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

ARMK

Daily option chain

Daily open interest

vs Oct 21, 2026

Saved stock price: $51.98 · 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
194 contracts / 7 expirationsClick OI for history
Nov 20, 2026EXPIRATION26 contracts / 13 strikes
SAVED STOCK PRICE$51.98Nearest ATM strike $50.00
Jump to ATM
ARMK 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% 30.00 0 0 0New 170.25%
0 0In the money 0New 79.26% 35.00 0 0 0New 128.54%
0 0In the money 0New 62.68% 40.00 0 0 0New 98.98%
0 0In the money 0New 36.29% 45.00 0 0 0New 56.76%
0 0In the money 0New 40.54% 50.00NEAREST ATM 25 25 0 53.37%
STOCK PRICE $51.98
186 187 +1 42.99% 55.00 84 84In the money 0 42.97%
57 56 -1 40.05% 60.00 0 0In the money 0New 40.85%
2 2 0 75.28% 65.00 0 0In the money 0New 0.00%
0 0 0New 91.11% 70.00 0 0In the money 0New 0.00%
0 0 0New 108.03% 75.00 0 0In the money 0New 0.00%
0 0 0New 120.67% 80.00 0 0In the money 0New 87.02%
0 0 0New 117.76% 85.00 0 0In the money 0New 0.00%
0 0 0New 142.61% 90.00 0 0In the money 0New 0.00%
Dec 18, 2026EXPIRATION56 contracts / 28 strikes
SAVED STOCK PRICE$51.98Nearest ATM strike $50.00
Jump to ATM
ARMK option chain expiring 2026-12-18, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
1 1In the money 0 0.00% 25.00 4,737 4,737 0 152.53%
1 1In the money 0 0.00% 30.00 0 0 0New 92.68%
0 0In the money 0New 0.00% 31.00 0 0 0New 108.79%
0 0In the money 0New 0.00% 32.00 0 0 0New 110.00%
0 0In the money 0New 0.00% 33.00 0 0 0New 98.44%
0 0In the money 0New 0.00% 34.00 0 0 0New 99.47%
0 0In the money 0New 0.00% 35.00 0 0 0New 94.40%
1 1In the money 0 0.00% 36.00 0 0 0New 83.90%
0 0In the money 0New 50.24% 37.00 0 0 0New 84.61%
0 0In the money 0New 46.50% 38.00 0 0 0New 79.87%
0 0In the money 0New 45.98% 39.00 0 0 0New 58.78%
0 0In the money 0New 25.93% 40.00 1 1 0 71.21%
0 0In the money 0New 35.85% 41.00 0 0 0New 51.08%
0 0In the money 0New 41.64% 42.00 0 0 0New 63.24%
16 15In the money -1 25.06% 43.00 1 1 0 48.59%
0 0In the money 0New 25.95% 44.00 1 1 0 55.74%
1 1In the money 0 27.48% 45.00 42 42 0 47.14%
0 0In the money 0New 28.74% 46.00 1 1 0 48.89%
20 20In the money 0 29.68% 47.00 1 1 0 45.48%
5 5In the money 0 30.34% 48.00 0 0 0New 45.23%
2 2In the money 0 29.26% 49.00 20 20 0 40.62%
14 14In the money 0 27.91% 50.00NEAREST ATM 582 582 0 40.16%
STOCK PRICE $51.98
323 323 0 27.93% 55.00 377 377In the money 0 29.99%
1,035 1,035 0 41.34% 60.00 98 98In the money 0 29.51%
1,325 1,323 -2 42.52% 65.00 0 0In the money 0New 0.00%
19 19 0 66.19% 70.00 0 0In the money 0New 0.00%
11 11 0 51.44% 75.00 0 0In the money 0New 0.00%
2 2 0 85.19% 80.00 0 0In the money 0New 0.00%
Jan 15, 2027EXPIRATION22 contracts / 11 strikes
SAVED STOCK PRICE$51.98Nearest ATM strike $50.00
Jump to ATM
ARMK 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 56.17% 30.00 0 0 0New 79.82%
0 0In the money 0New 57.70% 35.00 0 0 0New 78.20%
9 9In the money 0 47.09% 40.00 0 0 0New 49.52%
6 6In the money 0 30.28% 45.00 5 5 0 43.90%
75 75In the money 0 27.94% 50.00NEAREST ATM 313 313 0 30.97%
STOCK PRICE $51.98
133 133 0 33.02% 55.00 469 469In the money 0 27.57%
3,862 3,867 +5 26.95% 60.00 166 166In the money 0 23.71%
1,148 1,148 0 45.73% 65.00 0 0In the money 0New 0.00%
176 176 0 40.82% 70.00 0 0In the money 0New 0.00%
35 35 0 62.53% 75.00 0 0In the money 0New 0.00%
0 0 0New 48.10% 80.00 0 0In the money 0New 0.00%
Apr 16, 2027EXPIRATION24 contracts / 12 strikes
SAVED STOCK PRICE$51.98Nearest ATM strike $50.00
Jump to ATM
ARMK 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 45.03% 35.00 0 0 0New 56.19%
0 0In the money 0New 36.29% 40.00 0 0 0New 45.46%
0 0In the money 0New 30.67% 45.00 0 0 0New 36.14%
3 3In the money 0 30.03% 50.00NEAREST ATM 1 1 0 27.43%
STOCK PRICE $51.98
30 31 +1 27.99% 55.00 0 0In the money 0New 30.05%
8 8 0 31.27% 60.00 0 0In the money 0New 28.08%
0 0 0New 30.52% 65.00 0 0In the money 0New 28.00%
0 0 0New 37.59% 70.00 0 0In the money 0New 0.00%
0 0 0New 42.76% 75.00 0 0In the money 0New 0.00%
0 0 0New 46.60% 80.00 0 0In the money 0New 0.00%
0 0 0New 43.23% 85.00 0 0In the money 0New 0.00%
0 0 0New 47.05% 90.00 0 0In the money 0New 0.00%
May 21, 2027EXPIRATION22 contracts / 11 strikes
SAVED STOCK PRICE$51.98Nearest ATM strike $50.00
Jump to ATM
ARMK option chain expiring 2027-05-21, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
1 1In the money 0 46.12% 35.00 0 0 0New 52.83%
5 5In the money 0 37.30% 40.00 0 0 0New 41.70%
0 0In the money 0New 33.52% 45.00 0 0 0New 33.62%
0 0In the money 0New 31.69% 50.00NEAREST ATM 0 0 0New 30.58%
STOCK PRICE $51.98
0 0 0New 29.91% 55.00 0 0In the money 0New 29.04%
0 0 0New 30.06% 60.00 0 0In the money 0New 28.36%
1 1 0 32.36% 65.00 0 0In the money 0New 27.83%
0 0 0New 36.91% 70.00 0 0In the money 0New 0.00%
43 43 0 32.25% 75.00 0 0In the money 0New 0.00%
0 0 0New 45.37% 80.00 0 0In the money 0New 0.00%
2 2 0 36.57% 85.00 0 0In the money 0New 0.00%
Aug 20, 2027EXPIRATION22 contracts / 11 strikes
SAVED STOCK PRICE$51.98Nearest ATM strike $50.00
Jump to ATM
ARMK option chain expiring 2027-08-20, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 45.13% 35.00 0 0 0New 46.80%
0 0In the money 0New 35.92% 40.00 0 0 0New 38.65%
0 5In the money +5New 32.10% 45.00 0 0 0New 31.64%
0 0In the money 0New 30.39% 50.00NEAREST ATM 0 0 0New 29.71%
STOCK PRICE $51.98
0 0 0New 29.72% 55.00 0 0In the money 0New 26.96%
0 0 0New 28.08% 60.00 0 0In the money 0New 26.60%
0 0 0New 27.68% 65.00 0 0In the money 0New 25.78%
0 0 0New 31.85% 70.00 0 0In the money 0New 0.00%
0 0 0New 35.73% 75.00 0 0In the money 0New 0.00%
0 0 0New 39.44% 80.00 0 0In the money 0New 0.00%
0 0 0New 32.22% 85.00 0 0In the money 0New 0.00%
Nov 19, 2027EXPIRATION22 contracts / 11 strikes
SAVED STOCK PRICE$51.98Nearest ATM strike $50.00
Jump to ATM
ARMK option chain expiring 2027-11-19, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
204 204In the money 0 37.95% 35.00 0 0 0New 42.25%
1 1In the money 0 35.13% 40.00 0 0 0New 34.40%
0 0In the money 0New 32.91% 45.00 0 0 0New 29.06%
17 17In the money 0 31.12% 50.00NEAREST ATM 0 0 0New 28.73%
STOCK PRICE $51.98
0 0 0New 29.82% 55.00 1 1In the money 0 28.29%
0 0 0New 28.03% 60.00 0 0In the money 0New 27.81%
0 0 0New 25.29% 65.00 0 0In the money 0New 23.27%
0 0 0New 27.74% 70.00 0 0In the money 0New 0.00%
0 0 0New 31.20% 75.00 0 0In the money 0New 0.00%
0 0 0New 34.48% 80.00 0 0In the money 0New 0.00%
0 0 0New 29.97% 85.00 0 0In the money 0New 0.00%

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