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 Some data may be out of date.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

WLK

Daily option chain

Daily open interest

vs Oct 21, 2026

Saved stock price: $64.25 · 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
200 contracts / 5 expirationsClick OI for history
Nov 20, 2026EXPIRATION30 contracts / 15 strikes
SAVED STOCK PRICE$64.25Nearest ATM strike $65.00
Jump to ATM
WLK option chain expiring 2026-11-20, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 116.59% 35.00 0 0 0New 110.64%
0 0In the money 0New 58.90% 40.00 0 0 0New 185.60%
0 0In the money 0New 81.44% 45.00 0 0 0New 151.87%
0 0In the money 0New 62.89% 50.00 2 2 0 86.24%
0 0In the money 0New 57.65% 55.00 106 109 +3 57.56%
1 1In the money 0 50.50% 60.00 30 30 0 49.39%
STOCK PRICE $64.25
10 11 +1 56.00% 65.00NEAREST ATM 29 29In the money 0 52.65%
8 9 +1 57.22% 70.00 0 0In the money 0New 43.46%
11 11 0 50.58% 75.00 1 1In the money 0 44.44%
8 11 +3 79.05% 80.00 0 0In the money 0New 0.00%
0 0 0New 98.67% 85.00 0 0In the money 0New 0.00%
0 0 0New 126.97% 90.00 0 0In the money 0New 0.00%
0 0 0New 138.74% 95.00 0 0In the money 0New 0.00%
21 21 0 149.53% 100.00 0 0In the money 0New 0.00%
0 0 0New 159.50% 105.00 0 0In the money 0New 0.00%
Dec 18, 2026EXPIRATION60 contracts / 30 strikes
SAVED STOCK PRICE$64.25Nearest ATM strike $65.00
Jump to ATM
WLK option chain expiring 2026-12-18, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 96.24% 35.00 0 0 0New 108.84%
0 0In the money 0New 65.80% 40.00 0 0 0New 93.92%
0 0In the money 0New 67.70% 45.00 10 10 0 106.53%
0 0In the money 0New 55.08% 50.00 4 4 0 71.38%
0 0In the money 0New 53.15% 55.00 262 262 0 45.78%
0 0In the money 0New 50.26% 60.00 55 55 0 46.25%
STOCK PRICE $64.25
1 1 0 49.42% 65.00NEAREST ATM 4 4In the money 0 45.35%
1 4 +3 47.68% 70.00 8 8In the money 0 43.46%
4 11 +7 46.02% 75.00 2 2In the money 0 40.30%
668 668 0 48.02% 80.00 17 17In the money 0 40.19%
40 40 0 70.14% 85.00 27 27In the money 0 0.00%
14 14 0 91.40% 90.00 0 0In the money 0New 0.00%
80 80 0 99.71% 95.00 20 20In the money 0 0.00%
25 25 0 78.58% 100.00 0 0In the money 0New 0.00%
0 0 0New 114.37% 105.00 0 0In the money 0New 0.00%
191 191 0 120.91% 110.00 0 0In the money 0New 0.00%
7 7 0 127.03% 115.00 0 0In the money 0New 0.00%
20 20 0 132.77% 120.00 0 0In the money 0New 0.00%
1 1 0 138.18% 125.00 0 0In the money 0New 0.00%
12 12 0 143.30% 130.00 0 0In the money 0New 0.00%
2 2 0 148.14% 135.00 0 0In the money 0New 0.00%
7 7 0 152.75% 140.00 0 0In the money 0New 0.00%
5 5 0 157.14% 145.00 0 0In the money 0New 0.00%
20 20 0 161.33% 150.00 0 0In the money 0New 0.00%
3 3 0 165.34% 155.00 0 0In the money 0New 0.00%
4 4 0 169.18% 160.00 0 0In the money 0New 0.00%
4 4 0 172.88% 165.00 0 0In the money 0New 0.00%
17 17 0 176.42% 170.00 0 0In the money 0New 0.00%
3 3 0 179.84% 175.00 0 0In the money 0New 0.00%
20 20 0 183.13% 180.00 0 0In the money 0New 0.00%
Jan 15, 2027EXPIRATION46 contracts / 23 strikes
SAVED STOCK PRICE$64.25Nearest ATM strike $65.00
Jump to ATM
WLK option chain expiring 2027-01-15, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 82.86% 35.00 0 0 0New 92.08%
1 1In the money 0 71.63% 40.00 4 5 +1 106.88%
1 1In the money 0 58.84% 45.00 8 8 0 87.27%
0 0In the money 0New 52.70% 50.00 15 15 0 61.91%
2 2In the money 0 49.88% 55.00 10 10 0 49.00%
15 18In the money +3 49.37% 60.00 29 27 -2 43.22%
STOCK PRICE $64.25
2 443 +441 44.49% 65.00NEAREST ATM 1 1In the money 0 43.35%
4 4 0 41.28% 70.00 0 0In the money 0New 41.31%
40 40 0 50.66% 75.00 0 0In the money 0New 38.28%
8 8 0 48.23% 80.00 0 0In the money 0New 35.38%
1 1 0 60.77% 85.00 0 0In the money 0New 0.00%
0 0 0New 65.83% 90.00 1 1In the money 0 0.00%
1 1 0 81.40% 95.00 0 0In the money 0New 0.00%
14 14 0 87.63% 100.00 0 0In the money 0New 0.00%
0 0 0New 66.52% 105.00 0 0In the money 0New 0.00%
0 0 0New 98.74% 110.00 0 0In the money 0New 0.00%
20 20 0 103.74% 115.00 0 0In the money 0New 0.00%
16 16 0 108.43% 120.00 0 0In the money 0New 0.00%
1 1 0 112.86% 125.00 0 0In the money 0New 0.00%
0 0 0New 117.04% 130.00 0 0In the money 0New 0.00%
1 1 0 121.00% 135.00 0 0In the money 0New 0.00%
2 2 0 124.76% 140.00 0 0In the money 0New 0.00%
5 5 0 99.07% 145.00 0 0In the money 0New 0.00%
Apr 16, 2027EXPIRATION34 contracts / 17 strikes
SAVED STOCK PRICE$64.25Nearest ATM strike $65.00
Jump to ATM
WLK option chain expiring 2027-04-16, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 59.75% 35.00 2 3 +1 90.32%
0 0In the money 0New 49.20% 40.00 2 2 0 75.05%
0 0In the money 0New 50.38% 45.00 0 0 0New 61.95%
0 0In the money 0New 48.30% 50.00 5 5 0 49.86%
0 0In the money 0New 47.13% 55.00 139 139 0 48.44%
0 1In the money +1New 44.62% 60.00 0 0 0New 46.16%
STOCK PRICE $64.25
2 3 +1 43.59% 65.00NEAREST ATM 1 1In the money 0 43.64%
13 13 0 43.24% 70.00 0 0In the money 0New 43.34%
70 70 0 44.51% 75.00 0 0In the money 0New 41.85%
1 1 0 42.00% 80.00 0 0In the money 0New 41.58%
560 560 0 51.42% 85.00 0 0In the money 0New 41.10%
0 0 0New 51.39% 90.00 2 2In the money 0 41.49%
0 0 0New 55.95% 95.00 0 0In the money 0New 39.88%
2 2 0 60.30% 100.00 0 0In the money 0New 37.80%
0 0 0New 63.06% 105.00 0 0In the money 0New 41.84%
185 185 0 65.88% 110.00 0 0In the money 0New 0.00%
2 2 0 71.32% 115.00 0 0In the money 0New 0.00%
Dec 17, 2027EXPIRATION30 contracts / 15 strikes
SAVED STOCK PRICE$64.25Nearest ATM strike $65.00
Jump to ATM
WLK option chain expiring 2027-12-17, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 53.67% 35.00 0 0 0New 53.11%
0 0In the money 0New 51.02% 40.00 0 0 0New 50.93%
0 0In the money 0New 48.56% 45.00 2 2 0 47.46%
0 0In the money 0New 47.51% 50.00 0 0 0New 46.45%
0 0In the money 0New 46.22% 55.00 3 0 -3 45.16%
0 0In the money 0New 44.79% 60.00 141 141 0 45.73%
STOCK PRICE $64.25
2 2 0 47.16% 65.00NEAREST ATM 1 1In the money 0 44.92%
4 4 0 45.03% 70.00 70 70In the money 0 44.89%
0 0 0New 44.05% 75.00 0 0In the money 0New 43.79%
6 6 0 44.47% 80.00 1 1In the money 0 43.61%
0 0 0New 43.32% 85.00 0 0In the money 0New 43.50%
70 70 0 43.42% 90.00 0 0In the money 0New 42.45%
0 0 0New 43.10% 95.00 0 0In the money 0New 42.76%
168 168 0 42.60% 100.00 0 0In the money 0New 43.63%
0 0 0New 43.30% 105.00 0 0In the money 0New 43.82%

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