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

ATO

Daily option chain

Daily open interest

vs Oct 21, 2026

Saved stock price: $172.09 · 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
186 contracts / 4 expirationsClick OI for history
Nov 20, 2026EXPIRATION46 contracts / 23 strikes
SAVED STOCK PRICE$172.09Nearest ATM strike $170.00
Jump to ATM
ATO 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% 110.00 2 2 0 105.56%
0 0In the money 0New 0.00% 115.00 0 0 0New 96.86%
0 0In the money 0New 0.00% 120.00 1 1 0 88.47%
0 0In the money 0New 0.00% 125.00 0 0 0New 80.36%
0 0In the money 0New 39.71% 130.00 0 0 0New 72.89%
0 0In the money 0New 30.87% 135.00 0 0 0New 65.54%
0 0In the money 0New 39.85% 140.00 0 0 0New 57.94%
0 0In the money 0New 37.67% 145.00 17 17 0 51.08%
0 0In the money 0New 32.27% 150.00 28 28 0 43.88%
2 2In the money 0 28.21% 155.00 12 12 0 37.11%
21 21In the money 0 25.38% 160.00 97 97 0 31.85%
417 417In the money 0 22.05% 165.00 19 27 +8 20.68%
253 253In the money 0 20.91% 170.00NEAREST ATM 2 2 0 19.42%
STOCK PRICE $172.09
17 39 +22 22.18% 175.00 0 0In the money 0New 17.48%
0 3 +3New 22.96% 180.00 0 0In the money 0New 17.17%
0 1 +1New 27.21% 185.00 0 0In the money 0New 0.00%
0 0 0New 31.76% 190.00 0 0In the money 0New 0.00%
0 0 0New 36.89% 195.00 0 0In the money 0New 0.00%
0 0 0New 41.84% 200.00 0 0In the money 0New 0.00%
0 0 0New 49.22% 210.00 0 0In the money 0New 0.00%
0 0 0New 60.12% 220.00 0 0In the money 0New 0.00%
0 0 0New 68.13% 230.00 0 0In the money 0New 0.00%
0 0 0New 75.58% 240.00 0 0In the money 0New 0.00%
Dec 18, 2026EXPIRATION46 contracts / 23 strikes
SAVED STOCK PRICE$172.09Nearest ATM strike $170.00
Jump to ATM
ATO 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 0.00% 110.00 0 0 0New 74.52%
0 0In the money 0New 0.00% 115.00 0 0 0New 68.35%
0 0In the money 0New 0.00% 120.00 0 0 0New 62.73%
0 0In the money 0New 0.00% 125.00 0 0 0New 56.94%
0 0In the money 0New 0.00% 130.00 0 0 0New 51.60%
0 0In the money 0New 0.00% 135.00 0 0 0New 46.61%
0 0In the money 0New 0.00% 140.00 1 1 0 41.63%
0 0In the money 0New 26.23% 145.00 0 0 0New 36.65%
0 0In the money 0New 25.78% 150.00 0 0 0New 31.99%
0 0In the money 0New 23.84% 155.00 0 0 0New 27.30%
3 3In the money 0 21.97% 160.00 19 19 0 22.73%
20 20In the money 0 21.36% 165.00 20 20 0 18.92%
12 12In the money 0 20.70% 170.00NEAREST ATM 0 0 0New 18.98%
STOCK PRICE $172.09
0 5 +5New 18.70% 175.00 1 1In the money 0 17.35%
0 0 0New 19.07% 180.00 0 0In the money 0New 17.96%
0 0 0New 21.65% 185.00 0 0In the money 0New 17.05%
0 0 0New 24.38% 190.00 0 0In the money 0New 17.38%
0 0 0New 27.48% 195.00 0 0In the money 0New 18.56%
0 0 0New 30.68% 200.00 0 0In the money 0New 21.84%
0 0 0New 37.10% 210.00 0 0In the money 0New 23.54%
0 0 0New 43.04% 220.00 0 0In the money 0New 32.94%
0 0 0New 37.62% 230.00 0 0In the money 0New 35.71%
0 0 0New 40.13% 240.00 0 0In the money 0New 41.28%
Jan 15, 2027EXPIRATION48 contracts / 24 strikes
SAVED STOCK PRICE$172.09Nearest ATM strike $170.00
Jump to ATM
ATO option chain expiring 2027-01-15, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
1 1In the money 0 41.45% 120.00 2 5 +3 52.97%
0 0In the money 0New 38.96% 125.00 2 2 0 48.63%
0 0In the money 0New 37.52% 130.00 2 2 0 44.35%
0 0In the money 0New 33.60% 135.00 2 2 0 40.12%
0 0In the money 0New 31.27% 140.00 2 2 0 35.91%
0 0In the money 0New 28.06% 145.00 31 31 0 31.86%
25 25In the money 0 25.31% 150.00 18 18 0 27.61%
1 1In the money 0 22.94% 155.00 24 24 0 23.92%
8 8In the money 0 21.64% 160.00 25 28 +3 21.00%
7 7In the money 0 21.11% 165.00 99 99 0 18.97%
45 45In the money 0 19.35% 170.00NEAREST ATM 28 28 0 18.57%
STOCK PRICE $172.09
104 104 0 19.76% 175.00 13 13In the money 0 16.17%
53 53 0 18.87% 180.00 16 16In the money 0 16.65%
7 7 0 19.92% 185.00 0 0In the money 0New 18.22%
24 24 0 21.62% 190.00 0 0In the money 0New 18.09%
81 81 0 23.70% 195.00 1 1In the money 0 17.61%
13 13 0 26.23% 200.00 0 0In the money 0New 19.74%
7 7 0 30.92% 210.00 0 0In the money 0New 24.26%
1 1 0 35.35% 220.00 0 0In the money 0New 28.32%
0 0 0New 37.00% 230.00 0 0In the money 0New 34.16%
0 0 0New 43.98% 240.00 0 0In the money 0New 35.31%
0 0 0New 47.81% 250.00 0 0In the money 0New 32.64%
0 0 0New 51.61% 260.00 0 0In the money 0New 38.67%
0 0 0New 55.21% 270.00 0 0In the money 0New 43.61%
Apr 16, 2027EXPIRATION46 contracts / 23 strikes
SAVED STOCK PRICE$172.09Nearest ATM strike $170.00
Jump to ATM
ATO option chain expiring 2027-04-16, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
2 2In the money 0 32.41% 115.00 0 0 0New 40.15%
0 0In the money 0New 32.27% 120.00 0 0 0New 37.10%
0 0In the money 0New 30.40% 125.00 8 8 0 32.72%
0 0In the money 0New 29.09% 130.00 0 0 0New 31.16%
1 1In the money 0 27.10% 135.00 5 5 0 28.52%
8 8In the money 0 24.92% 140.00 48 48 0 26.08%
0 0In the money 0New 23.71% 145.00 1 1 0 22.44%
2 2In the money 0 22.58% 150.00 11 11 0 21.75%
0 0In the money 0New 21.54% 155.00 0 0 0New 20.48%
4 4In the money 0 19.26% 160.00 0 1 +1New 19.34%
7 7In the money 0 19.25% 165.00 3 5 +2 18.42%
14 14In the money 0 18.00% 170.00NEAREST ATM 3 5 +2 17.60%
STOCK PRICE $172.09
4 4 0 17.94% 175.00 0 2In the money +2New 17.20%
49 49 0 17.24% 180.00 0 0In the money 0New 16.89%
2 2 0 16.76% 185.00 0 0In the money 0New 15.56%
0 0 0New 16.40% 190.00 0 0In the money 0New 15.14%
0 0 0New 17.46% 195.00 0 0In the money 0New 0.00%
1 1 0 18.53% 200.00 0 0In the money 0New 0.00%
0 0 0New 21.14% 210.00 0 0In the money 0New 19.98%
0 0 0New 23.10% 220.00 0 0In the money 0New 23.90%
0 0 0New 21.80% 230.00 0 0In the money 0New 26.25%
0 0 0New 24.44% 240.00 0 0In the money 0New 29.82%
0 0 0New 29.63% 250.00 0 0In the money 0New 32.44%

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