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

GRDN

Daily option chain

Daily open interest

vs Oct 16, 2026

Saved stock price: $41.51 · Expirations before Oct 21, 2026 hidden automatically.

ITM In the money Unshaded: out of the money ATM Strike equals stock price Based on the saved stock price
86 contracts / 4 expirationsClick OI for history
Nov 20, 2026EXPIRATION20 contracts / 10 strikes
SAVED STOCK PRICE$41.51Nearest ATM strike $40.00
Jump to ATM
GRDN option chain expiring 2026-11-20, open interest on 2026-10-21 compared with 2026-10-16
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 109.79% 25.00 0 0 0New 161.43%
0 0In the money 0New 75.69% 30.00 0 0 0New 94.97%
2 0In the money -2 63.31% 35.00 0 0 0New 55.41%
2 26In the money +24 72.28% 40.00NEAREST ATM 0 0 0New 69.08%
STOCK PRICE $41.51
2 2 0 72.48% 45.00 0 0In the money 0New 51.95%
0 2 +2New 58.16% 50.00 0 0In the money 0New 33.48%
0 0 0New 81.76% 55.00 0 0In the money 0New 0.00%
0 0 0New 115.70% 60.00 0 0In the money 0New 0.00%
0 0 0New 130.23% 65.00 0 0In the money 0New 0.00%
0 0 0New 144.80% 70.00 0 0In the money 0New 0.00%
Dec 18, 2026EXPIRATION20 contracts / 10 strikes
SAVED STOCK PRICE$41.51Nearest ATM strike $40.00
Jump to ATM
GRDN option chain expiring 2026-12-18, open interest on 2026-10-21 compared with 2026-10-16
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 105.37% 20.00 0 0 0New 157.93%
0 0In the money 0New 89.83% 22.50 0 0 0New 136.86%
0 0In the money 0New 80.12% 25.00 0 0 0New 118.00%
0 0In the money 0New 68.30% 30.00 0 0 0New 65.42%
0 0In the money 0New 54.71% 35.00 0 0 0New 63.48%
0 0In the money 0New 41.90% 40.00NEAREST ATM 0 0 0New 45.86%
STOCK PRICE $41.51
0 0 0New 58.97% 45.00 0 0In the money 0New 38.85%
0 0 0New 61.24% 50.00 0 0In the money 0New 0.00%
0 0 0New 54.78% 55.00 0 0In the money 0New 39.23%
0 0 0New 82.89% 60.00 0 0In the money 0New 0.00%
Jan 15, 2027EXPIRATION22 contracts / 11 strikes
SAVED STOCK PRICE$41.51Nearest ATM strike $40.00
Jump to ATM
GRDN option chain expiring 2027-01-15, open interest on 2026-10-21 compared with 2026-10-16
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 56.35% 20.00 0 0 0New 130.62%
0 0In the money 0New 59.14% 22.50 0 0 0New 113.31%
5 5In the money 0 85.08% 25.00 1 1 0 98.55%
427 427In the money 0 54.85% 30.00 10 10 0 50.25%
81 81In the money 0 49.40% 35.00 22 22 0 46.50%
273 273In the money 0 53.86% 40.00NEAREST ATM 106 106 0 45.85%
STOCK PRICE $41.51
70 70 0 42.10% 45.00 20 20In the money 0 45.24%
25 25 0 44.24% 50.00 5 5In the money 0 51.87%
6 6 0 59.87% 55.00 0 0In the money 0New 38.13%
5 5 0 56.34% 60.00 0 0In the money 0New 0.00%
3 3 0 77.04% 65.00 0 0In the money 0New 52.48%
Apr 16, 2027EXPIRATION24 contracts / 12 strikes
SAVED STOCK PRICE$41.51Nearest ATM strike $40.00
Jump to ATM
GRDN option chain expiring 2027-04-16, open interest on 2026-10-21 compared with 2026-10-16
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 79.21% 20.00 0 0 0New 92.55%
0 0In the money 0New 46.92% 22.50 0 0 0New 63.66%
0 0In the money 0New 61.91% 25.00 0 0 0New 56.01%
8 8In the money 0 59.12% 30.00 1 1 0 51.24%
19 19In the money 0 47.94% 35.00 0 0 0New 48.90%
25 25In the money 0 49.51% 40.00NEAREST ATM 2 2 0 45.17%
STOCK PRICE $41.51
123 125 +2 48.14% 45.00 0 0In the money 0New 42.84%
10 10 0 42.71% 50.00 0 0In the money 0New 38.78%
6 6 0 41.29% 55.00 2 2In the money 0 36.80%
0 0 0New 42.58% 60.00 0 0In the money 0New 41.81%
0 0 0New 43.83% 65.00 0 0In the money 0New 0.00%
0 0 0New 49.03% 70.00 2 2In the money 0 0.00%

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