OI update signal: Not confirmed 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 Some data may be out of date.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

PRTA

Daily option chain

Daily open interest

vs Oct 16, 2026 · Latest

Saved stock price: $8.50 · 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
182 contracts / 6 expirationsClick OI for history
Nov 20, 2026EXPIRATION32 contracts / 16 strikes
SAVED STOCK PRICE$8.50Nearest ATM strike $8.00
Jump to ATM
PRTA 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 291.05% 2.00 0 0 0New 741.57%
0 0In the money 0New 211.68% 3.00 0 0 0New 440.65%
0 0In the money 0New 103.98% 4.00 0 0 0New 407.62%
0 0In the money 0New 175.12% 5.00 0 0 0New 578.65%
0 0In the money 0New 186.41% 6.00 0 0 0New 332.73%
5 5In the money 0 184.77% 7.00 0 0 0New 247.32%
80 81In the money +1 232.62% 8.00NEAREST ATM 0 0 0New 73.35%
STOCK PRICE $8.50
38 43 +5 49.84% 9.00 1 1In the money 0 64.36%
53 54 +1 59.19% 10.00 0 0In the money 0New 155.61%
0 0 0New 307.11% 11.00 0 0In the money 0New 81.94%
1 1 0 157.42% 12.00 0 0In the money 0New 0.00%
0 0 0New 146.60% 13.00 0 0In the money 0New 91.33%
0 0 0New 133.63% 14.00 0 0In the money 0New 0.00%
0 0 0New 262.12% 15.00 0 0In the money 0New 0.00%
0 0 0New 264.53% 16.00 0 0In the money 0New 124.86%
0 0 0New 436.73% 1000.00 0 0In the money 0New 371.42%
Dec 18, 2026EXPIRATION36 contracts / 18 strikes
SAVED STOCK PRICE$8.50Nearest ATM strike $8.00
Jump to ATM
PRTA option chain expiring 2026-12-18, open interest on 2026-10-20 compared with 2026-10-16
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
1 1In the money 0 154.65% 3.00 0 0 0New 309.57%
0 0In the money 0New 131.75% 4.00 0 0 0New 506.82%
3 3In the money 0 96.84% 5.00 0 0 0New 306.49%
12 12In the money 0 92.33% 6.00 1,720 1,720 0 64.74%
0 0In the money 0New 133.80% 7.00 328 328 0 117.15%
80 80In the money 0 140.54% 8.00NEAREST ATM 2 2 0 96.93%
STOCK PRICE $8.50
50 50 0 63.88% 9.00 123 123In the money 0 168.18%
89 89 0 105.81% 10.00 1 1In the money 0 113.85%
2,018 2,018 0 84.41% 11.00 0 0In the money 0New 71.54%
91 91 0 94.02% 12.00 0 0In the money 0New 79.96%
30 30 0 241.51% 13.00 0 0In the money 0New 73.98%
83 83 0 129.06% 14.00 0 0In the money 0New 0.00%
102 102 0 126.40% 15.00 0 0In the money 0New 0.00%
15 15 0 166.52% 16.00 0 0In the money 0New 0.00%
0 0 0New 295.21% 17.00 0 0In the money 0New 101.73%
10 10 0 303.65% 18.00 0 0In the money 0New 0.00%
0 0 0New 311.46% 19.00 0 0In the money 0New 0.00%
0 0 0New 270.40% 20.00 0 0In the money 0New 0.00%
Jan 15, 2027EXPIRATION30 contracts / 15 strikes
SAVED STOCK PRICE$8.50Nearest ATM strike $8.00
Jump to ATM
PRTA 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 146.56% 3.00 0 0 0New 320.65%
15 15In the money 0 111.20% 5.00 0 0 0New 253.17%
10 10In the money 0 69.58% 6.00 0 0 0New 121.63%
10 10In the money 0 141.51% 7.00 10 10 0 85.56%
3 3In the money 0 138.74% 8.00NEAREST ATM 2 2 0 78.73%
STOCK PRICE $8.50
129 131 +2 55.36% 9.00 12 12In the money 0 62.52%
103 103 0 72.97% 10.00 3 3In the money 0 48.06%
35 35 0 55.95% 11.00 1 1In the money 0 46.43%
103 103 0 98.82% 12.00 12 12In the money 0 62.42%
37 37 0 111.31% 13.00 0 0In the money 0New 0.00%
1 1 0 230.38% 14.00 0 0In the money 0New 0.00%
1,360 1,337 -23 103.96% 15.00 0 0In the money 0New 0.00%
0 0 0New 135.19% 16.00 0 0In the money 0New 132.21%
1 1 0 221.88% 17.00 0 0In the money 0New 139.59%
1 1 0 208.46% 20.00 0 0In the money 0New 158.69%
Mar 19, 2027EXPIRATION34 contracts / 17 strikes
SAVED STOCK PRICE$8.50Nearest ATM strike $8.00
Jump to ATM
PRTA option chain expiring 2027-03-19, open interest on 2026-10-20 compared with 2026-10-16
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 144.85% 2.00 0 0 0New 284.27%
0 0In the money 0New 0.00% 3.00 0 0 0New 315.94%
0 0In the money 0New 0.00% 4.00 0 0 0New 165.54%
0 0In the money 0New 63.16% 5.00 0 0 0New 130.76%
0 0In the money 0New 51.85% 6.00 0 0 0New 117.77%
0 0In the money 0New 95.30% 7.00 0 0 0New 95.41%
166 166In the money 0 75.78% 8.00NEAREST ATM 0 0 0New 72.93%
STOCK PRICE $8.50
0 0 0New 121.53% 9.00 35 35In the money 0 90.58%
20 20 0 63.47% 10.00 0 0In the money 0New 61.76%
1 1 0 148.66% 11.00 0 0In the money 0New 57.60%
4 4 0 157.52% 12.00 0 0In the money 0New 80.59%
22 22 0 78.26% 13.00 0 0In the money 0New 66.68%
0 0 0New 126.57% 14.00 0 0In the money 0New 62.15%
0 0 0New 123.97% 15.00 0 0In the money 0New 0.00%
0 0 0New 117.77% 16.00 0 0In the money 0New 68.08%
0 0 0New 143.08% 17.00 0 0In the money 0New 0.00%
0 0 0New 193.07% 1000.00 0 0In the money 0New 541.78%
Jun 17, 2027EXPIRATION34 contracts / 17 strikes
SAVED STOCK PRICE$8.50Nearest ATM strike $8.00
Jump to ATM
PRTA option chain expiring 2027-06-17, open interest on 2026-10-20 compared with 2026-10-16
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 111.15% 2.00 0 0 0New 242.61%
0 0In the money 0New 0.00% 3.00 0 0 0New 175.10%
0 0In the money 0New 0.00% 4.00 0 0 0New 136.26%
0 0In the money 0New 47.64% 5.00 0 0 0New 109.55%
0 0In the money 0New 63.08% 6.00 0 0 0New 134.36%
0 0In the money 0New 74.87% 7.00 0 0 0New 80.27%
0 0In the money 0New 82.55% 8.00NEAREST ATM 0 0 0New 68.14%
STOCK PRICE $8.50
0 0 0New 60.84% 9.00 0 0In the money 0New 85.80%
0 0 0New 106.30% 10.00 0 0In the money 0New 72.13%
0 0 0New 77.95% 11.00 0 0In the money 0New 59.01%
0 0 0New 75.89% 12.00 0 0In the money 0New 60.34%
0 0 0New 99.50% 13.00 0 0In the money 0New 55.95%
0 0 0New 74.14% 14.00 0 0In the money 0New 56.27%
0 0 0New 104.75% 15.00 0 0In the money 0New 58.07%
0 0 0New 141.92% 16.00 0 0In the money 0New 58.40%
0 0 0New 135.55% 17.00 0 0In the money 0New 0.00%
0 0 0New 150.53% 1000.00 0 0In the money 0New 432.94%
Jan 21, 2028EXPIRATION16 contracts / 8 strikes
SAVED STOCK PRICE$8.50Nearest ATM strike $7.00
Jump to ATM
PRTA option chain expiring 2028-01-21, open interest on 2026-10-20 compared with 2026-10-16
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
1 1In the money 0 94.79% 3.00 0 0 0New 314.72%
4 4In the money 0 76.42% 5.00 0 0 0New 101.85%
6 9In the money +3 58.53% 7.00NEAREST ATM 6 6 0 104.62%
STOCK PRICE $8.50
3 3 0 76.28% 10.00 2 2In the money 0 61.34%
2 2 0 89.11% 12.00 19 19In the money 0 62.49%
83 84 +1 102.86% 15.00 1 1In the money 0 63.50%
1 1 0 109.91% 17.00 0 0In the money 0New 0.00%
157 157 0 85.53% 20.00 0 0In the money 0New 0.00%

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