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 Some data may be out of date.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

HALO

Daily option chain

Daily open interest

vs Oct 21, 2026

Saved stock price: $125.43 · 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
362 contracts / 7 expirationsClick OI for history
Nov 20, 2026EXPIRATION44 contracts / 22 strikes
SAVED STOCK PRICE$125.43Nearest ATM strike $125.00
Jump to ATM
HALO 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 0.00% 55.00 0 0 0New 189.50%
0 0In the money 0New 0.00% 60.00 0 0 0New 171.82%
0 0In the money 0New 0.00% 65.00 0 0 0New 155.56%
0 0In the money 0New 0.00% 70.00 5 5 0 140.48%
0 0In the money 0New 0.00% 75.00 0 0 0New 116.65%
0 0In the money 0New 0.00% 80.00 0 0 0New 104.94%
0 0In the money 0New 66.06% 85.00 1 1 0 101.13%
3 3In the money 0 0.00% 90.00 1 1 0 73.42%
1 1In the money 0 0.00% 95.00 10 10 0 63.39%
15 15In the money 0 0.00% 100.00 27 27 0 53.69%
15 15In the money 0 42.47% 105.00 58 67 +9 56.17%
797 796In the money -1 39.73% 110.00 46 56 +10 48.14%
65 65In the money 0 43.28% 115.00 57 57 0 44.32%
169 174In the money +5 39.76% 120.00 26 34 +8 45.58%
202 204In the money +2 41.51% 125.00NEAREST ATM 12 12 0 46.91%
STOCK PRICE $125.43
87 90 +3 40.85% 130.00 2 11In the money +9 43.33%
1,012 1,017 +5 36.98% 135.00 0 0In the money 0New 45.15%
43 53 +10 39.97% 140.00 0 0In the money 0New 44.88%
3 3 0 51.32% 145.00 0 0In the money 0New 47.50%
4 4 0 47.65% 150.00 0 0In the money 0New 52.10%
0 0 0New 60.25% 155.00 0 0In the money 0New 51.09%
0 0 0New 62.82% 160.00 0 0In the money 0New 47.83%
Dec 18, 2026EXPIRATION52 contracts / 26 strikes
SAVED STOCK PRICE$125.43Nearest ATM strike $125.00
Jump to ATM
HALO option chain expiring 2026-12-18, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
19 19In the money 0 0.00% 35.00 5 5 0 200.74%
11 11In the money 0 0.00% 40.00 2 2 0 180.98%
85 85In the money 0 111.78% 45.00 5 5 0 144.89%
284 284In the money 0 100.33% 50.00 40 40 0 148.45%
29 29In the money 0 97.56% 55.00 64 64 0 134.68%
85 85In the money 0 95.21% 60.00 319 319 0 108.45%
371 371In the money 0 85.37% 65.00 215 211 -4 91.00%
256 256In the money 0 78.66% 70.00 96 96 0 101.51%
95 95In the money 0 56.28% 75.00 349 349 0 76.52%
359 359In the money 0 54.14% 80.00 76 76 0 83.17%
544 544In the money 0 0.00% 85.00 51 51 0 58.50%
392 392In the money 0 46.82% 90.00 121 121 0 63.91%
133 133In the money 0 44.79% 95.00 51 50 -1 59.49%
170 164In the money -6 41.83% 100.00 361 361 0 56.34%
120 119In the money -1 42.91% 105.00 95 97 +2 49.88%
306 296In the money -10 38.85% 110.00 136 137 +1 43.19%
658 658In the money 0 39.36% 115.00 15 17 +2 43.64%
364 365In the money +1 40.84% 120.00 57 58 +1 40.40%
46 47In the money +1 36.65% 125.00NEAREST ATM 2 2 0 41.77%
STOCK PRICE $125.43
113 116 +3 37.38% 130.00 0 0In the money 0New 41.87%
50 50 0 36.67% 135.00 0 0In the money 0New 39.81%
86 85 -1 36.55% 140.00 0 0In the money 0New 40.68%
1 20 +19 37.16% 145.00 0 0In the money 0New 41.55%
12 12 0 35.90% 150.00 0 0In the money 0New 42.59%
0 0 0New 37.19% 155.00 0 0In the money 0New 44.49%
0 0 0New 39.07% 160.00 0 0In the money 0New 42.02%
Mar 19, 2027EXPIRATION58 contracts / 29 strikes
SAVED STOCK PRICE$125.43Nearest ATM strike $125.00
Jump to ATM
HALO option chain expiring 2027-03-19, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 91.91% 40.00 0 0 0New 112.82%
1 1In the money 0 86.58% 45.00 0 0 0New 102.16%
19 19In the money 0 78.25% 50.00 0 0 0New 79.19%
0 0In the money 0New 73.15% 55.00 0 0 0New 84.18%
0 0In the money 0New 66.94% 60.00 3 3 0 65.02%
0 0In the money 0New 62.00% 65.00 0 0 0New 52.78%
39 39In the money 0 57.12% 70.00 2 2 0 53.04%
21 21In the money 0 50.02% 75.00 1 1 0 59.15%
15 15In the money 0 44.89% 80.00 6 6 0 54.40%
47 47In the money 0 47.26% 85.00 19 19 0 50.15%
398 396In the money -2 43.61% 90.00 6 6 0 43.49%
143 143In the money 0 42.52% 95.00 33 33 0 44.73%
73 73In the money 0 41.85% 100.00 28 28 0 46.15%
59 58In the money -1 41.96% 105.00 61 61 0 42.47%
43 43In the money 0 41.07% 110.00 125 125 0 41.62%
30 30In the money 0 40.32% 115.00 46 46 0 41.08%
267 266In the money -1 40.12% 120.00 62 65 +3 40.72%
631 631In the money 0 41.99% 125.00NEAREST ATM 4 21 +17 40.80%
STOCK PRICE $125.43
433 433 0 39.81% 130.00 0 1In the money +1New 41.02%
29 38 +9 39.60% 135.00 0 1In the money +1New 39.97%
1,775 1,775 0 38.50% 140.00 0 0In the money 0New 39.95%
1 1 0 38.01% 145.00 1 1In the money 0 39.22%
2 2 0 37.17% 150.00 0 0In the money 0New 38.82%
257 263 +6 36.50% 155.00 0 0In the money 0New 38.95%
3 3 0 36.16% 160.00 0 0In the money 0New 39.20%
1 1 0 38.36% 165.00 0 0In the money 0New 40.03%
2 2 0 35.28% 170.00 0 0In the money 0New 41.22%
1 1 0 39.92% 175.00 0 0In the money 0New 39.28%
1 2 +1 34.65% 180.00 0 0In the money 0New 41.78%
May 21, 2027EXPIRATION50 contracts / 25 strikes
SAVED STOCK PRICE$125.43Nearest ATM strike $125.00
Jump to ATM
HALO option chain expiring 2027-05-21, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 57.52% 60.00 0 0 0New 52.68%
0 0In the money 0New 55.42% 65.00 0 0 0New 49.68%
0 0In the money 0New 52.20% 70.00 3 3 0 55.40%
0 0In the money 0New 45.62% 75.00 0 0 0New 49.09%
0 0In the money 0New 44.51% 80.00 0 0 0New 47.50%
0 0In the money 0New 43.71% 85.00 0 0 0New 44.30%
0 0In the money 0New 42.96% 90.00 0 0 0New 42.01%
3 3In the money 0 41.90% 95.00 8 8 0 40.96%
0 0In the money 0New 41.40% 100.00 1 1 0 41.19%
0 0In the money 0New 41.02% 105.00 0 0 0New 41.59%
0 0In the money 0New 40.68% 110.00 0 0 0New 41.03%
6 6In the money 0 40.34% 115.00 0 0 0New 40.94%
5 3In the money -2 40.12% 120.00 0 0 0New 40.66%
2 2In the money 0 40.03% 125.00NEAREST ATM 0 0 0New 40.79%
STOCK PRICE $125.43
1 1 0 39.53% 130.00 0 0In the money 0New 40.18%
1 1 0 39.46% 135.00 0 0In the money 0New 39.98%
0 0 0New 39.05% 140.00 0 0In the money 0New 39.66%
0 0 0New 38.73% 145.00 0 0In the money 0New 39.40%
0 0 0New 38.45% 150.00 0 0In the money 0New 39.25%
0 0 0New 38.02% 155.00 0 0In the money 0New 39.12%
0 0 0New 37.67% 160.00 0 0In the money 0New 39.05%
1 1 0 37.31% 165.00 0 0In the money 0New 39.34%
1 1 0 36.99% 170.00 0 0In the money 0New 39.07%
0 0 0New 36.16% 175.00 0 0In the money 0New 39.89%
0 0 0New 36.86% 180.00 0 0In the money 0New 40.60%
Jun 17, 2027EXPIRATION52 contracts / 26 strikes
SAVED STOCK PRICE$125.43Nearest ATM strike $125.00
Jump to ATM
HALO option chain expiring 2027-06-17, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 58.41% 55.00 0 0 0New 67.38%
0 0In the money 0New 55.60% 60.00 0 0 0New 58.33%
0 0In the money 0New 51.83% 65.00 0 0 0New 56.72%
0 0In the money 0New 46.90% 70.00 0 0 0New 52.62%
0 0In the money 0New 43.38% 75.00 0 0 0New 49.06%
2 2In the money 0 43.78% 80.00 0 0 0New 45.33%
0 0In the money 0New 41.29% 85.00 0 0 0New 42.44%
0 0In the money 0New 40.81% 90.00 0 0 0New 40.89%
0 0In the money 0New 41.31% 95.00 0 0 0New 40.20%
0 0In the money 0New 40.97% 100.00 0 0 0New 40.80%
0 0In the money 0New 40.73% 105.00 0 0 0New 40.32%
0 0In the money 0New 40.07% 110.00 0 0 0New 40.50%
1 1In the money 0 39.92% 115.00 0 0 0New 40.33%
6 6In the money 0 39.23% 120.00 0 0 0New 39.88%
1 1In the money 0 38.86% 125.00NEAREST ATM 0 0 0New 39.75%
STOCK PRICE $125.43
0 0 0New 38.65% 130.00 0 0In the money 0New 39.19%
0 0 0New 38.23% 135.00 0 0In the money 0New 38.91%
0 0 0New 37.64% 140.00 0 0In the money 0New 38.66%
0 0 0New 37.27% 145.00 0 0In the money 0New 38.50%
0 0 0New 36.81% 150.00 0 0In the money 0New 38.16%
0 0 0New 36.76% 155.00 0 0In the money 0New 38.12%
0 0 0New 36.38% 160.00 0 0In the money 0New 37.84%
0 0 0New 36.16% 165.00 0 0In the money 0New 37.83%
0 0 0New 35.91% 170.00 0 0In the money 0New 38.46%
0 0 0New 35.69% 175.00 0 0In the money 0New 38.69%
0 4 +4New 34.13% 180.00 0 0In the money 0New 39.18%
Aug 20, 2027EXPIRATION50 contracts / 25 strikes
SAVED STOCK PRICE$125.43Nearest ATM strike $125.00
Jump to ATM
HALO option chain expiring 2027-08-20, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
1 2In the money +1 56.25% 60.00 0 0 0New 59.26%
0 0In the money 0New 51.76% 65.00 0 0 0New 54.75%
0 0In the money 0New 49.52% 70.00 0 0 0New 49.73%
0 0In the money 0New 45.64% 75.00 0 0 0New 45.75%
1 1In the money 0 43.44% 80.00 0 1 +1New 42.39%
0 0In the money 0New 43.28% 85.00 0 0 0New 40.15%
1 1In the money 0 40.42% 90.00 0 0 0New 39.06%
0 0In the money 0New 39.40% 95.00 0 0 0New 38.51%
10 10In the money 0 39.06% 100.00 0 0 0New 39.07%
0 0In the money 0New 39.44% 105.00 0 0 0New 39.46%
0 0In the money 0New 38.84% 110.00 0 1 +1New 39.26%
0 0In the money 0New 38.62% 115.00 0 0 0New 39.34%
2 2In the money 0 38.94% 120.00 0 0 0New 38.84%
0 0In the money 0New 38.83% 125.00NEAREST ATM 0 0 0New 38.64%
STOCK PRICE $125.43
0 0 0New 38.35% 130.00 0 0In the money 0New 38.87%
0 0 0New 37.87% 135.00 1 1In the money 0 37.89%
0 0 0New 37.74% 140.00 0 0In the money 0New 38.00%
0 0 0New 37.58% 145.00 0 0In the money 0New 37.64%
0 0 0New 37.20% 150.00 0 0In the money 0New 37.41%
0 0 0New 36.78% 155.00 0 0In the money 0New 37.72%
1 1 0 36.59% 160.00 0 0In the money 0New 37.77%
0 0 0New 36.57% 165.00 0 0In the money 0New 37.82%
0 0 0New 36.50% 170.00 0 0In the money 0New 38.40%
0 0 0New 36.56% 175.00 0 0In the money 0New 38.83%
0 0 0New 36.58% 180.00 0 0In the money 0New 38.32%
Dec 17, 2027EXPIRATION56 contracts / 28 strikes
SAVED STOCK PRICE$125.43Nearest ATM strike $125.00
Jump to ATM
HALO option chain expiring 2027-12-17, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
1 1In the money 0 61.06% 45.00 0 0 0New 65.94%
10 10In the money 0 55.46% 50.00 0 0 0New 60.51%
1 1In the money 0 52.92% 55.00 0 0 0New 55.59%
0 0In the money 0New 44.01% 60.00 0 0 0New 51.87%
1 1In the money 0 47.46% 65.00 0 0 0New 48.00%
10 10In the money 0 46.21% 70.00 1 1 0 38.24%
2 2In the money 0 42.99% 75.00 16 16 0 41.55%
12 12In the money 0 41.52% 80.00 12 12 0 39.50%
2 2In the money 0 41.53% 85.00 10 10 0 38.96%
22 22In the money 0 39.72% 90.00 11 11 0 38.76%
10 10In the money 0 38.80% 95.00 20 20 0 40.43%
67 67In the money 0 37.93% 100.00 30 49 +19 38.27%
342 342In the money 0 38.20% 105.00 0 0 0New 37.92%
4 4In the money 0 38.42% 110.00 75 75 0 39.50%
29 29In the money 0 37.63% 115.00 6 6 0 38.93%
424 434In the money +10 37.34% 120.00 5 5 0 37.69%
24 26In the money +2 37.27% 125.00NEAREST ATM 18 37 +19 37.90%
STOCK PRICE $125.43
28 29 +1 37.05% 130.00 20 20In the money 0 37.84%
1,004 1,004 0 37.06% 135.00 0 0In the money 0New 37.84%
252 252 0 36.37% 140.00 0 0In the money 0New 36.73%
15 15 0 37.18% 145.00 0 0In the money 0New 37.56%
25 46 +21 36.57% 150.00 2 2In the money 0 37.00%
1 1 0 36.26% 155.00 0 0In the money 0New 37.19%
29 29 0 36.38% 160.00 0 0In the money 0New 37.08%
1 1 0 37.37% 165.00 0 0In the money 0New 37.20%
4 4 0 36.04% 170.00 0 0In the money 0New 37.10%
0 0 0New 37.50% 175.00 0 0In the money 0New 37.22%
0 0 0New 37.53% 180.00 0 0In the money 0New 37.72%

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