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 Some data may be out of date.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

SRZN

Daily option chain

Daily open interest

vs Oct 20, 2026

Saved stock price: $25.75 · 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
88 contracts / 4 expirationsClick OI for history
Nov 20, 2026EXPIRATION24 contracts / 12 strikes
SAVED STOCK PRICE$25.75Nearest ATM strike $25.00
Jump to ATM
SRZN 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 270.32% 10.00 0 0 0New 190.43%
0 0In the money 0New 214.23% 12.50 2 2 0 160.24%
0 0In the money 0New 168.94% 15.00 1 1 0 135.76%
0 0In the money 0New 148.24% 17.50 3 3 0 115.81%
0 0In the money 0New 114.06% 20.00 0 0 0New 99.78%
0 0In the money 0New 92.66% 22.50 185 185 0 99.53%
7 7In the money 0 95.75% 25.00NEAREST ATM 63 63 0 87.32%
STOCK PRICE $25.75
40 40 0 96.74% 30.00 4 4In the money 0 99.03%
3 3 0 100.62% 35.00 1 1In the money 0 85.38%
0 0 0New 108.21% 40.00 7 7In the money 0 0.00%
0 0 0New 124.35% 45.00 0 0In the money 0New 0.00%
0 0 0New 136.42% 50.00 0 0In the money 0New 0.00%
Dec 18, 2026EXPIRATION16 contracts / 8 strikes
SAVED STOCK PRICE$25.75Nearest ATM strike $25.00
Jump to ATM
SRZN 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 158.27% 12.50 0 0 0New 120.88%
0 0In the money 0New 136.42% 15.00 0 0 0New 109.45%
4 4In the money 0 96.06% 17.50 0 0 0New 94.44%
0 0In the money 0New 92.80% 20.00 0 0 0New 82.80%
27 27In the money 0 88.44% 22.50 0 0 0New 89.19%
0 0In the money 0New 89.23% 25.00NEAREST ATM 0 1 +1New 87.00%
STOCK PRICE $25.75
0 0 0New 87.50% 30.00 0 0In the money 0New 88.20%
0 0 0New 93.54% 35.00 0 0In the money 0New 89.99%
Jan 15, 2027EXPIRATION24 contracts / 12 strikes
SAVED STOCK PRICE$25.75Nearest ATM strike $25.00
Jump to ATM
SRZN option chain expiring 2027-01-15, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 153.10% 10.00 1 1 0 134.18%
0 0In the money 0New 135.74% 12.50 99 99 0 112.43%
0 0In the money 0New 106.87% 15.00 120 120 0 97.57%
0 0In the money 0New 96.19% 17.50 0 0 0New 94.17%
0 0In the money 0New 101.73% 20.00 0 0 0New 89.67%
0 0In the money 0New 84.46% 22.50 0 0 0New 88.34%
13 13In the money 0 84.99% 25.00NEAREST ATM 0 0 0New 87.24%
STOCK PRICE $25.75
65 65 0 86.22% 30.00 0 0In the money 0New 87.33%
0 0 0New 88.37% 35.00 0 0In the money 0New 89.25%
0 0 0New 80.80% 40.00 0 0In the money 0New 91.53%
0 0 0New 89.36% 45.00 0 0In the money 0New 0.00%
0 0 0New 94.83% 50.00 0 0In the money 0New 0.00%
Apr 16, 2027EXPIRATION24 contracts / 12 strikes
SAVED STOCK PRICE$25.75Nearest ATM strike $25.00
Jump to ATM
SRZN option chain expiring 2027-04-16, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
1 1In the money 0 113.82% 10.00 0 0 0New 104.06%
0 0In the money 0New 108.42% 12.50 0 0 0New 91.03%
10 10In the money 0 80.87% 15.00 40 40 0 81.85%
0 0In the money 0New 90.43% 17.50 0 0 0New 82.54%
2 2In the money 0 79.24% 20.00 0 0 0New 81.11%
0 0In the money 0New 77.56% 22.50 0 0 0New 78.64%
6 6In the money 0 79.98% 25.00NEAREST ATM 15 15 0 78.52%
STOCK PRICE $25.75
1 1 0 78.57% 30.00 0 0In the money 0New 77.32%
0 0 0New 76.46% 35.00 0 0In the money 0New 78.20%
0 0 0New 77.40% 40.00 0 0In the money 0New 79.17%
0 0 0New 77.78% 45.00 0 0In the money 0New 81.62%
1 1 0 78.57% 50.00 0 0In the money 0New 0.00%

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