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 Some data may be out of date.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

BLCO

Daily option chain

Daily open interest

vs Oct 20, 2026

Saved stock price: $17.43 · 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
170 contracts / 5 expirationsClick OI for history
Nov 20, 2026EXPIRATION36 contracts / 18 strikes
SAVED STOCK PRICE$17.43Nearest ATM strike $17.00
Jump to ATM
BLCO 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% 9.00 0 0 0New 312.53%
0 0In the money 0New 0.00% 10.00 0 0 0New 275.44%
0 0In the money 0New 0.00% 11.00 0 0 0New 330.74%
25 25In the money 0 0.00% 12.00 0 0 0New 292.93%
98 98In the money 0 75.76% 13.00 2 2 0 85.18%
125 125In the money 0 0.00% 14.00 6 6 0 226.05%
94 94In the money 0 76.56% 15.00 89 89 0 66.32%
26 32In the money +6 54.98% 16.00 140 140 0 57.04%
606 642In the money +36 48.41% 17.00NEAREST ATM 66 73 +7 50.09%
STOCK PRICE $17.43
313 366 +53 49.76% 18.00 0 0In the money 0New 47.50%
218 138 -80 57.21% 19.00 0 0In the money 0New 83.82%
884 992 +108 54.52% 20.00 0 0In the money 0New 67.18%
38 38 0 86.51% 21.00 0 0In the money 0New 68.65%
1 1 0 201.97% 22.00 0 0In the money 0New 119.16%
0 0 0New 156.41% 23.00 0 0In the money 0New 60.98%
0 0 0New 166.90% 24.00 0 0In the money 0New 76.41%
0 0 0New 125.78% 25.00 0 0In the money 0New 83.99%
0 0 0New 267.13% 30.00 0 0In the money 0New 130.17%
Dec 18, 2026EXPIRATION44 contracts / 22 strikes
SAVED STOCK PRICE$17.43Nearest ATM strike $17.00
Jump to ATM
BLCO 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% 3.00 0 0 0New 0.00%
1 1In the money 0 0.00% 5.00 0 0 0New 525.89%
65 65In the money 0 0.00% 8.00 0 0 0New 233.22%
0 0In the money 0New 0.00% 9.00 0 0 0New 240.68%
153 131In the money -22 71.40% 10.00 11 11 0 91.48%
0 0In the money 0New 101.34% 11.00 0 0 0New 190.54%
435 435In the money 0 0.00% 12.00 1 1 0 207.74%
0 17In the money +17New 0.00% 13.00 0 0 0New 97.14%
5 6In the money +1 37.84% 14.00 0 0 0New 126.05%
5 5In the money 0 68.97% 15.00 119 119 0 41.26%
45 46In the money +1 12.32% 16.00 0 0 0New 46.27%
121 154In the money +33 44.11% 17.00NEAREST ATM 0 0 0New 43.88%
STOCK PRICE $17.43
9 71 +62 42.50% 18.00 0 0In the money 0New 31.38%
4 5 +1 44.74% 19.00 0 0In the money 0New 62.15%
144 144 0 47.53% 20.00 0 0In the money 0New 53.33%
0 0 0New 44.46% 21.00 0 0In the money 0New 59.07%
26 25 -1 48.20% 22.00 0 0In the money 0New 50.75%
0 0 0New 72.23% 23.00 0 0In the money 0New 55.60%
0 0 0New 62.02% 24.00 0 0In the money 0New 61.66%
125 125 0 61.18% 25.00 1 1In the money 0 86.49%
4 4 0 64.98% 27.00 3 3In the money 0 0.00%
3 3 0 154.01% 30.00 1 1In the money 0 121.89%
Feb 19, 2027EXPIRATION38 contracts / 19 strikes
SAVED STOCK PRICE$17.43Nearest ATM strike $17.00
Jump to ATM
BLCO option chain expiring 2027-02-19, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 103.69% 7.00 0 0 0New 126.33%
0 0In the money 0New 0.00% 8.00 0 0 0New 176.99%
0 0In the money 0New 0.00% 9.00 0 0 0New 96.16%
0 0In the money 0New 0.00% 10.00 0 0 0New 162.55%
0 0In the money 0New 0.00% 11.00 0 0 0New 145.83%
4 4In the money 0 50.60% 12.00 0 0 0New 97.16%
22 41In the money +19 47.41% 13.00 1 1 0 51.67%
56 55In the money -1 70.08% 14.00 2 2 0 112.32%
0 0In the money 0New 49.23% 15.00 1 1 0 33.11%
1 1In the money 0 63.14% 16.00 1 1 0 27.86%
0 0In the money 0New 35.27% 17.00NEAREST ATM 1 1 0 26.66%
STOCK PRICE $17.43
14 14 0 38.30% 18.00 1 1In the money 0 23.72%
7 7 0 34.83% 19.00 0 0In the money 0New 12.20%
10 10 0 37.05% 20.00 0 0In the money 0New 40.70%
1 1 0 39.19% 21.00 0 0In the money 0New 44.27%
1 1 0 38.98% 22.00 0 0In the money 0New 43.36%
3 3 0 95.05% 23.00 0 0In the money 0New 61.88%
2 2 0 90.47% 25.00 0 0In the money 0New 51.18%
1 1 0 117.82% 30.00 0 0In the money 0New 66.56%
May 21, 2027EXPIRATION34 contracts / 17 strikes
SAVED STOCK PRICE$17.43Nearest ATM strike $17.00
Jump to ATM
BLCO option chain expiring 2027-05-21, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 0.00% 9.00 0 0 0New 61.60%
0 0In the money 0New 0.00% 10.00 0 0 0New 68.24%
0 0In the money 0New 46.80% 11.00 0 0 0New 59.10%
0 0In the money 0New 52.20% 12.00 0 0 0New 46.73%
0 0In the money 0New 41.95% 13.00 0 1 +1New 39.25%
0 0In the money 0New 38.58% 14.00 82 82 0 53.65%
2 2In the money 0 39.17% 15.00 40 40 0 75.73%
0 0In the money 0New 49.97% 16.00 0 0 0New 36.13%
0 0In the money 0New 52.93% 17.00NEAREST ATM 0 0 0New 53.75%
STOCK PRICE $17.43
2 2 0 56.50% 18.00 0 0In the money 0New 26.60%
7 7 0 32.73% 19.00 7 7In the money 0 42.55%
0 0 0New 33.30% 20.00 0 0In the money 0New 35.74%
2 2 0 71.39% 21.00 0 0In the money 0New 46.82%
0 0 0New 37.32% 22.00 0 0In the money 0New 35.21%
0 0 0New 41.81% 23.00 0 0In the money 0New 39.30%
0 0 0New 41.31% 24.00 0 0In the money 0New 43.11%
0 0 0New 43.75% 25.00 0 0In the money 0New 45.23%
Dec 17, 2027EXPIRATION18 contracts / 9 strikes
SAVED STOCK PRICE$17.43Nearest ATM strike $17.00
Jump to ATM
BLCO option chain expiring 2027-12-17, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 42.43% 8.00 0 0 0New 61.99%
0 0In the money 0New 41.12% 10.00 0 0 0New 50.96%
0 0In the money 0New 39.70% 13.00 50 50 0 72.71%
0 0In the money 0New 35.04% 15.00 0 0 0New 56.06%
0 0In the money 0New 35.62% 17.00NEAREST ATM 0 0 0New 40.70%
STOCK PRICE $17.43
9 9 0 52.44% 20.00 0 0In the money 0New 36.39%
5 5 0 52.41% 22.00 0 0In the money 0New 37.14%
0 0 0New 60.74% 25.00 0 0In the money 0New 37.98%
0 0 0New 72.21% 30.00 0 0In the money 0New 43.70%

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