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

EFOR

Daily option chain

Daily open interest

vs Oct 20, 2026

Saved stock price: $41.00 · 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
100 contracts / 4 expirationsClick OI for history
Nov 20, 2026EXPIRATION20 contracts / 10 strikes
SAVED STOCK PRICE$41.00Nearest ATM strike $40.00
Jump to ATM
EFOR 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 154.74% 17.50 0 0 0New 204.70%
0 0In the money 0New 0.00% 20.00 0 0 0New 224.88%
0 0In the money 0New 0.00% 22.50 54 54 0 195.78%
6 6In the money 0 0.00% 25.00 0 0 0New 169.56%
82 78In the money -4 89.42% 30.00 13 13 0 94.25%
187 187In the money 0 77.32% 35.00 22 22 0 92.92%
1,146 1,145In the money -1 70.31% 40.00NEAREST ATM 1 1 0 89.38%
STOCK PRICE $41.00
7 7 0 71.70% 45.00 0 0In the money 0New 74.03%
14 14 0 69.70% 50.00 0 0In the money 0New 78.04%
0 0 0New 109.70% 55.00 0 0In the money 0New 80.00%
Dec 18, 2026EXPIRATION30 contracts / 15 strikes
SAVED STOCK PRICE$41.00Nearest ATM strike $40.00
Jump to ATM
EFOR 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 261.10% 5.00 180 180 0 442.54%
0 0In the money 0New 209.49% 7.50 207 207 0 348.81%
2 2In the money 0 173.93% 10.00 48 48 0 288.98%
1 1In the money 0 0.00% 12.50 26 26 0 245.24%
28 28In the money 0 0.00% 15.00 54 54 0 161.54%
75 75In the money 0 0.00% 17.50 108 107 -1 139.08%
47 47In the money 0 0.00% 20.00 75 75 0 163.47%
40 40In the money 0 92.50% 22.50 44 44 0 146.26%
221 221In the money 0 0.00% 25.00 10 10 0 129.40%
442 442In the money 0 74.32% 30.00 11 11 0 79.38%
121 121In the money 0 78.06% 35.00 13 13 0 79.67%
41 51In the money +10 66.89% 40.00NEAREST ATM 2 2 0 74.47%
STOCK PRICE $41.00
42 42 0 65.80% 45.00 0 0In the money 0New 68.19%
0 0 0New 77.40% 50.00 0 0In the money 0New 69.31%
7 7 0 83.89% 55.00 0 0In the money 0New 72.17%
Mar 19, 2027EXPIRATION32 contracts / 16 strikes
SAVED STOCK PRICE$41.00Nearest ATM strike $40.00
Jump to ATM
EFOR option chain expiring 2027-03-19, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
4 4In the money 0 0.00% 2.50 0 0 0New 405.69%
1 1In the money 0 191.87% 5.00 0 0 0New 219.51%
0 0In the money 0New 161.41% 7.50 290 290 0 222.00%
0 0In the money 0New 133.59% 10.00 0 0 0New 186.25%
0 0In the money 0New 0.00% 12.50 0 0 0New 145.35%
0 0In the money 0New 103.35% 15.00 6 6 0 125.88%
0 0In the money 0New 96.06% 17.50 3 3 0 116.87%
3 3In the money 0 93.08% 20.00 13 13 0 95.72%
1 1In the money 0 87.88% 22.50 15 15 0 87.78%
0 0In the money 0New 82.73% 25.00 7 7 0 89.24%
30 20In the money -10 82.50% 30.00 125 125 0 79.61%
18 18In the money 0 76.03% 35.00 3 3 0 70.88%
2 2In the money 0 70.07% 40.00NEAREST ATM 0 0 0New 68.94%
STOCK PRICE $41.00
13 13 0 70.40% 45.00 0 0In the money 0New 66.53%
0 1 +1New 69.26% 50.00 0 0In the money 0New 65.40%
8 8 0 70.07% 55.00 0 0In the money 0New 65.99%
Jun 17, 2027EXPIRATION18 contracts / 9 strikes
SAVED STOCK PRICE$41.00Nearest ATM strike $40.00
Jump to ATM
EFOR option chain expiring 2027-06-17, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 85.63% 20.00 0 0 0New 92.97%
0 0In the money 0New 78.98% 22.50 0 0 0New 83.07%
0 0In the money 0New 71.61% 25.00 0 0 0New 80.50%
0 0In the money 0New 79.21% 30.00 0 0 0New 73.94%
19 19In the money 0 74.78% 35.00 19 19 0 71.12%
0 0In the money 0New 69.29% 40.00NEAREST ATM 0 0 0New 68.10%
STOCK PRICE $41.00
0 0 0New 67.11% 45.00 0 0In the money 0New 63.67%
0 0 0New 68.01% 50.00 0 0In the money 0New 62.95%
1 1 0 66.60% 55.00 0 0In the money 0New 61.96%

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