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 Some data may be out of date.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

CHGG

Daily option chain

Daily open interest

vs Oct 20, 2026

Saved stock price: $0.67 · 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
66 contracts / 6 expirationsClick OI for history
Nov 20, 2026EXPIRATION8 contracts / 4 strikes
SAVED STOCK PRICE$0.67Nearest ATM strike $1.50
Jump to ATM
CHGG option chain expiring 2026-11-20, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
STOCK PRICE $0.67
4 4 0 213.36% 1.50NEAREST ATM 0 0In the money 0New 211.69%
0 0 0New 312.59% 2.00 0 0In the money 0New 260.99%
0 0 0New 133.62% 500.00 46 46In the money 0 180.52%
524 531 +7 136.83% 1000.00 16 17In the money +1 177.00%
Dec 18, 2026EXPIRATION8 contracts / 4 strikes
SAVED STOCK PRICE$0.67Nearest ATM strike $1.50
Jump to ATM
CHGG option chain expiring 2026-12-18, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
STOCK PRICE $0.67
0 0 0New 150.11% 1.50NEAREST ATM 0 0In the money 0New 160.67%
0 0 0New 184.23% 2.00 0 0In the money 0New 197.53%
0 0 0New 121.34% 500.00 0 2In the money +2New 164.21%
12 23 +11 149.97% 1000.00 15 15In the money 0 158.09%
Jan 15, 2027EXPIRATION20 contracts / 10 strikes
SAVED STOCK PRICE$0.67Nearest ATM strike $1.50
Jump to ATM
CHGG option chain expiring 2027-01-15, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
STOCK PRICE $0.67
15,270 15,270 0 172.59% 1.50NEAREST ATM 497 497In the money 0 186.03%
8,569 8,569 0 149.99% 2.00 72 72In the money 0 167.23%
1,715 1,715 0 226.29% 2.50 60 60In the money 0 0.00%
798 798 0 185.99% 3.00 30 30In the money 0 208.99%
476 476 0 280.60% 3.50 1 1In the money 0 255.70%
218 218 0 292.68% 4.00 1 1In the money 0 237.75%
108 108 0 303.06% 4.50 5 5In the money 0 249.45%
10,563 10,563 0 227.28% 5.00 1 1In the money 0 259.93%
3,355 3,355 0 95.19% 500.00 663 663In the money 0 135.80%
23,349 23,354 +5 160.44% 1000.00 3,274 3,274In the money 0 171.41%
Apr 16, 2027EXPIRATION8 contracts / 4 strikes
SAVED STOCK PRICE$0.67Nearest ATM strike $1.50
Jump to ATM
CHGG option chain expiring 2027-04-16, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
STOCK PRICE $0.67
13,856 13,853 -3 148.34% 1.50NEAREST ATM 0 0In the money 0New 148.01%
198 198 0 141.61% 2.00 0 0In the money 0New 158.51%
378 385 +7 104.18% 500.00 51 51In the money 0 150.92%
12,086 14,285 +2,199 138.01% 1000.00 12 12In the money 0 135.20%
Jan 21, 2028EXPIRATION14 contracts / 7 strikes
SAVED STOCK PRICE$0.67Nearest ATM strike $1.50
Jump to ATM
CHGG option chain expiring 2028-01-21, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
STOCK PRICE $0.67
3,682 3,682 0 120.00% 1.50NEAREST ATM 10 10In the money 0 128.41%
2,899 2,899 0 134.51% 2.00 26 26In the money 0 129.58%
425 425 0 128.77% 2.50 1 1In the money 0 134.37%
506 506 0 136.77% 3.00 6 6In the money 0 135.94%
74 74 0 135.01% 3.50 3 3In the money 0 134.81%
13,596 13,596 0 125.57% 500.00 195 195In the money 0 123.77%
1,783 1,784 +1 104.74% 1000.00 104 104In the money 0 126.94%
Jan 19, 2029EXPIRATION8 contracts / 4 strikes
SAVED STOCK PRICE$0.67Nearest ATM strike $1.50
Jump to ATM
CHGG option chain expiring 2029-01-19, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
STOCK PRICE $0.67
0 0 0New 0.00% 1.50NEAREST ATM 0 0In the money 0New 0.00%
20 20 0 131.54% 2.00 20 30In the money +10 153.23%
0 0 0New 0.00% 500.00 0 0In the money 0New 0.00%
1 1 0 0.00% 1000.00 1 1In the money 0 0.00%

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