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 Some data may be out of date.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

PKOH

Daily option chain

Daily open interest

vs Oct 20, 2026

Saved stock price: $43.27 · 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, 2026EXPIRATION20 contracts / 10 strikes
SAVED STOCK PRICE$43.27Nearest ATM strike $45.00
Jump to ATM
PKOH 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 115.87% 22.50 0 0 0New 270.51%
0 0In the money 0New 97.54% 25.00 0 0 0New 237.46%
0 0In the money 0New 104.80% 30.00 0 0 0New 180.25%
0 0In the money 0New 75.47% 35.00 0 0 0New 130.55%
0 0In the money 0New 65.85% 40.00 0 0 0New 84.58%
STOCK PRICE $43.27
0 0 0New 70.00% 45.00NEAREST ATM 0 0In the money 0New 45.77%
0 5 +5New 96.96% 50.00 0 0In the money 0New 43.99%
1 1 0 124.04% 55.00 0 0In the money 0New 55.24%
0 0 0New 143.30% 60.00 0 0In the money 0New 66.18%
0 0 0New 161.37% 65.00 0 0In the money 0New 79.28%
Dec 18, 2026EXPIRATION28 contracts / 14 strikes
SAVED STOCK PRICE$43.27Nearest ATM strike $45.00
Jump to ATM
PKOH option chain expiring 2026-12-18, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
2 2In the money 0 182.34% 15.00 0 0 0New 287.24%
0 0In the money 0New 157.39% 17.50 0 0 0New 250.62%
0 0In the money 0New 135.99% 20.00 0 0 0New 219.81%
0 0In the money 0New 117.24% 22.50 0 0 0New 193.10%
0 0In the money 0New 100.53% 25.00 5 5 0 169.48%
5 5In the money 0 82.79% 30.00 0 0 0New 128.60%
9 9In the money 0 67.44% 35.00 0 0 0New 93.11%
101 101In the money 0 52.28% 40.00 1 1 0 59.34%
STOCK PRICE $43.27
0 0 0New 56.82% 45.00NEAREST ATM 6 6In the money 0 36.70%
6 6 0 69.69% 50.00 5 5In the money 0 42.64%
4 4 0 87.75% 55.00 0 0In the money 0New 44.75%
0 0 0New 102.73% 60.00 0 0In the money 0New 0.00%
0 0 0New 115.62% 65.00 0 0In the money 0New 52.02%
4 4 0 126.97% 70.00 0 0In the money 0New 60.95%
Mar 19, 2027EXPIRATION24 contracts / 12 strikes
SAVED STOCK PRICE$43.27Nearest ATM strike $45.00
Jump to ATM
PKOH option chain expiring 2027-03-19, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 83.13% 20.00 0 0 0New 137.95%
0 0In the money 0New 74.24% 22.50 0 0 0New 121.37%
0 0In the money 0New 71.64% 25.00 0 0 0New 106.68%
645 379In the money -266 53.95% 30.00 0 0 0New 81.31%
12 10In the money -2 54.18% 35.00 1 1 0 59.29%
13 13In the money 0 51.67% 40.00 6 6 0 43.86%
STOCK PRICE $43.27
10 10 0 50.54% 45.00NEAREST ATM 0 0In the money 0New 44.41%
51 51 0 44.66% 50.00 1 1In the money 0 40.77%
27 27 0 53.70% 55.00 0 0In the money 0New 40.64%
10 10 0 60.39% 60.00 0 0In the money 0New 41.03%
51 48 -3 48.06% 65.00 0 0In the money 0New 0.00%
7 7 0 63.02% 70.00 0 0In the money 0New 0.00%
Jun 17, 2027EXPIRATION20 contracts / 10 strikes
SAVED STOCK PRICE$43.27Nearest ATM strike $45.00
Jump to ATM
PKOH 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 58.17% 25.00 0 0 0New 85.33%
2 2In the money 0 56.90% 30.00 0 0 0New 65.32%
0 0In the money 0New 51.78% 35.00 0 0 0New 48.97%
0 0In the money 0New 49.82% 40.00 0 0 0New 48.20%
STOCK PRICE $43.27
0 0 0New 50.53% 45.00NEAREST ATM 0 0In the money 0New 45.53%
0 0 0New 46.63% 50.00 0 0In the money 0New 43.56%
0 0 0New 44.97% 55.00 0 0In the money 0New 42.79%
0 0 0New 48.51% 60.00 0 0In the money 0New 45.11%
0 0 0New 54.72% 65.00 0 0In the money 0New 45.90%
0 0 0New 60.36% 70.00 0 0In the money 0New 41.70%

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