OI update signal: Not confirmed MSFT / AAPL · Checked Oct 23, 09:56 EDT
The latest collection has not completed. Some symbols may not be updated yet.
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

TNDM

Daily option chain

Daily open interest

vs Oct 16, 2026

Saved stock price: $16.34 · Expirations before Oct 21, 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$16.34Nearest ATM strike $16.00
Jump to ATM
TNDM option chain expiring 2026-11-20, open interest on 2026-10-21 compared with 2026-10-16
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 364.84% 3.00 0 0 0New 268.62%
0 0In the money 0New 302.60% 4.00 0 0 0New 548.21%
0 0In the money 0New 255.92% 5.00 0 0 0New 462.54%
0 0In the money 0New 218.55% 6.00 0 0 0New 397.46%
0 0In the money 0New 187.35% 7.00 1 1 0 344.94%
0 0In the money 0New 0.00% 8.00 13 13 0 300.80%
0 0In the money 0New 156.72% 9.00 10 10 0 265.21%
0 0In the money 0New 140.82% 10.00 9 9 0 233.41%
0 0In the money 0New 136.39% 11.00 4 4 0 206.53%
4 4In the money 0 132.38% 12.00 404 404 0 187.07%
7 7In the money 0 131.85% 13.00 121 121 0 143.16%
15 15In the money 0 110.52% 14.00 28 26 -2 130.61%
9 9In the money 0 106.62% 15.00 660 660 0 94.19%
337 337In the money 0 101.46% 16.00NEAREST ATM 89 89 0 109.23%
STOCK PRICE $16.34
23 24 +1 78.90% 17.00 69 69In the money 0 82.63%
198 198 0 104.40% 18.00 12 12In the money 0 86.46%
998 998 0 90.62% 19.00 27 27In the money 0 83.04%
287 289 +2 114.41% 20.00 5 5In the money 0 82.81%
48 48 0 154.36% 21.00 2 2In the money 0 70.63%
73 75 +2 157.32% 22.00 2 2In the money 0 66.30%
57 57 0 163.42% 23.00 11 11In the money 0 87.97%
5 5 0 170.09% 24.00 0 0In the money 0New 116.04%
36 36 0 177.56% 25.00 0 0In the money 0New 0.00%
41 41 0 184.40% 26.00 0 0In the money 0New 0.00%
14 14 0 190.69% 27.00 0 0In the money 0New 0.00%
32 32 0 198.15% 28.00 0 0In the money 0New 0.00%
1 1 0 205.21% 29.00 0 0In the money 0New 0.00%
103 103 0 133.03% 30.00 0 0In the money 0New 0.00%
2 2 0 216.60% 31.00 0 0In the money 0New 0.00%
19 19 0 222.68% 32.00 0 0In the money 0New 137.03%
25 25 0 228.50% 33.00 0 0In the money 0New 0.00%
4 4 0 234.07% 34.00 0 0In the money 0New 0.00%
84 84 0 239.42% 35.00 0 0In the money 0New 0.00%
6 6 0 244.56% 36.00 0 0In the money 0New 0.00%
1 1 0 199.36% 37.00 0 0In the money 0New 0.00%
0 0 0New 254.27% 38.00 0 0In the money 0New 0.00%
0 0 0New 258.87% 39.00 0 0In the money 0New 0.00%
0 0 0New 263.32% 40.00 0 0In the money 0New 0.00%
Dec 18, 2026EXPIRATION38 contracts / 19 strikes
SAVED STOCK PRICE$16.34Nearest ATM strike $16.00
Jump to ATM
TNDM option chain expiring 2026-12-18, open interest on 2026-10-21 compared with 2026-10-16
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 138.90% 8.00 0 0 0New 219.49%
0 0In the money 0New 124.73% 9.00 0 0 0New 195.47%
0 0In the money 0New 115.72% 10.00 0 0 0New 172.15%
0 0In the money 0New 119.97% 11.00 0 0 0New 152.43%
0 0In the money 0New 107.44% 12.00 0 0 0New 136.73%
0 0In the money 0New 89.37% 13.00 0 0 0New 120.13%
0 0In the money 0New 93.38% 14.00 0 0 0New 107.26%
0 0In the money 0New 87.09% 15.00 0 0 0New 64.09%
0 0In the money 0New 90.66% 16.00NEAREST ATM 0 0 0New 82.31%
STOCK PRICE $16.34
0 0 0New 83.58% 17.00 0 0In the money 0New 79.52%
0 0 0New 96.35% 18.00 0 0In the money 0New 74.98%
0 0 0New 101.38% 19.00 0 0In the money 0New 64.10%
0 0 0New 83.32% 20.00 0 0In the money 0New 71.59%
0 0 0New 72.59% 21.00 0 0In the money 0New 70.44%
0 0 0New 120.54% 22.00 0 0In the money 0New 85.74%
0 0 0New 120.88% 23.00 0 0In the money 0New 79.24%
0 2 +2New 124.68% 24.00 0 0In the money 0New 66.76%
0 0 0New 128.98% 25.00 0 0In the money 0New 0.00%
0 0 0New 151.42% 30.00 0 0In the money 0New 0.00%
Jan 15, 2027EXPIRATION82 contracts / 41 strikes
SAVED STOCK PRICE$16.34Nearest ATM strike $16.00
Jump to ATM
TNDM option chain expiring 2027-01-15, open interest on 2026-10-21 compared with 2026-10-16
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
11 11In the money 0 202.95% 3.00 0 0 0New 400.69%
8 8In the money 0 137.26% 5.00 40 40 0 275.70%
0 0In the money 0New 126.70% 6.00 0 0 0New 237.07%
0 0In the money 0New 106.98% 7.00 2 2 0 205.90%
0 0In the money 0New 98.23% 8.00 13 13 0 179.72%
6 6In the money 0 0.00% 9.00 27 27 0 158.63%
26 26In the money 0 84.47% 10.00 1,078 1,078 0 141.20%
1 1In the money 0 81.52% 11.00 914 914 0 126.42%
7 7In the money 0 79.02% 12.00 9 9 0 113.56%
150 150In the money 0 75.42% 13.00 518 518 0 104.07%
1 1In the money 0 90.04% 14.00 10 10 0 95.09%
708 698In the money -10 80.45% 15.00 6 6 0 81.09%
226 226In the money 0 73.25% 16.00NEAREST ATM 6 6 0 88.02%
STOCK PRICE $16.34
36 36 0 81.18% 17.00 5 5In the money 0 71.86%
80 80 0 97.31% 18.00 16 16In the money 0 71.58%
11 11 0 85.81% 19.00 0 0In the money 0New 69.38%
273 273 0 73.18% 20.00 122 122In the money 0 70.34%
320 320 0 112.80% 21.00 0 0In the money 0New 70.66%
135 135 0 82.12% 22.00 0 0In the money 0New 67.33%
57 57 0 105.91% 23.00 70 70In the money 0 68.69%
735 735 0 108.40% 24.00 0 0In the money 0New 62.99%
167 167 0 111.24% 25.00 29 29In the money 0 73.83%
5 5 0 114.54% 26.00 0 0In the money 0New 0.00%
2 2 0 117.48% 27.00 0 0In the money 0New 72.51%
25 25 0 91.13% 28.00 4 4In the money 0 76.42%
45 45 0 93.67% 29.00 0 0In the money 0New 0.00%
277 277 0 90.18% 30.00 11 11In the money 0 0.00%
0 0 0New 130.23% 31.00 0 0In the money 0New 0.00%
2 2 0 132.87% 32.00 0 0In the money 0New 0.00%
312 312 0 136.35% 33.00 1 1In the money 0 0.00%
2 2 0 138.65% 34.00 0 0In the money 0New 0.00%
111 111 0 107.14% 35.00 0 0In the money 0New 0.00%
39 39 0 138.36% 38.00 0 0In the money 0New 0.00%
26 26 0 155.00% 40.00 0 0In the money 0New 0.00%
21 21 0 160.03% 42.00 0 0In the money 0New 0.00%
12 12 0 167.00% 45.00 0 0In the money 0New 0.00%
9 9 0 171.33% 47.00 0 0In the money 0New 0.00%
8 8 0 91.68% 50.00 0 0In the money 0New 0.00%
10 10 0 186.50% 55.00 0 0In the money 0New 0.00%
8 8 0 194.64% 60.00 0 0In the money 0New 0.00%
102 102 0 109.26% 65.00 0 0In the money 0New 0.00%
Feb 19, 2027EXPIRATION40 contracts / 20 strikes
SAVED STOCK PRICE$16.34Nearest ATM strike $16.00
Jump to ATM
TNDM option chain expiring 2027-02-19, open interest on 2026-10-21 compared with 2026-10-16
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 119.48% 5.00 0 0 0New 233.39%
0 0In the money 0New 63.33% 9.00 3 3 0 138.52%
21 21In the money 0 78.18% 10.00 23 15 -8 123.41%
0 0In the money 0New 74.14% 11.00 15 15 0 71.16%
0 0In the money 0New 75.33% 12.00 9 9 0 102.31%
0 0In the money 0New 65.47% 13.00 56 57 +1 91.23%
10 10In the money 0 63.97% 14.00 29 29 0 89.79%
35 33In the money -2 64.33% 15.00 34 34 0 61.24%
10 10In the money 0 72.41% 16.00NEAREST ATM 6 6 0 60.75%
STOCK PRICE $16.34
11 10 -1 66.78% 17.00 9 9In the money 0 58.40%
62 64 +2 79.82% 18.00 9 9In the money 0 58.96%
290 291 +1 86.23% 19.00 0 0In the money 0New 44.93%
11 11 0 80.27% 20.00 1 1In the money 0 56.48%
8 8 0 61.43% 21.00 0 0In the money 0New 70.39%
4 3 -1 81.78% 22.00 0 0In the money 0New 43.89%
6 5 -1 89.36% 23.00 0 0In the money 0New 60.08%
2 2 0 91.50% 24.00 0 0In the money 0New 55.58%
4 4 0 94.69% 25.00 0 0In the money 0New 56.68%
39 39 0 110.14% 30.00 0 0In the money 0New 0.00%
8 8 0 123.42% 35.00 0 0In the money 0New 0.00%
May 21, 2027EXPIRATION38 contracts / 19 strikes
SAVED STOCK PRICE$16.34Nearest ATM strike $16.00
Jump to ATM
TNDM option chain expiring 2027-05-21, open interest on 2026-10-21 compared with 2026-10-16
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 88.74% 5.00 0 0 0New 177.79%
0 0In the money 0New 84.93% 9.00 1 1 0 111.80%
2 2In the money 0 82.62% 10.00 501 501 0 101.51%
0 0In the money 0New 80.85% 11.00 2 2 0 94.29%
0 0In the money 0New 95.15% 12.00 2 2 0 85.72%
0 0In the money 0New 75.62% 13.00 5 5 0 89.73%
10 10In the money 0 93.01% 14.00 0 0 0New 75.23%
1 1In the money 0 78.79% 15.00 3 3 0 79.00%
0 0In the money 0New 76.51% 16.00NEAREST ATM 0 0 0New 68.54%
STOCK PRICE $16.34
6 6 0 74.61% 17.00 0 0In the money 0New 73.49%
8 8 0 69.99% 18.00 0 0In the money 0New 64.64%
0 0 0New 72.84% 19.00 0 0In the money 0New 73.38%
25 25 0 74.01% 20.00 0 0In the money 0New 73.29%
0 0 0New 69.50% 21.00 0 0In the money 0New 78.72%
1 1 0 70.52% 22.00 0 0In the money 0New 69.08%
0 0 0New 77.38% 23.00 0 0In the money 0New 68.09%
0 0 0New 91.15% 24.00 0 0In the money 0New 67.62%
1 1 0 90.22% 25.00 0 0In the money 0New 67.80%
178 178 0 74.40% 30.00 0 0In the money 0New 0.00%

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