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 Some data may be out of date.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

STEP

Daily option chain

Daily open interest

vs Oct 20, 2026

Saved stock price: $43.47 · 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
92 contracts / 4 expirationsClick OI for history
Nov 20, 2026EXPIRATION22 contracts / 11 strikes
SAVED STOCK PRICE$43.47Nearest ATM strike $45.00
Jump to ATM
STEP 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 134.59% 25.00 32 32 0 178.02%
6 6In the money 0 110.13% 30.00 0 0 0New 126.45%
0 0In the money 0New 81.03% 35.00 1 1 0 97.59%
0 0In the money 0New 67.04% 40.00 4 4 0 63.73%
STOCK PRICE $43.47
74 74 0 60.00% 45.00NEAREST ATM 0 0In the money 0New 68.69%
400 405 +5 54.08% 50.00 0 0In the money 0New 46.86%
0 0 0New 89.60% 55.00 0 0In the money 0New 54.29%
0 0 0New 107.01% 60.00 0 0In the money 0New 0.00%
0 0 0New 122.44% 65.00 0 0In the money 0New 0.00%
0 0 0New 135.88% 70.00 0 0In the money 0New 0.00%
0 0 0New 148.68% 75.00 0 0In the money 0New 0.00%
Dec 18, 2026EXPIRATION26 contracts / 13 strikes
SAVED STOCK PRICE$43.47Nearest ATM strike $45.00
Jump to ATM
STEP option chain expiring 2026-12-18, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
27 27In the money 0 116.05% 22.50 1 1 0 147.43%
17 17In the money 0 107.84% 25.00 15 15 0 129.17%
468 468In the money 0 70.87% 30.00 40 40 0 77.04%
73 73In the money 0 72.17% 35.00 107 107 0 61.28%
155 154In the money -1 57.98% 40.00 50 50 0 56.12%
STOCK PRICE $43.47
131 131 0 54.47% 45.00NEAREST ATM 489 489In the money 0 53.34%
139 139 0 49.59% 50.00 17 17In the money 0 40.95%
11 11 0 66.94% 55.00 33 33In the money 0 35.58%
13 13 0 78.44% 60.00 26 26In the money 0 0.00%
66 66 0 61.56% 65.00 0 0In the money 0New 0.00%
13 13 0 99.15% 70.00 0 0In the money 0New 0.00%
76 76 0 74.62% 75.00 0 0In the money 0New 0.00%
2 2 0 115.98% 80.00 0 0In the money 0New 0.00%
Mar 19, 2027EXPIRATION24 contracts / 12 strikes
SAVED STOCK PRICE$43.47Nearest ATM strike $45.00
Jump to ATM
STEP option chain expiring 2027-03-19, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
13 13In the money 0 87.90% 22.50 0 0 0New 95.78%
1 1In the money 0 80.46% 25.00 1 1 0 85.62%
1 1In the money 0 64.65% 30.00 4 4 0 67.96%
13 13In the money 0 60.22% 35.00 34 34 0 52.60%
12 12In the money 0 58.39% 40.00 8 8 0 50.22%
STOCK PRICE $43.47
17 17 0 52.71% 45.00NEAREST ATM 40 40In the money 0 48.91%
9 9 0 50.86% 50.00 0 0In the money 0New 48.37%
0 0 0New 47.68% 55.00 32 33In the money +1 46.63%
8 8 0 52.71% 60.00 7 7In the money 0 41.76%
10,000 10,000 0 57.51% 65.00 1 1In the money 0 0.00%
51 51 0 62.90% 70.00 0 0In the money 0New 43.26%
52 52 0 50.44% 75.00 0 0In the money 0New 0.00%
Jun 17, 2027EXPIRATION20 contracts / 10 strikes
SAVED STOCK PRICE$43.47Nearest ATM strike $45.00
Jump to ATM
STEP option chain expiring 2027-06-17, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
4 4In the money 0 75.71% 22.50 0 0 0New 78.38%
0 0In the money 0New 69.33% 25.00 0 0 0New 71.30%
0 0In the money 0New 64.38% 30.00 0 0 0New 57.92%
0 1In the money +1New 59.13% 35.00 0 0 0New 56.15%
0 0In the money 0New 57.65% 40.00 1 1 0 57.11%
STOCK PRICE $43.47
0 0 0New 53.62% 45.00NEAREST ATM 0 0In the money 0New 49.47%
0 0 0New 52.72% 50.00 0 0In the money 0New 49.95%
0 0 0New 50.58% 55.00 0 3In the money +3New 47.37%
0 0 0New 50.00% 60.00 0 0In the money 0New 46.82%
0 0 0New 48.79% 65.00 1 1In the money 0 44.93%

Click an OI number to view that contract's history. Click an expiration to show or hide its contracts. Unobserved daily OI is treated as zero; an empty call/put side means no contract at that strike.

←→ Saved days

Contract OI history

Open full view