OI update signal: Likely updated MSFT / AAPL · Checked Oct 26, 09:00 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 Some data may be out of date.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

ARCT

Daily option chain

Daily open interest

vs Oct 20, 2026

Saved stock price: $10.73 · 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
132 contracts / 4 expirationsClick OI for history
Nov 20, 2026EXPIRATION32 contracts / 16 strikes
SAVED STOCK PRICE$10.73Nearest ATM strike $11.00
Jump to ATM
ARCT option chain expiring 2026-11-20, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
1 1In the money 0 0.00% 2.50 0 0 0New 251.75%
0 0In the money 0New 0.00% 5.00 0 0 0New 303.95%
0 0In the money 0New 137.10% 6.00 0 0 0New 246.65%
0 0In the money 0New 190.82% 7.50 0 0 0New 190.02%
0 0In the money 0New 39.87% 9.00 0 0 0New 104.38%
0 0In the money 0New 61.85% 10.00 95 70 -25 89.70%
STOCK PRICE $10.73
31 31 0 80.38% 11.00NEAREST ATM 1 4In the money +3 91.17%
60 63 +3 91.58% 12.50 88 87In the money -1 92.35%
1 202 +201 99.60% 14.00 0 0In the money 0New 82.24%
210 211 +1 117.58% 15.00 86 86In the money 0 96.34%
0 0 0New 131.10% 16.00 0 0In the money 0New 108.98%
60 60 0 175.30% 17.50 1 0In the money -1 116.61%
28 31 +3 190.32% 20.00 3 2In the money -1 139.88%
0 0 0New 224.39% 22.50 0 0In the money 0New 0.00%
0 0 0New 243.49% 25.00 0 0In the money 0New 0.00%
0 0 0New 453.90% 30.00 0 0In the money 0New 165.86%
Dec 18, 2026EXPIRATION32 contracts / 16 strikes
SAVED STOCK PRICE$10.73Nearest ATM strike $11.00
Jump to ATM
ARCT option chain expiring 2026-12-18, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
5 5In the money 0 0.00% 2.50 0 0 0New 0.00%
12 12In the money 0 149.45% 5.00 110 110 0 140.82%
0 0In the money 0New 149.01% 6.00 0 0 0New 161.06%
68 67In the money -1 89.92% 7.50 92 92 0 98.69%
0 0In the money 0New 93.21% 9.00 0 0 0New 90.23%
153 149In the money -4 82.72% 10.00 65 65 0 104.51%
STOCK PRICE $10.73
0 0 0New 86.66% 11.00NEAREST ATM 0 0In the money 0New 79.04%
91 91 0 82.44% 12.50 354 354In the money 0 82.66%
0 11 +11New 85.82% 14.00 0 0In the money 0New 84.64%
220 220 0 91.69% 15.00 75 75In the money 0 84.56%
0 0 0New 101.69% 16.00 0 0In the money 0New 90.07%
104 104 0 116.99% 17.50 106 106In the money 0 86.04%
233 233 0 135.68% 20.00 8 8In the money 0 0.00%
6 6 0 151.26% 22.50 0 0In the money 0New 0.00%
23 23 0 164.61% 25.00 0 0In the money 0New 0.00%
4 4 0 189.09% 30.00 0 0In the money 0New 0.00%
Mar 19, 2027EXPIRATION32 contracts / 16 strikes
SAVED STOCK PRICE$10.73Nearest ATM strike $11.00
Jump to ATM
ARCT option chain expiring 2027-03-19, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
6 6In the money 0 0.00% 2.50 0 0 0New 222.25%
10 10In the money 0 102.91% 5.00 4 4 0 134.44%
0 0In the money 0New 118.16% 6.00 0 0 0New 131.03%
26 26In the money 0 90.10% 7.50 5 5 0 130.06%
0 0In the money 0New 74.72% 9.00 0 0 0New 88.47%
34 34In the money 0 111.82% 10.00 40 40 0 79.16%
STOCK PRICE $10.73
0 6 +6New 89.75% 11.00NEAREST ATM 0 0In the money 0New 87.21%
43 43 0 77.06% 12.50 24 24In the money 0 65.94%
0 0 0New 81.34% 14.00 0 0In the money 0New 88.36%
289 314 +25 91.23% 15.00 22 22In the money 0 75.33%
0 0 0New 87.65% 16.00 0 0In the money 0New 102.45%
17 27 +10 88.52% 17.50 0 1In the money +1New 108.54%
81 81 0 89.42% 20.00 24 24In the money 0 88.71%
18 18 0 95.47% 22.50 0 0In the money 0New 0.00%
26 32 +6 114.34% 25.00 5 5In the money 0 0.00%
45 45 0 104.81% 30.00 0 0In the money 0New 0.00%
Jun 17, 2027EXPIRATION36 contracts / 18 strikes
SAVED STOCK PRICE$10.73Nearest ATM strike $11.00
Jump to ATM
ARCT 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 118.81% 4.00 0 0 0New 142.76%
0 0In the money 0New 93.88% 5.00 0 0 0New 107.13%
0 0In the money 0New 77.57% 6.00 0 0 0New 189.73%
0 0In the money 0New 74.24% 7.00 0 0 0New 121.25%
0 0In the money 0New 115.22% 8.00 0 0 0New 135.43%
0 1In the money +1New 76.34% 9.00 0 0 0New 121.20%
7 7In the money 0 88.13% 10.00 0 0 0New 102.08%
STOCK PRICE $10.73
0 0 0New 85.93% 11.00NEAREST ATM 0 0In the money 0New 84.25%
0 0 0New 94.42% 12.00 0 0In the money 0New 96.31%
1 1 0 76.59% 13.00 1 1In the money 0 86.15%
0 0 0New 102.84% 14.00 0 0In the money 0New 83.87%
0 0 0New 107.86% 15.00 0 0In the money 0New 76.08%
0 0 0New 112.19% 16.00 0 0In the money 0New 82.21%
0 0 0New 114.53% 17.00 0 0In the money 0New 84.69%
0 0 0New 120.73% 18.00 0 0In the money 0New 89.76%
0 0 0New 124.37% 19.00 0 0In the money 0New 88.00%
0 0 0New 129.13% 20.00 5 5In the money 0 87.21%
0 0 0New 144.20% 25.00 0 0In the money 0New 91.03%

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