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

SIGA

Daily option chain

Daily open interest

vs Oct 16, 2026

Saved stock price: $3.15 · Expirations before Oct 20, 2026 hidden automatically.

ITM In the money Unshaded: out of the money ATM Strike equals stock price Based on the saved stock price
76 contracts / 5 expirationsClick OI for history
Nov 20, 2026EXPIRATION14 contracts / 7 strikes
SAVED STOCK PRICE$3.15Nearest ATM strike $3.00
Jump to ATM
SIGA option chain expiring 2026-11-20, open interest on 2026-10-20 compared with 2026-10-16
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 169.89% 2.00 0 0 0New 613.55%
0 2In the money +2New 89.61% 3.00NEAREST ATM 20 20 0 64.53%
STOCK PRICE $3.15
119 119 0 370.93% 4.00 29 29In the money 0 154.94%
511 511 0 203.89% 5.00 227 227In the money 0 0.00%
91 91 0 156.96% 6.00 0 0In the money 0New 147.22%
67 67 0 488.96% 7.00 0 0In the money 0New 146.80%
3 3 0 361.83% 1000.00 0 0In the money 0New 242.05%
Dec 18, 2026EXPIRATION18 contracts / 9 strikes
SAVED STOCK PRICE$3.15Nearest ATM strike $3.00
Jump to ATM
SIGA option chain expiring 2026-12-18, open interest on 2026-10-20 compared with 2026-10-16
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 71.49% 2.00 0 0 0New 445.09%
51 51In the money 0 264.41% 3.00NEAREST ATM 20 20 0 71.71%
STOCK PRICE $3.15
43 43 0 95.75% 4.00 186 186In the money 0 0.00%
23 23 0 114.14% 5.00 1 1In the money 0 144.16%
9 9 0 124.05% 6.00 0 0In the money 0New 85.26%
0 0 0New 318.14% 7.00 0 0In the money 0New 102.58%
3 3 0 255.71% 8.00 0 0In the money 0New 117.46%
8 8 0 392.37% 9.00 0 0In the money 0New 274.99%
0 0 0New 316.16% 1000.00 0 0In the money 0New 0.00%
Jan 15, 2027EXPIRATION18 contracts / 9 strikes
SAVED STOCK PRICE$3.15Nearest ATM strike $3.80
Jump to ATM
SIGA option chain expiring 2027-01-15, open interest on 2026-10-20 compared with 2026-10-16
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
80 80In the money 0 208.83% 1.80 33 33 0 418.91%
STOCK PRICE $3.15
814 938 +124 85.25% 3.80NEAREST ATM 105 105In the money 0 68.28%
1,160 1,160 0 106.14% 5.80 20 20In the money 0 109.93%
1,471 1,471 0 154.88% 7.00 0 0In the money 0New 109.08%
1,637 1,637 0 222.41% 8.80 9 9In the money 0 132.96%
26 26 0 224.77% 10.80 0 0In the money 0New 123.30%
45 45 0 336.07% 13.80 0 0In the money 0New 147.37%
72 72 0 173.34% 14.40 0 0In the money 0New 151.49%
37 37 0 493.94% 16.40 0 0In the money 0New 164.17%
Mar 19, 2027EXPIRATION14 contracts / 7 strikes
SAVED STOCK PRICE$3.15Nearest ATM strike $3.00
Jump to ATM
SIGA option chain expiring 2027-03-19, open interest on 2026-10-20 compared with 2026-10-16
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
4 4In the money 0 268.95% 2.00 0 0 0New 134.37%
61 60In the money -1 70.02% 3.00NEAREST ATM 136 136 0 63.65%
STOCK PRICE $3.15
948 948 0 102.90% 4.00 0 0In the money 0New 145.38%
650 655 +5 70.34% 5.00 14 14In the money 0 105.64%
0 0 0New 152.76% 6.00 0 0In the money 0New 94.67%
1 1 0 213.84% 7.00 0 0In the money 0New 86.43%
0 0 0New 148.50% 1000.00 0 0In the money 0New 576.18%
Jun 17, 2027EXPIRATION12 contracts / 6 strikes
SAVED STOCK PRICE$3.15Nearest ATM strike $3.00
Jump to ATM
SIGA option chain expiring 2027-06-17, open interest on 2026-10-20 compared with 2026-10-16
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 104.21% 2.00 0 0 0New 245.92%
0 0In the money 0New 129.42% 3.00NEAREST ATM 0 0 0New 167.68%
STOCK PRICE $3.15
0 0 0New 140.97% 4.00 0 0In the money 0New 124.44%
0 0 0New 153.62% 5.00 0 0In the money 0New 100.39%
0 0 0New 163.64% 6.00 0 0In the money 0New 92.40%
0 0 0New 0.00% 1000.00 0 0In the money 0New 0.00%

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