OI update signal: Not confirmed MSFT / AAPL · Checked Oct 23, 09:56 EDT
The latest collection has not completed. Some symbols may not be updated yet.
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

BIRK

Daily option chain

Daily open interest

vs Oct 20, 2026

Saved stock price: $33.51 · 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
198 contracts / 6 expirationsClick OI for history
Nov 20, 2026EXPIRATION26 contracts / 13 strikes
SAVED STOCK PRICE$33.51Nearest ATM strike $32.50
Jump to ATM
BIRK 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 0.00% 15.00 3 3 0 206.04%
0 0In the money 0New 0.00% 17.50 0 0 0New 180.93%
0 0In the money 0New 0.00% 20.00 0 0 0New 142.44%
0 0In the money 0New 0.00% 22.50 1 1 0 116.10%
0 0In the money 0New 67.74% 25.00 439 439 0 92.04%
1 1In the money 0 63.30% 27.50 314 318 +4 51.92%
169 169In the money 0 61.87% 30.00 409 516 +107 49.58%
70 72In the money +2 49.96% 32.50NEAREST ATM 224 232 +8 46.88%
STOCK PRICE $33.51
7,572 7,458 -114 49.26% 35.00 545 545In the money 0 44.97%
918 919 +1 48.46% 37.50 221 221In the money 0 37.99%
40 47 +7 60.69% 40.00 0 0In the money 0New 56.83%
515 515 0 67.66% 42.50 0 0In the money 0New 88.49%
5 7 +2 78.71% 45.00 0 0In the money 0New 81.47%
Dec 18, 2026EXPIRATION28 contracts / 14 strikes
SAVED STOCK PRICE$33.51Nearest ATM strike $32.50
Jump to ATM
BIRK 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 0.00% 17.50 0 0 0New 72.75%
0 0In the money 0New 0.00% 20.00 0 0 0New 102.79%
0 0In the money 0New 0.00% 22.50 0 1 +1New 78.79%
1 1In the money 0 24.57% 25.00 0 0 0New 65.83%
0 0In the money 0New 49.38% 27.50 5 6 +1 54.36%
59 59In the money 0 57.89% 30.00 88 129 +41 50.98%
14 64In the money +50 59.31% 32.50NEAREST ATM 51 66 +15 52.84%
STOCK PRICE $33.51
51 60 +9 47.86% 35.00 1 1In the money 0 45.66%
102 113 +11 50.62% 37.50 0 5In the money +5New 51.53%
18 19 +1 48.07% 40.00 1 1In the money 0 63.35%
0 0 0New 47.97% 42.50 0 0In the money 0New 56.71%
0 0 0New 54.04% 45.00 0 0In the money 0New 74.21%
0 0 0New 62.19% 47.50 0 0In the money 0New 68.62%
0 0 0New 65.33% 50.00 0 0In the money 0New 75.85%
Jan 15, 2027EXPIRATION48 contracts / 24 strikes
SAVED STOCK PRICE$33.51Nearest ATM strike $32.50
Jump to ATM
BIRK option chain expiring 2027-01-15, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
18 18In the money 0 0.00% 17.50 32 32 0 112.14%
199 199In the money 0 68.51% 20.00 44 44 0 88.11%
101 101In the money 0 0.00% 22.50 492 492 0 63.88%
32 29In the money -3 0.00% 25.00 1,004 1,004 0 57.44%
27 27In the money 0 43.54% 27.50 470 470 0 52.58%
221 226In the money +5 44.57% 30.00 418 433 +15 51.70%
92 93In the money +1 43.45% 32.50NEAREST ATM 346 346 0 49.76%
STOCK PRICE $33.51
231 232 +1 47.78% 35.00 1,592 1,602In the money +10 47.91%
1,129 1,129 0 50.65% 37.50 108 108In the money 0 53.55%
527 537 +10 50.70% 40.00 139 139In the money 0 55.21%
107 107 0 50.11% 42.50 18 18In the money 0 61.72%
613 613 0 47.46% 45.00 145 145In the money 0 60.52%
54 54 0 57.96% 47.50 16 16In the money 0 62.79%
849 849 0 61.38% 50.00 50 50In the money 0 72.96%
40 40 0 53.07% 52.50 0 0In the money 0New 66.11%
33 33 0 74.67% 55.00 0 0In the money 0New 76.26%
56 56 0 75.91% 57.50 0 0In the money 0New 79.77%
70 70 0 80.15% 60.00 0 0In the money 0New 79.24%
156 156 0 87.94% 65.00 0 0In the money 0New 91.68%
8 8 0 97.83% 70.00 0 0In the money 0New 99.69%
18 18 0 104.31% 75.00 0 0In the money 0New 103.13%
4 4 0 110.25% 80.00 0 0In the money 0New 115.78%
0 0 0New 115.72% 85.00 0 0In the money 0New 120.27%
112 112 0 120.80% 90.00 0 0In the money 0New 126.21%
Apr 16, 2027EXPIRATION30 contracts / 15 strikes
SAVED STOCK PRICE$33.51Nearest ATM strike $32.50
Jump to ATM
BIRK option chain expiring 2027-04-16, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 0.00% 17.50 0 0 0New 66.34%
149 149In the money 0 0.00% 20.00 10 10 0 59.16%
0 0In the money 0New 55.22% 22.50 22 22 0 52.91%
10 10In the money 0 57.17% 25.00 33 33 0 53.00%
5 5In the money 0 53.00% 27.50 37 37 0 52.44%
19 19In the money 0 49.05% 30.00 1,019 1,019 0 51.72%
23 23In the money 0 52.30% 32.50NEAREST ATM 33 37 +4 50.31%
STOCK PRICE $33.51
104 104 0 53.96% 35.00 5 43In the money +38 48.12%
27 27 0 50.34% 37.50 38 43In the money +5 50.33%
1,023 1,031 +8 51.16% 40.00 2 2In the money 0 47.84%
13 13 0 53.70% 42.50 0 0In the money 0New 46.89%
2 2 0 50.54% 45.00 0 0In the money 0New 50.94%
0 9 +9New 50.86% 47.50 8 8In the money 0 50.60%
11 11 0 50.81% 50.00 2 2In the money 0 51.36%
6 6 0 50.25% 55.00 0 0In the money 0New 58.05%
Jan 21, 2028EXPIRATION40 contracts / 20 strikes
SAVED STOCK PRICE$33.51Nearest ATM strike $32.50
Jump to ATM
BIRK option chain expiring 2028-01-21, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
1,270 1,270In the money 0 56.98% 17.50 30 30 0 65.07%
1,058 1,057In the money -1 44.53% 20.00 215 216 +1 51.94%
82 82In the money 0 50.48% 22.50 6 6 0 50.66%
157 157In the money 0 51.04% 25.00 11 11 0 51.59%
227 227In the money 0 46.58% 27.50 33 33 0 53.45%
1,735 1,735In the money 0 54.82% 30.00 215 216 +1 51.24%
397 397In the money 0 47.90% 32.50NEAREST ATM 591 591 0 50.13%
STOCK PRICE $33.51
881 881 0 48.58% 35.00 84 84In the money 0 50.28%
435 435 0 47.71% 37.50 13 13In the money 0 51.98%
461 461 0 51.89% 40.00 42 42In the money 0 49.12%
825 825 0 51.70% 42.50 113 113In the money 0 51.75%
226 228 +2 50.62% 45.00 126 126In the money 0 52.03%
185 185 0 51.10% 47.50 5 5In the money 0 52.53%
2,219 2,219 0 50.62% 50.00 187 187In the money 0 53.26%
12 12 0 52.30% 52.50 29 29In the money 0 53.20%
46 46 0 55.59% 55.00 320 320In the money 0 46.76%
57 57 0 56.97% 57.50 3 3In the money 0 48.00%
56 56 0 46.37% 60.00 5 5In the money 0 55.13%
59 59 0 53.32% 65.00 1 1In the money 0 56.03%
1,094 1,094 0 51.66% 70.00 0 0In the money 0New 52.43%
Jan 19, 2029EXPIRATION26 contracts / 13 strikes
SAVED STOCK PRICE$33.51Nearest ATM strike $32.50
Jump to ATM
BIRK option chain expiring 2029-01-19, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
2 2In the money 0 60.28% 17.50 0 0 0New 53.59%
3 3In the money 0 57.50% 20.00 0 1 +1New 50.47%
3 3In the money 0 53.93% 22.50 0 0 0New 51.43%
2 2In the money 0 52.78% 25.00 1 1 0 53.16%
0 0In the money 0New 51.73% 27.50 2 2 0 53.24%
43 43In the money 0 51.71% 30.00 42 42 0 52.03%
52 52In the money 0 54.34% 32.50NEAREST ATM 2 2 0 48.35%
STOCK PRICE $33.51
56 56 0 51.21% 35.00 4 4In the money 0 52.42%
1 1 0 49.51% 37.50 128 128In the money 0 47.72%
0 0 0New 54.38% 40.00 0 0In the money 0New 50.65%
0 0 0New 49.12% 42.50 1 1In the money 0 46.32%
43 45 +2 49.86% 45.00 3 3In the money 0 50.77%
2 2 0 51.86% 47.50 1 1In the money 0 48.58%

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