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,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

AMSC

Daily option chain

Daily open interest

vs Oct 21, 2026

Saved stock price: $25.17 · 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
296 contracts / 6 expirationsClick OI for history
Nov 20, 2026EXPIRATION56 contracts / 28 strikes
SAVED STOCK PRICE$25.17Nearest ATM strike $25.00
Jump to ATM
AMSC 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% 13.00 0 0 0New 137.77%
0 0In the money 0New 119.04% 14.00 0 0 0New 150.90%
0 0In the money 0New 115.26% 15.00 0 7 +7New 106.79%
0 0In the money 0New 109.56% 16.00 9 8 -1 107.18%
0 0In the money 0New 96.96% 17.00 4 4 0 109.05%
0 0In the money 0New 90.31% 18.00 60 64 +4 94.19%
0 0In the money 0New 73.58% 19.00 0 1 +1New 97.56%
11 11In the money 0 84.95% 20.00 87 87 0 95.30%
20 20In the money 0 77.83% 21.00 54 54 0 94.60%
0 0In the money 0New 88.04% 22.00 30 38 +8 91.41%
2 2In the money 0 87.12% 23.00 41 49 +8 92.23%
0 1In the money +1New 88.47% 24.00 43 49 +6 88.65%
11 14In the money +3 84.64% 25.00NEAREST ATM 254 266 +12 89.32%
STOCK PRICE $25.17
38 49 +11 86.62% 26.00 65 65In the money 0 92.15%
129 130 +1 87.34% 27.00 164 162In the money -2 92.04%
30 33 +3 81.38% 28.00 80 80In the money 0 92.73%
63 63 0 79.64% 29.00 155 154In the money -1 91.63%
159 182 +23 82.16% 30.00 82 82In the money 0 94.83%
239 250 +11 83.27% 31.00 37 37In the money 0 96.85%
154 161 +7 81.53% 32.00 102 102In the money 0 97.66%
63 59 -4 83.71% 33.00 2 2In the money 0 97.20%
118 151 +33 86.56% 34.00 0 0In the money 0New 98.10%
167 198 +31 88.71% 35.00 14 14In the money 0 90.89%
405 410 +5 92.08% 36.00 12 12In the money 0 87.57%
89 89 0 97.05% 37.00 0 0In the money 0New 92.47%
33 28 -5 92.89% 38.00 5 5In the money 0 97.19%
2 3 +1 104.27% 39.00 0 0In the money 0New 101.73%
83 83 0 108.62% 40.00 3 3In the money 0 115.72%
Dec 18, 2026EXPIRATION40 contracts / 20 strikes
SAVED STOCK PRICE$25.17Nearest ATM strike $25.00
Jump to ATM
AMSC 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% 18.00 0 0 0New 0.00%
0 0In the money 0New 70.47% 19.00 0 0 0New 80.52%
0 0In the money 0New 65.61% 20.00 0 0 0New 79.58%
0 0In the money 0New 65.71% 21.00 0 0 0New 79.62%
0 0In the money 0New 74.83% 22.00 0 0 0New 80.27%
0 0In the money 0New 73.43% 23.00 0 0 0New 79.99%
0 0In the money 0New 73.34% 24.00 2 3 +1 78.29%
0 10In the money +10New 73.09% 25.00NEAREST ATM 0 1 +1New 77.93%
STOCK PRICE $25.17
1 1 0 71.48% 26.00 1 1In the money 0 78.18%
0 0 0New 72.36% 27.00 2 2In the money 0 77.81%
6 6 0 71.38% 28.00 1 1In the money 0 77.55%
4 4 0 70.50% 29.00 0 0In the money 0New 74.85%
4 25 +21 73.94% 30.00 0 1In the money +1New 76.36%
0 0 0New 72.35% 31.00 0 0In the money 0New 79.90%
19 30 +11 70.33% 32.00 0 0In the money 0New 85.79%
51 51 0 69.57% 33.00 0 0In the money 0New 82.11%
1 17 +16 70.60% 34.00 0 0In the money 0New 83.84%
7 7 0 69.91% 35.00 0 0In the money 0New 88.57%
0 0 0New 70.57% 36.00 0 0In the money 0New 85.74%
0 0 0New 71.87% 37.00 0 0In the money 0New 76.44%
Jan 15, 2027EXPIRATION80 contracts / 40 strikes
SAVED STOCK PRICE$25.17Nearest ATM strike $25.00
Jump to ATM
AMSC option chain expiring 2027-01-15, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
41 41In the money 0 0.00% 3.00 195 195 0 190.91%
2 2In the money 0 184.52% 5.00 29 29 0 184.94%
25 25In the money 0 0.00% 10.00 42 42 0 125.48%
19 19In the money 0 82.19% 13.00 66 66 0 101.87%
119 119In the money 0 64.32% 15.00 53 53 0 81.80%
12 12In the money 0 77.84% 18.00 67 67 0 74.68%
221 220In the money -1 73.97% 20.00 257 258 +1 73.58%
17 18In the money +1 70.40% 22.00 339 342 +3 71.10%
168 167In the money -1 69.68% 25.00NEAREST ATM 559 560 +1 72.84%
STOCK PRICE $25.17
638 666 +28 68.03% 27.00 255 261In the money +6 69.77%
313 313 0 68.96% 30.00 385 385In the money 0 72.10%
49 50 +1 68.53% 31.00 334 334In the money 0 71.81%
228 229 +1 69.78% 32.00 38 38In the money 0 69.58%
39 58 +19 66.70% 33.00 66 66In the money 0 70.30%
47 378 +331 69.41% 34.00 6 6In the money 0 73.19%
610 610 0 64.56% 35.00 280 271In the money -9 71.51%
246 246 0 68.77% 36.00 23 23In the money 0 68.87%
187 186 -1 70.46% 37.00 34 34In the money 0 72.28%
61 61 0 68.36% 38.00 17 17In the money 0 71.91%
16 16 0 67.34% 39.00 13 13In the money 0 68.56%
516 503 -13 67.88% 40.00 110 110In the money 0 65.87%
31 31 0 70.44% 41.00 26 26In the money 0 68.52%
460 460 0 69.25% 42.00 11 11In the money 0 71.08%
40 40 0 68.82% 43.00 19 19In the money 0 69.72%
77 72 -5 71.02% 44.00 10 10In the money 0 72.07%
209 207 -2 74.60% 45.00 51 51In the money 0 0.00%
111 111 0 78.09% 46.00 5 5In the money 0 0.00%
260 260 0 80.14% 47.00 27 27In the money 0 82.85%
16 16 0 82.12% 48.00 2 2In the money 0 88.36%
220 220 0 86.81% 49.00 1 1In the money 0 0.00%
728 728 0 84.44% 50.00 5 5In the money 0 92.61%
664 664 0 94.63% 55.00 0 0In the money 0New 102.43%
1,504 1,503 -1 81.88% 60.00 0 0In the money 0New 102.96%
174 174 0 107.59% 65.00 0 0In the money 0New 103.67%
170 170 0 113.83% 70.00 0 0In the money 0New 110.77%
94 94 0 117.64% 75.00 0 0In the money 0New 117.38%
195 195 0 122.86% 80.00 0 0In the money 0New 123.57%
195 195 0 127.71% 85.00 0 0In the money 0New 129.39%
224 224 0 132.22% 90.00 0 0In the money 0New 134.89%
721 721 0 102.15% 95.00 0 0In the money 0New 140.11%
Apr 16, 2027EXPIRATION58 contracts / 29 strikes
SAVED STOCK PRICE$25.17Nearest ATM strike $25.00
Jump to ATM
AMSC 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 0.00% 13.00 0 0 0New 77.53%
0 0In the money 0New 64.40% 14.00 0 0 0New 76.70%
0 0In the money 0New 57.30% 15.00 0 2 +2New 74.95%
0 0In the money 0New 64.18% 16.00 0 0 0New 74.76%
0 0In the money 0New 66.05% 17.00 0 0 0New 74.92%
0 0In the money 0New 66.47% 18.00 1 1 0 73.04%
0 0In the money 0New 65.94% 19.00 0 0 0New 72.26%
6 6In the money 0 69.57% 20.00 19 19 0 74.17%
0 0In the money 0New 70.14% 21.00 1 1 0 74.72%
0 1In the money +1New 67.49% 22.00 5 5 0 74.60%
0 0In the money 0New 69.33% 23.00 12 14 +2 73.13%
0 1In the money +1New 67.38% 24.00 10 10 0 72.79%
4 5In the money +1 69.54% 25.00NEAREST ATM 53 53 0 73.48%
STOCK PRICE $25.17
0 0 0New 67.46% 26.00 0 0In the money 0New 72.94%
2 2 0 68.61% 27.00 3 3In the money 0 72.72%
7 7 0 67.90% 28.00 9 9In the money 0 72.10%
7 7 0 66.80% 29.00 3 3In the money 0 72.53%
24 28 +4 70.34% 30.00 42 42In the money 0 71.89%
4 4 0 66.02% 31.00 1 1In the money 0 72.35%
11 11 0 67.85% 32.00 3 3In the money 0 72.50%
2 2 0 67.21% 33.00 0 0In the money 0New 72.35%
1 1 0 67.39% 34.00 0 0In the money 0New 69.56%
6 35 +29 68.46% 35.00 0 10In the money +10New 72.70%
35 36 +1 67.35% 36.00 0 0In the money 0New 71.67%
6 6 0 66.74% 37.00 0 0In the money 0New 72.83%
5 5 0 67.14% 38.00 0 0In the money 0New 72.08%
4 4 0 66.46% 39.00 0 0In the money 0New 73.74%
20 21 +1 67.34% 40.00 3 3In the money 0 73.42%
93 142 +49 66.98% 45.00 0 0In the money 0New 75.88%
Jan 21, 2028EXPIRATION38 contracts / 19 strikes
SAVED STOCK PRICE$25.17Nearest ATM strike $25.00
Jump to ATM
AMSC option chain expiring 2028-01-21, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 74.88% 13.00 2 2 0 87.09%
64 88In the money +24 65.82% 15.00 171 173 +2 71.09%
0 0In the money 0New 73.13% 18.00 0 0 0New 71.06%
105 105In the money 0 70.26% 20.00 133 123 -10 70.29%
64 66In the money +2 72.84% 25.00NEAREST ATM 85 85 0 69.73%
STOCK PRICE $25.17
146 146 0 70.80% 30.00 48 48In the money 0 69.27%
340 340 0 66.37% 35.00 31 31In the money 0 69.82%
100 98 -2 67.09% 40.00 26 26In the money 0 67.51%
210 210 0 67.75% 45.00 18 18In the money 0 66.41%
129 205 +76 67.90% 50.00 51 51In the money 0 62.97%
36 36 0 68.35% 55.00 9 9In the money 0 61.26%
256 257 +1 68.91% 60.00 4 4In the money 0 0.00%
33 33 0 64.70% 65.00 14 14In the money 0 0.00%
32 32 0 69.25% 70.00 7 7In the money 0 70.99%
21 21 0 79.16% 75.00 1 1In the money 0 74.77%
79 79 0 76.91% 80.00 0 0In the money 0New 78.32%
6 6 0 77.86% 85.00 0 0In the money 0New 85.93%
51 51 0 68.04% 90.00 0 0In the money 0New 84.83%
156 156 0 71.01% 95.00 0 0In the money 0New 87.79%
Jan 19, 2029EXPIRATION24 contracts / 12 strikes
SAVED STOCK PRICE$25.17Nearest ATM strike $25.00
Jump to ATM
AMSC option chain expiring 2029-01-19, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
1 1In the money 0 66.11% 15.00 9 9 0 66.29%
0 0In the money 0New 65.30% 18.00 2 2 0 75.79%
0 0In the money 0New 68.60% 20.00 3 3 0 73.87%
0 0In the money 0New 73.29% 23.00 1 1 0 75.44%
3 3In the money 0 66.72% 25.00NEAREST ATM 3 3 0 74.94%
STOCK PRICE $25.17
0 0 0New 65.74% 27.00 4 4In the money 0 73.70%
8 8 0 71.14% 30.00 10 10In the money 0 71.14%
5 5 0 71.08% 32.00 0 0In the money 0New 69.97%
9 9 0 71.24% 35.00 0 0In the money 0New 71.41%
0 0 0New 67.28% 37.00 0 0In the money 0New 70.29%
10 10 0 69.43% 40.00 0 0In the money 0New 69.74%
3 3 0 69.65% 45.00 0 0In the money 0New 68.45%

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