OITracker Cboe delayed data
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 Some data may be out of date.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

SIGA

Daily option chain

Daily open interest

vs Oct 20, 2026

Saved stock price: $3.15 · 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
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 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 346.33% 2.00 0 0 0New 633.30%
2 2In the money 0 80.18% 3.00NEAREST ATM 20 30 +10 381.44%
STOCK PRICE $3.15
119 212 +93 73.76% 4.00 29 29In the money 0 278.64%
511 511 0 116.76% 5.00 227 227In the money 0 220.82%
91 91 0 163.15% 6.00 0 0In the money 0New 143.85%
67 67 0 507.54% 7.00 0 0In the money 0New 169.13%
3 3 0 299.55% 1000.00 0 0In the money 0New 249.60%
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 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 254.51% 2.00 0 0 0New 245.88%
51 51In the money 0 81.82% 3.00NEAREST ATM 20 20 0 72.07%
STOCK PRICE $3.15
43 43 0 98.23% 4.00 186 186In the money 0 197.95%
23 23 0 116.77% 5.00 1 1In the money 0 0.00%
9 9 0 126.77% 6.00 0 0In the money 0New 99.46%
0 0 0New 242.42% 7.00 0 0In the money 0New 118.01%
3 3 0 384.36% 8.00 0 0In the money 0New 133.75%
8 8 0 303.44% 9.00 0 0In the money 0New 0.00%
0 0 0New 237.82% 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 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
80 80In the money 0 218.91% 1.80 33 33 0 422.26%
STOCK PRICE $3.15
938 938 0 169.25% 3.80NEAREST ATM 105 105In the money 0 36.53%
1,160 1,159 -1 142.20% 5.80 20 20In the money 0 78.37%
1,471 1,423 -48 158.65% 7.00 0 0In the money 0New 118.37%
1,637 1,637 0 334.44% 8.80 9 9In the money 0 123.69%
26 26 0 356.24% 10.80 0 0In the money 0New 0.00%
45 45 0 376.59% 13.80 0 0In the money 0New 0.00%
72 72 0 176.77% 14.40 0 0In the money 0New 0.00%
37 37 0 504.40% 16.40 0 0In the money 0New 0.00%
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 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
4 4In the money 0 276.79% 2.00 0 0 0New 289.87%
60 60In the money 0 73.43% 3.00NEAREST ATM 136 136 0 79.26%
STOCK PRICE $3.15
948 948 0 211.29% 4.00 0 0In the money 0New 77.77%
655 655 0 72.11% 5.00 14 14In the money 0 100.37%
0 0 0New 168.34% 6.00 0 0In the money 0New 75.60%
1 1 0 230.29% 7.00 0 0In the money 0New 88.95%
0 0 0New 149.66% 1000.00 0 0In the money 0New 0.00%
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 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 106.84% 2.00 0 0 0New 246.23%
0 0In the money 0New 125.57% 3.00NEAREST ATM 0 0 0New 92.49%
STOCK PRICE $3.15
0 1 +1New 140.09% 4.00 0 0In the money 0New 124.13%
0 0 0New 150.37% 5.00 0 0In the money 0New 94.75%
0 0 0New 162.84% 6.00 0 0In the money 0New 91.38%
0 0 0New 0.00% 1000.00 0 0In the money 0New 0.00%

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