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 Some data may be out of date.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

TNDM

Daily option chain

Daily open interest

vs Oct 21, 2026

Saved stock price: $17.15 · 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
274 contracts / 5 expirationsClick OI for history
Nov 20, 2026EXPIRATION76 contracts / 38 strikes
SAVED STOCK PRICE$17.15Nearest ATM strike $17.00
Jump to ATM
TNDM 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 0.00% 3.00 0 0 0New 280.66%
0 0In the money 0New 0.00% 4.00 0 0 0New 425.11%
0 0In the money 0New 0.00% 5.00 0 0 0New 481.52%
0 0In the money 0New 0.00% 6.00 0 0 0New 415.50%
0 0In the money 0New 143.45% 7.00 1 1 0 362.30%
0 0In the money 0New 0.00% 8.00 13 13 0 317.66%
0 0In the money 0New 0.00% 9.00 10 10 0 281.78%
0 0In the money 0New 121.89% 10.00 9 9 0 249.84%
0 0In the money 0New 102.80% 11.00 4 4 0 225.19%
4 4In the money 0 101.36% 12.00 404 404 0 144.98%
7 7In the money 0 104.41% 13.00 121 121 0 118.21%
15 15In the money 0 100.50% 14.00 26 26 0 106.59%
9 9In the money 0 92.59% 15.00 660 660 0 110.52%
337 337In the money 0 68.62% 16.00 89 89 0 122.92%
24 24In the money 0 100.01% 17.00NEAREST ATM 69 69 0 115.30%
STOCK PRICE $17.15
198 198 0 111.40% 18.00 12 12In the money 0 100.63%
998 998 0 84.83% 19.00 27 27In the money 0 108.41%
289 289 0 78.03% 20.00 5 5In the money 0 103.64%
48 48 0 118.66% 21.00 2 2In the money 0 118.49%
75 75 0 142.12% 22.00 2 2In the money 0 133.55%
57 57 0 150.46% 23.00 11 11In the money 0 141.74%
5 5 0 159.28% 24.00 0 0In the money 0New 139.51%
36 36 0 165.79% 25.00 0 0In the money 0New 131.53%
41 41 0 173.11% 26.00 0 0In the money 0New 157.49%
14 14 0 181.40% 27.00 0 0In the money 0New 172.36%
32 32 0 142.33% 28.00 0 0In the money 0New 142.67%
1 1 0 194.98% 29.00 0 0In the money 0New 129.08%
103 103 0 122.32% 30.00 0 0In the money 0New 135.12%
2 2 0 206.96% 31.00 0 0In the money 0New 175.16%
19 19 0 213.28% 32.00 0 0In the money 0New 185.34%
25 25 0 219.32% 33.00 0 0In the money 0New 178.29%
4 4 0 225.10% 34.00 0 0In the money 0New 212.47%
84 84 0 230.65% 35.00 0 0In the money 0New 161.78%
6 6 0 235.97% 36.00 0 0In the money 0New 166.53%
1 1 0 192.26% 37.00 0 0In the money 0New 224.76%
0 0 0New 246.03% 38.00 0 0In the money 0New 193.63%
0 0 0New 250.79% 39.00 0 0In the money 0New 198.11%
0 0 0New 205.31% 40.00 0 0In the money 0New 226.63%
Dec 18, 2026EXPIRATION38 contracts / 19 strikes
SAVED STOCK PRICE$17.15Nearest ATM strike $17.00
Jump to ATM
TNDM 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 0.00% 8.00 0 0 0New 220.09%
0 0In the money 0New 113.63% 9.00 0 0 0New 142.72%
0 0In the money 0New 96.91% 10.00 0 0 0New 128.40%
0 0In the money 0New 118.06% 11.00 0 0 0New 114.72%
0 0In the money 0New 86.06% 12.00 0 0 0New 96.34%
0 0In the money 0New 104.46% 13.00 0 0 0New 108.26%
0 0In the money 0New 89.55% 14.00 0 0 0New 83.41%
0 0In the money 0New 87.97% 15.00 0 0 0New 102.33%
0 0In the money 0New 82.75% 16.00 0 0 0New 83.30%
0 0In the money 0New 70.66% 17.00NEAREST ATM 0 0 0New 86.50%
STOCK PRICE $17.15
0 0 0New 66.59% 18.00 0 0In the money 0New 74.88%
0 0 0New 74.70% 19.00 0 0In the money 0New 81.36%
0 0 0New 72.93% 20.00 0 0In the money 0New 87.81%
0 0 0New 68.46% 21.00 0 0In the money 0New 93.78%
0 0 0New 103.20% 22.00 0 0In the money 0New 79.12%
0 0 0New 108.12% 23.00 0 0In the money 0New 98.11%
2 2 0 107.94% 24.00 0 0In the money 0New 83.40%
0 0 0New 84.76% 25.00 0 0In the money 0New 105.20%
0 0 0New 133.84% 30.00 0 0In the money 0New 97.80%
Jan 15, 2027EXPIRATION82 contracts / 41 strikes
SAVED STOCK PRICE$17.15Nearest ATM strike $17.00
Jump to ATM
TNDM option chain expiring 2027-01-15, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
11 11In the money 0 0.00% 3.00 0 0 0New 407.31%
8 8In the money 0 0.00% 5.00 40 40 0 281.88%
0 0In the money 0New 152.92% 6.00 0 0 0New 185.84%
0 0In the money 0New 131.62% 7.00 2 2 0 213.96%
0 0In the money 0New 0.00% 8.00 13 13 0 180.43%
6 6In the money 0 0.00% 9.00 27 27 0 119.04%
26 26In the money 0 0.00% 10.00 1,078 1,078 0 107.02%
1 1In the money 0 51.28% 11.00 914 914 0 137.94%
7 7In the money 0 61.91% 12.00 9 9 0 84.55%
150 150In the money 0 66.41% 13.00 518 518 0 113.21%
1 1In the money 0 66.99% 14.00 10 10 0 98.82%
698 698In the money 0 73.59% 15.00 6 6 0 89.16%
226 226In the money 0 68.27% 16.00 6 6 0 77.26%
36 36In the money 0 52.02% 17.00NEAREST ATM 5 5 0 88.10%
STOCK PRICE $17.15
80 80 0 64.75% 18.00 16 16In the money 0 82.78%
11 11 0 79.93% 19.00 0 0In the money 0New 87.45%
273 273 0 73.59% 20.00 122 122In the money 0 65.59%
320 320 0 63.36% 21.00 0 0In the money 0New 73.65%
135 135 0 94.54% 22.00 0 0In the money 0New 60.93%
57 57 0 97.98% 23.00 70 70In the money 0 74.99%
735 735 0 77.39% 24.00 0 0In the money 0New 76.94%
167 167 0 74.18% 25.00 29 29In the money 0 75.87%
5 5 0 108.25% 26.00 0 0In the money 0New 70.58%
2 2 0 79.68% 27.00 0 0In the money 0New 92.28%
25 25 0 115.09% 28.00 4 4In the money 0 92.30%
45 45 0 84.98% 29.00 0 0In the money 0New 91.62%
277 277 0 91.32% 30.00 11 11In the money 0 95.59%
0 0 0New 93.46% 31.00 0 0In the money 0New 93.78%
2 2 0 98.16% 32.00 0 0In the money 0New 100.26%
312 312 0 99.96% 33.00 1 1In the money 0 97.59%
2 2 0 134.35% 34.00 0 0In the money 0New 120.09%
111 111 0 101.38% 35.00 0 0In the money 0New 115.86%
39 39 0 115.58% 38.00 0 0In the money 0New 112.76%
26 26 0 120.58% 40.00 0 0In the money 0New 110.29%
21 21 0 125.25% 42.00 0 0In the money 0New 115.27%
12 12 0 162.24% 45.00 0 0In the money 0New 122.25%
9 9 0 137.35% 47.00 0 0In the money 0New 126.63%
8 8 0 89.16% 50.00 0 0In the money 0New 144.94%
10 10 0 151.62% 55.00 0 0In the money 0New 142.36%
8 8 0 190.28% 60.00 0 0In the money 0New 151.02%
102 102 0 106.93% 65.00 0 0In the money 0New 158.94%
Feb 19, 2027EXPIRATION40 contracts / 20 strikes
SAVED STOCK PRICE$17.15Nearest ATM strike $17.00
Jump to ATM
TNDM 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 0.00% 5.00 0 0 0New 237.87%
0 0In the money 0New 0.00% 9.00 3 3 0 100.57%
21 21In the money 0 57.99% 10.00 15 15 0 130.56%
0 0In the money 0New 57.45% 11.00 15 15 0 117.69%
0 0In the money 0New 59.80% 12.00 9 9 0 106.57%
0 0In the money 0New 49.21% 13.00 57 57 0 106.24%
10 10In the money 0 71.92% 14.00 29 29 0 74.81%
33 33In the money 0 54.53% 15.00 34 34 0 87.45%
10 10In the money 0 56.96% 16.00 6 7 +1 73.26%
10 9In the money -1 61.03% 17.00NEAREST ATM 9 10 +1 71.58%
STOCK PRICE $17.15
64 64 0 57.97% 18.00 9 9In the money 0 57.58%
291 291 0 64.35% 19.00 0 0In the money 0New 55.74%
11 11 0 68.86% 20.00 1 1In the money 0 56.26%
8 8 0 74.43% 21.00 0 0In the money 0New 54.60%
3 3 0 79.29% 22.00 0 0In the money 0New 66.54%
5 5 0 83.58% 23.00 0 0In the money 0New 78.02%
2 2 0 66.52% 24.00 0 0In the money 0New 80.47%
4 4 0 90.78% 25.00 0 0In the money 0New 82.40%
39 39 0 106.92% 30.00 0 0In the money 0New 92.79%
8 8 0 92.53% 35.00 0 0In the money 0New 100.53%
May 21, 2027EXPIRATION38 contracts / 19 strikes
SAVED STOCK PRICE$17.15Nearest ATM strike $17.00
Jump to ATM
TNDM 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 0.00% 5.00 0 0 0New 134.04%
0 0In the money 0New 63.20% 9.00 1 1 0 112.91%
2 2In the money 0 72.05% 10.00 501 501 0 78.65%
0 0In the money 0New 85.65% 11.00 2 2 0 95.49%
0 0In the money 0New 87.42% 12.00 2 2 0 84.83%
0 0In the money 0New 72.94% 13.00 5 5 0 76.13%
10 10In the money 0 91.13% 14.00 0 0 0New 79.11%
1 1In the money 0 75.82% 15.00 3 3 0 67.68%
0 0In the money 0New 75.15% 16.00 0 0 0New 66.09%
6 6In the money 0 74.15% 17.00NEAREST ATM 0 0 0New 66.23%
STOCK PRICE $17.15
8 8 0 72.39% 18.00 0 0In the money 0New 64.46%
0 0 0New 69.94% 19.00 0 0In the money 0New 62.42%
25 26 +1 74.77% 20.00 0 0In the money 0New 59.10%
0 0 0New 76.04% 21.00 0 0In the money 0New 65.65%
1 1 0 72.23% 22.00 0 0In the money 0New 57.19%
0 0 0New 71.93% 23.00 0 0In the money 0New 61.73%
0 0 0New 67.89% 24.00 0 0In the money 0New 60.36%
1 1 0 75.84% 25.00 0 0In the money 0New 67.67%
178 178 0 72.95% 30.00 0 0In the money 0New 71.83%

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.

←→ Saved days

Contract OI history

Open full view