OI update signal: Likely updated MSFT / AAPL · Checked Oct 26, 11:45 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 Some data may be out of date.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

ARDX

Daily option chain

Daily open interest

vs Oct 16, 2026

Saved stock price: $3.24 · Expirations before Oct 20, 2026 hidden automatically.

ITM In the money Unshaded: out of the money ATM Strike equals stock price Based on the saved stock price
170 contracts / 6 expirationsClick OI for history
Nov 20, 2026EXPIRATION26 contracts / 13 strikes
SAVED STOCK PRICE$3.24Nearest ATM strike $3.00
Jump to ATM
ARDX option chain expiring 2026-11-20, open interest on 2026-10-20 compared with 2026-10-16
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 284.50% 1.50 0 0 0New 482.75%
70 70In the money 0 123.33% 2.00 0 0 0New 295.57%
0 0In the money 0New 308.05% 2.50 0 0 0New 83.26%
147 147In the money 0 346.02% 3.00NEAREST ATM 94 206 +112 77.06%
STOCK PRICE $3.24
21 87 +66 73.07% 3.50 1 1In the money 0 204.69%
202 191 -11 54.64% 4.00 0 0In the money 0New 318.29%
0 0 0New 230.04% 4.50 0 0In the money 0New 241.78%
4 4 0 108.88% 5.00 0 0In the money 0New 354.27%
0 0 0New 296.96% 5.50 0 0In the money 0New 115.03%
1 1 0 221.41% 6.00 0 0In the money 0New 183.61%
30 30 0 143.45% 7.00 0 0In the money 0New 211.74%
1 1 0 0.00% 500.00 0 0In the money 0New 384.84%
0 0 0New 0.00% 1000.00 0 0In the money 0New 0.00%
Dec 18, 2026EXPIRATION24 contracts / 12 strikes
SAVED STOCK PRICE$3.24Nearest ATM strike $3.00
Jump to ATM
ARDX option chain expiring 2026-12-18, open interest on 2026-10-20 compared with 2026-10-16
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 158.35% 1.50 0 0 0New 299.25%
0 0In the money 0New 76.82% 2.00 0 0 0New 215.82%
0 4In the money +4New 83.59% 2.50 0 0 0New 153.07%
0 0In the money 0New 65.55% 3.00NEAREST ATM 0 0 0New 99.55%
STOCK PRICE $3.24
0 0 0New 89.99% 3.50 0 0In the money 0New 37.68%
0 0 0New 113.74% 4.00 0 0In the money 0New 80.34%
0 0 0New 140.58% 4.50 0 0In the money 0New 183.08%
0 0 0New 86.96% 5.00 0 0In the money 0New 111.47%
0 0 0New 99.48% 5.50 0 0In the money 0New 138.67%
0 0 0New 100.26% 6.00 0 0In the money 0New 138.12%
0 0 0New 0.00% 500.00 0 0In the money 0New 279.95%
0 0 0New 0.00% 1000.00 0 0In the money 0New 432.64%
Jan 15, 2027EXPIRATION40 contracts / 20 strikes
SAVED STOCK PRICE$3.24Nearest ATM strike $3.00
Jump to ATM
ARDX option chain expiring 2027-01-15, open interest on 2026-10-20 compared with 2026-10-16
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 157.90% 1.50 0 0 0New 247.68%
305 370In the money +65 0.00% 2.00 100 100 0 372.10%
0 0In the money 0New 110.58% 2.50 0 0 0New 106.19%
2,296 2,296In the money 0 125.37% 3.00NEAREST ATM 55,334 75,334 +20,000 61.69%
STOCK PRICE $3.24
15 16 +1 96.13% 3.50 0 0In the money 0New 41.51%
2,688 2,700 +12 67.40% 4.00 101,115 101,115In the money 0 72.92%
0 0 0New 194.00% 4.50 0 0In the money 0New 80.90%
12,489 12,651 +162 70.72% 5.00 1,384 1,305In the money -79 123.38%
0 0 0New 141.91% 5.50 0 0In the money 0New 178.31%
142 142 0 130.17% 6.00 9 9In the money 0 87.46%
5,811 5,811 0 84.33% 7.00 445 444In the money -1 103.33%
225 225 0 95.51% 8.00 1 1In the money 0 116.70%
21 21 0 179.38% 9.00 0 0In the money 0New 148.82%
2,568 2,567 -1 127.52% 10.00 0 0In the money 0New 159.67%
112 112 0 219.03% 11.00 3 3In the money 0 169.36%
1,582 1,582 0 184.36% 12.00 0 0In the money 0New 178.12%
7 7 0 214.97% 13.00 0 0In the money 0New 186.13%
56 56 0 365.25% 15.00 0 0In the money 0New 270.39%
0 0 0New 0.00% 500.00 0 0In the money 0New 231.30%
106 106 0 180.78% 1000.00 12 12In the money 0 0.00%
Apr 16, 2027EXPIRATION28 contracts / 14 strikes
SAVED STOCK PRICE$3.24Nearest ATM strike $3.00
Jump to ATM
ARDX option chain expiring 2027-04-16, open interest on 2026-10-20 compared with 2026-10-16
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 0.00% 1.50 0 0 0New 389.46%
1 1In the money 0 135.84% 2.00 0 0 0New 78.30%
0 0In the money 0New 39.08% 2.50 0 0 0New 91.75%
857 857In the money 0 67.45% 3.00NEAREST ATM 250 250 0 67.33%
STOCK PRICE $3.24
58 58 0 149.91% 3.50 0 0In the money 0New 153.61%
640 658 +18 67.01% 4.00 707 707In the money 0 49.26%
0 0 0New 165.99% 4.50 0 0In the money 0New 68.54%
470 471 +1 55.84% 5.00 1 1In the money 0 103.63%
0 0 0New 96.71% 5.50 0 0In the money 0New 119.11%
81 82 +1 130.16% 6.00 35 35In the money 0 121.82%
10 10 0 129.26% 7.00 0 0In the money 0New 127.02%
100 100 0 142.92% 8.00 0 0In the money 0New 0.00%
0 0 0New 0.00% 500.00 0 0In the money 0New 0.00%
0 0 0New 330.01% 1000.00 0 0In the money 0New 0.00%
Jan 21, 2028EXPIRATION28 contracts / 14 strikes
SAVED STOCK PRICE$3.24Nearest ATM strike $3.00
Jump to ATM
ARDX option chain expiring 2028-01-21, open interest on 2026-10-20 compared with 2026-10-16
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 139.81% 1.50 0 0 0New 0.00%
3,076 3,078In the money +2 52.36% 2.00 11 12 +1 0.00%
0 0In the money 0New 36.22% 2.50 0 0 0New 0.00%
518 518In the money 0 98.64% 3.00NEAREST ATM 118 118 0 60.85%
STOCK PRICE $3.24
0 0 0New 199.14% 3.50 0 0In the money 0New 204.21%
650 800 +150 86.54% 4.00 214 214In the money 0 198.51%
0 0 0New 212.51% 4.50 0 0In the money 0New 126.70%
2,086 2,086 0 73.22% 5.00 264 264In the money 0 101.46%
0 0 0New 222.43% 5.50 0 0In the money 0New 68.70%
638 641 +3 86.36% 7.00 510 511In the money +1 0.00%
797 795 -2 86.07% 10.00 35 33In the money -2 0.00%
653 653 0 75.99% 12.00 1 0In the money -1 117.09%
599 600 +1 92.44% 15.00 0 0In the money 0New 130.35%
75 75 0 81.79% 1000.00 0 0In the money 0New 0.00%
Jan 19, 2029EXPIRATION24 contracts / 12 strikes
SAVED STOCK PRICE$3.24Nearest ATM strike $3.00
Jump to ATM
ARDX option chain expiring 2029-01-19, open interest on 2026-10-20 compared with 2026-10-16
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 84.63% 1.50 0 0 0New 0.00%
11 11In the money 0 106.34% 2.00 0 0 0New 0.00%
0 0In the money 0New 119.32% 2.50 0 0 0New 0.00%
41 41In the money 0 140.02% 3.00NEAREST ATM 2 2 0 221.56%
STOCK PRICE $3.24
0 0 0New 135.73% 3.50 0 0In the money 0New 77.45%
93 93 0 183.75% 4.00 1 1In the money 0 79.25%
0 0 0New 146.41% 4.50 0 0In the money 0New 102.68%
0 0 0New 154.68% 5.00 0 0In the money 0New 80.86%
0 0 0New 154.24% 5.50 0 0In the money 0New 86.50%
5 7 +2 171.06% 7.00 0 0In the money 0New 71.97%
0 0 0New 0.00% 500.00 0 0In the money 0New 0.00%
10 10 0 80.20% 1000.00 0 0In the money 0New 0.00%

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