 0In the money 0New 71.16% 125.00 20 20 0 69.32%
0 0In the money 0New 69.62% 130.00 22 22 0 68.48%
3 3In the money 0 65.65% 135.00 14 14 0 67.90%
1 1In the money 0 65.76% 140.00 2 2 0 67.00%
1 1In the money 0 65.11% 145.00 11 11 0 66.31%
5 5In the money 0 65.31% 150.00 15 15 0 65.58%
7 7In the money 0 64.18% 155.00 0 0 0New 67.42%
0 0In the money 0New 64.29% 160.00 10 10 0 65.38%
2 2In the money 0 64.09% 165.00 19 19 0 66.46%
0 0In the money 0New 64.58% 170.00 5 6 +1 64.83%
2 2In the money 0 64.13% 175.00 2 2 0 64.13%
0 0In the money 0New 64.82% 180.00 0 1 +1New 64.59%
0 0In the money 0New 64.88% 185.00 1 1 0 63.83%
0 0In the money 0New 63.67% 190.00 7 7 0 64.98%
1 1In the money 0 63.21% 195.00 42 42 0 63.82%
STOCK PRICE $199.34
1 1 0 62.92% 200.00NEAREST ATM 2 2In the money 0 62.83%
0 0 0New 63.01% 210.00 0 7In the money +7New 62.89%
2 2 0 61.78% 220.00 0 0In the money 0New 62.60%
3 3 0 62.08% 230.00 2 2In the money 0 61.80%
20 20 0 61.21% 240.00 1 1In the money 0 61.95%
6 6 0 61.18% 250.00 1 1In the money 0 61.66%
2 2 0 61.07% 260.00 4 4In the money 0 61.23%
77 77 0 60.42% 270.00 2 2In the money 0 62.02%
6 6 0 61.76% 280.00 5 5In the money 0 61.02%
1 1 0 61.02% 290.00 5 5In the money 0 61.63%
7 157 +150 61.60% 300.00 56 56In the money 0 61.42%
10 10 0 59.86% 310.00 0 0In the money 0New 62.35%
22 22 0 61.86% 320.00 0 0In the money 0New 61.56%
8 8 0 61.15% 330.00 3 3In the money 0 62.08%
9 9 0 61.46% 340.00 1 1In the money 0 64.59%
219 181 -38 61.51% 350.00 3 3In the money 0 64.27%
2 2 0 62.73% 360.00 3 3In the money 0 63.36%
5 5 0 63.42% 370.00 1 1In the money 0 66.77%
4 4 0 64.79% 380.00 1 1In the money 0 69.11%
83 83 0 66.04% 390.00 0 0In the money 0New 69.77%
19 19 0 67.17% 400.00 0 0In the money 0New 69.99%
0 0 0New 68.18% 410.00 0 0In the money 0New 73.43%
31 31 0 69.52% 420.00 0 0In the money 0New 74.82%
0 0 0New 70.77% 430.00 0 0In the money 0New 73.21%
2 2 0 72.19% 440.00 0 0In the money 0New 0.00%
240 240 0 73.32% 450.00 0 0In the money 0New 0.00%
19 19 0 74.62% 460.00 0 0In the money 0New 81.73%
0 0 0New 75.62% 470.00 0 0In the money 0New 85.65%
0 0 0New 76.82% 480.00 0 0In the money 0New 83.38%
324 324 0 78.23% 490.00 0 0In the money 0New 89.16%
11 11 0 79.35% 500.00 0 0In the money 0New 90.18%
3 3 0 81.72% 520.00 0 0In the money 0New 94.15%
0 0 0New 83.96% 540.00 0 0In the money 0New 97.97%
Showing strikes 1–50 of 54
Apr 16, 2027EXPIRATION86 contracts / 43 strikes
SAVED STOCK PRICE$199.34Nearest ATM strike $200.00
Jump to ATM
MKSI 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 66.88% 110.00 0 0 0New 70.13%
0 0In the money 0New 65.87% 115.00 0 0 0New 67.26%
0 0In the money 0New 64.56% 120.00 4 4 0 67.12%
0 0In the money 0New 64.33% 125.00 97 97 0 67.14%
0 0In the money 0New 64.07% 130.00 0 0 0New 65.73%
0 0In the money 0New 63.95% 135.00 0 0 0New 65.46%
1 1In the money 0 63.44% 140.00 1 1 0 66.08%
0 0In the money 0New 62.76% 145.00 0 0 0New 64.36%
0 0In the money 0New 62.65% 150.00 0 0 0New 64.66%
0 0In the money 0New 62.99% 155.00 2 2 0 63.84%
1 1In the money 0 61.86% 160.00 2 2 0 63.38%
0 0In the money 0New 61.46% 165.00 0 0 0New 63.47%
0 0In the money 0New 61.03% 170.00 0 0 0New 64.03%
0 0In the money 0New 61.96% 175.00 0 0 0New 63.10%
1 1In the money 0 60.90% 180.00 1 1 0 62.70%
0 0In the money 0New 60.75% 185.00 0 0 0New 62.56%
0 0In the money 0New 60.37% 190.00 0 0 0New 62.18%
2 2In the money 0 60.73% 195.00 0 0 0New 61.98%
STOCK PRICE $199.34
0 0 0New 60.66% 200.00NEAREST ATM 3 3In the money 0 62.31%
1 3 +2 60.09% 210.00 1 1In the money 0 62.22%
1 1 0 61.32% 220.00 0 0In the money 0New 62.28%
1 1 0 61.47% 230.00 19 19In the money 0 61.06%
5 5 0 61.80% 240.00 5 5In the money 0 61.08%
0 3 +3New 61.65% 250.00 0 0In the money 0New 61.91%
6 7 +1 59.75% 260.00 0 4In the money +4New 61.78%
1 1 0 59.83% 270.00 0 0In the money 0New 61.07%
1 1 0 60.27% 280.00 1 1In the money 0 61.16%
0 0 0New 60.17% 290.00 2 2In the money 0 61.70%
0 0 0New 60.34% 300.00 0 0In the money 0New 62.29%
3 3 0 60.12% 310.00 0 0In the money 0New 61.69%
2 2 0 60.56% 320.00 0 0In the money 0New 61.67%
10 10 0 60.56% 330.00 0 0In the money 0New 62.82%
1 1 0 59.60% 340.00 0 0In the money 0New 63.40%
1 1 0 60.16% 350.00 0 0In the money 0New 63.82%
5 5 0 60.41% 360.00 0 0In the money 0New 64.12%
0 0 0New 60.90% 370.00 0 0In the money 0New 64.76%
1 1 0 61.89% 380.00 0 0In the money 0New 63.37%
0 0 0New 61.26% 390.00 0 0In the money 0New 65.99%
0 0 0New 62.21% 400.00 0 0In the money 0New 65.18%
0 0 0New 62.40% 410.00 0 0In the money 0New 65.21%
0 0 0New 61.86% 420.00 0 0In the money 0New 70.40%
1 1 0 62.34% 430.00 0 0In the money 0New 70.20%
1 1 0 63.47% 440.00 0 0In the money 0New 69.85%
May 21, 2027EXPIRATION110 contracts / 55 strikes
SAVED STOCK PRICE$199.34Nearest ATM strike $200.00
Jump to ATM
MKSI option chain expiring 2027-05-21, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 64.69% 110.00 0 0 0New 66.48%
0 0In the money 0New 65.81% 115.00 0 0 0New 66.28%
0 0In the money 0New 64.65% 120.00 0 0 0New 66.92%
0 0In the money 0New 63.46% 125.00 10 10 0 65.99%
2 2In the money 0 63.59% 130.00 10 10 0 64.18%
22 22In the money 0 62.40% 135.00 2 2 0 64.52%
1 1In the money 0 62.46% 140.00 0 0 0New 63.40%
0 0In the money 0New 61.79% 145.00 0 0 0New 63.32%
1 1In the money 0 61.88% 150.00 1 1 0 62.97%
0 0In the money 0New 61.32% 155.00 0 0 0New 61.23%
0 0In the money 0New 60.76% 160.00 0 0 0New 60.17%
0 0In the money 0New 60.61% 165.00 0 0 0New 60.19%
1 1In the money 0 60.23% 170.00 0 0 0New 59.72%
0 0In the money 0New 59.84% 175.00 0 0 0New 59.63%
5 5In the money 0 59.81% 180.00 0 0 0New 59.44%
0 0In the money 0New 59.65% 185.00 0 0 0New 59.29%
1 1In the money 0 59.57% 190.00 0 0 0New 59.72%
0 0In the money 0New 59.64% 195.00 0 0 0New 59.68%
STOCK PRICE $199.34
1 1 0 59.26% 200.00NEAREST ATM 6 6In the money 0 59.20%
0 0 0New 59.10% 210.00 6 6In the money 0 58.70%
4 4 0 59.04% 220.00 244 244In the money 0 58.30%
6 6 0 58.71% 230.00 5 5In the money 0 58.41%
4 4 0 58.98% 240.00 16 16In the money 0 58.35%
25 25 0 58.49% 250.00 0 0In the money 0New 58.76%
42 42 0 58.72% 260.00 0 0In the money 0New 58.94%
36 36 0 58.24% 270.00 1 1In the money 0 57.96%
12 12 0 58.43% 280.00 2 2In the money 0 57.78%
85 85 0 58.23% 290.00 0 0In the money 0New 57.63%
17 17 0 58.37% 300.00 4 4In the money 0 57.46%
16 16 0 58.18% 310.00 6 6In the money 0 60.68%
17 17 0 58.20% 320.00 0 0In the money 0New 60.36%
0 0 0New 58.89% 330.00 10 10In the money 0 60.84%
0 0 0New 59.24% 340.00 0 0In the money 0New 61.00%
1 1 0 59.37% 350.00 0 0In the money 0New 60.96%
1 1 0 59.68% 360.00 0 0In the money 0New 60.89%
0 0 0New 59.33% 370.00 0 0In the money 0New 61.82%
0 0 0New 59.52% 380.00 0 0In the money 0New 62.33%
0 0 0New 59.69% 390.00 0 0In the money 0New 62.82%
63 63 0 59.31% 400.00 10 10In the money 0 64.68%
0 0 0New 61.30% 410.00 0 0In the money 0New 64.50%
10 10 0 60.61% 420.00 0 0In the money 0New 61.36%
1 1 0 59.85% 430.00 0 0In the money 0New 66.11%
0 0 0New 61.07% 440.00 0 0In the money 0New 67.72%
0 0 0New 61.57% 450.00 0 0In the money 0New 68.84%
0 0 0New 61.52% 460.00 0 0In the money 0New 71.61%
0 0 0New 62.36% 470.00 0 0In the money 0New 65.47%
1 1 0 63.93% 480.00 0 0In the money 0New 72.36%
6 6 0 62.49% 490.00 0 0In the money 0New 73.26%
13 13 0 62.94% 500.00 0 0In the money 0New 76.14%
3 3 0 64.86% 520.00 0 0In the money 0New 0.00%
Showing strikes 1–50 of 55
Aug 20, 2027EXPIRATION110 contracts / 55 strikes
SAVED STOCK PRICE$199.34Nearest ATM strike $200.00
Jump to ATM
MKSI option chain expiring 2027-08-20, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 64.64% 110.00 0 0 0New 63.19%
0 0In the money 0New 64.29% 115.00 0 0 0New 63.40%
0 0In the money 0New 64.56% 120.00 0 0 0New 63.10%
0 0In the money 0New 63.40% 125.00 0 0 0New 62.81%
6 6In the money 0 64.25% 130.00 1 1 0 62.51%
0 0In the money 0New 62.74% 135.00 0 0 0New 62.22%
0 0In the money 0New 62.93% 140.00 0 0 0New 62.26%
0 0In the money 0New 62.55% 145.00 1 1 0 62.06%
0 0In the money 0New 62.00% 150.00 0 0 0New 61.37%
0 0In the money 0New 61.47% 155.00 0 0 0New 61.65%
1 2In the money +1 60.84% 160.00 2 2 0 61.52%
0 0In the money 0New 60.29% 165.00 0 0 0New 61.05%
0 0In the money 0New 60.20% 170.00 0 0 0New 60.87%
0 0In the money 0New 60.44% 175.00 0 0 0New 60.67%
0 0In the money 0New 60.18% 180.00 0 0 0New 60.48%
0 0In the money 0New 60.34% 185.00 6 6 0 60.46%
0 0In the money 0New 59.96% 190.00 2 2 0 59.98%
0 0In the money 0New 59.90% 195.00 0 0 0New 60.03%
STOCK PRICE $199.34
0 0 0New 59.87% 200.00NEAREST ATM 0 0In the money 0New 59.52%
0 0 0New 59.65% 210.00 8 8In the money 0 59.52%
2 2 0 59.42% 220.00 0 0In the money 0New 59.74%
0 0 0New 59.33% 230.00 0 0In the money 0New 59.42%
0 0 0New 59.55% 240.00 0 0In the money 0New 59.69%
1 1 0 59.20% 250.00 1 1In the money 0 59.43%
3 3 0 58.95% 260.00 0 0In the money 0New 59.52%
5 5 0 59.26% 270.00 1 1In the money 0 59.64%
4 4 0 58.85% 280.00 1 1In the money 0 59.78%
16 16 0 59.05% 290.00 0 0In the money 0New 59.64%
1 6 +5 58.31% 300.00 2 2In the money 0 59.94%
7 7 0 59.34% 310.00 0 0In the money 0New 60.13%
0 0 0New 58.43% 320.00 1 1In the money 0 59.44%
4 4 0 59.03% 330.00 0 0In the money 0New 59.63%
0 0 0New 58.85% 340.00 0 0In the money 0New 60.18%
4 4 0 59.30% 350.00 0 0In the money 0New 60.11%
0 0 0New 58.95% 360.00 0 0In the money 0New 59.40%
0 0 0New 58.89% 370.00 0 0In the money 0New 59.97%
10 10 0 58.56% 380.00 0 0In the money 0New 60.22%
0 0 0New 58.92% 390.00 0 0In the money 0New 60.57%
21 21 0 59.17% 400.00 0 0In the money 0New 60.70%
3 3 0 57.88% 410.00 0 0In the money 0New 60.57%
0 0 0New 58.71% 420.00 0 0In the money 0New 60.44%
0 0 0New 58.72% 430.00 0 0In the money 0New 61.50%
0 0 0New 59.28% 440.00 0 0In the money 0New 61.90%
0 0 0New 59.57% 450.00 0 0In the money 0New 61.32%
0 0 0New 59.63% 460.00 0 0In the money 0New 62.22%
2 2 0 58.97% 470.00 0 0In the money 0New 63.54%
1 1 0 59.62% 480.00 0 0In the money 0New 0.00%
0 0 0New 59.64% 490.00 0 0In the money 0New 67.80%
3 3 0 58.28% 500.00 0 0In the money 0New 63.02%
0 0 0New 58.64% 520.00 0 0In the money 0New 0.00%
Showing strikes 1–50 of 55
Nov 19, 2027EXPIRATION110 contracts / 55 strikes
SAVED STOCK PRICE$199.34Nearest ATM strike $200.00
Jump to ATM
MKSI option chain expiring 2027-11-19, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 63.63% 110.00 0 0 0New 63.23%
0 0In the money 0New 64.13% 115.00 0 0 0New 62.55%
0 0In the money 0New 63.94% 120.00 0 1 +1New 61.95%
3 3In the money 0 62.42% 125.00 0 1 +1New 62.09%
1 1In the money 0 62.87% 130.00 1 1 0 61.99%
0 0In the money 0New 62.66% 135.00 1 1 0 60.88%
0 0In the money 0New 61.61% 140.00 1 1 0 61.20%
0 0In the money 0New 60.76% 145.00 1 1 0 60.94%
1 1In the money 0 60.68% 150.00 10 10 0 60.70%
0 0In the money 0New 60.35% 155.00 0 0 0New 60.31%
0 0In the money 0New 60.54% 160.00 3 3 0 59.79%
2 2In the money 0 60.26% 165.00 1 1 0 60.38%
15 15In the money 0 60.01% 170.00 7 7 0 59.60%
15 15In the money 0 60.23% 175.00 0 0 0New 59.60%
0 0In the money 0New 59.53% 180.00 2 2 0 59.38%
1 1In the money 0 59.79% 185.00 0 2 +2New 59.89%
0 0In the money 0New 59.52% 190.00 0 0 0New 59.07%
1 1In the money 0 59.62% 195.00 0 5 +5New 59.73%
STOCK PRICE $199.34
25 25 0 59.35% 200.00NEAREST ATM 6 6In the money 0 58.83%
21 21 0 59.26% 210.00 1 1In the money 0 58.90%
9 11 +2 59.04% 220.00 12 12In the money 0 58.84%
4 4 0 58.98% 230.00 3 3In the money 0 58.69%
21 21 0 58.87% 240.00 3 3In the money 0 58.82%
81 101 +20 58.54% 250.00 0 0In the money 0New 58.76%
35 35 0 58.34% 260.00 3 3In the money 0 58.99%
23 23 0 58.75% 270.00 0 0In the money 0New 58.95%
28 28 0 58.96% 280.00 0 0In the money 0New 58.93%
1 1 0 59.09% 290.00 13 13In the money 0 59.07%
28 28 0 58.33% 300.00 2 2In the money 0 59.24%
2 2 0 58.73% 310.00 14 14In the money 0 59.25%
9 11 +2 58.65% 320.00 0 0In the money 0New 59.32%
3 3 0 58.48% 330.00 0 0In the money 0New 59.33%
2 2 0 58.91% 340.00 0 0In the money 0New 59.06%
5 5 0 58.30% 350.00 0 0In the money 0New 59.39%
2 2 0 58.76% 360.00 0 0In the money 0New 59.10%
6 6 0 58.75% 370.00 0 0In the money 0New 59.06%
3 3 0 58.70% 380.00 0 0In the money 0New 58.82%
3 3 0 58.69% 390.00 0 0In the money 0New 59.41%
8 13 +5 58.57% 400.00 0 0In the money 0New 59.87%
0 0 0New 58.94% 410.00 0 0In the money 0New 60.20%
3 3 0 59.40% 420.00 0 0In the money 0New 60.40%
0 0 0New 58.91% 430.00 0 0In the money 0New 60.44%
0 0 0New 58.94% 440.00 0 0In the money 0New 60.20%
15 15 0 59.09% 450.00 0 0In the money 0New 59.52%
0 0 0New 59.06% 460.00 0 0In the money 0New 60.80%
0 0 0New 59.37% 470.00 0 0In the money 0New 59.22%
0 0 0New 59.62% 480.00 0 0In the money 0New 60.42%
1 1 0 59.28% 490.00 0 0In the money 0New 61.58%
24 24 0 59.41% 500.00 0 0In the money 0New 62.73%
0 0 0New 59.99% 520.00 0 0In the money 0New 0.00%
Showing strikes 1–50 of 55

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