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 Some data may be out of date.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

PRTA

Daily option chain

Daily open interest

vs Oct 20, 2026

Saved stock price: $8.25 · 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
182 contracts / 6 expirationsClick OI for history
Nov 20, 2026EXPIRATION32 contracts / 16 strikes
SAVED STOCK PRICE$8.25Nearest ATM strike $8.00
Jump to ATM
PRTA option chain expiring 2026-11-20, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 0.00% 2.00 0 0 0New 0.00%
0 0In the money 0New 0.00% 3.00 0 0 0New 547.02%
0 0In the money 0New 0.00% 4.00 0 0 0New 471.20%
0 0In the money 0New 0.00% 5.00 0 0 0New 321.60%
0 0In the money 0New 142.29% 6.00 0 0 0New 317.91%
5 5In the money 0 219.49% 7.00 0 0 0New 186.74%
81 81In the money 0 270.61% 8.00NEAREST ATM 0 0 0New 46.14%
STOCK PRICE $8.25
43 1,028 +985 61.28% 9.00 1 1In the money 0 227.54%
54 56 +2 68.34% 10.00 0 0In the money 0New 145.73%
0 0 0New 196.41% 11.00 0 0In the money 0New 174.27%
1 1 0 171.48% 12.00 0 0In the money 0New 0.00%
0 0 0New 159.04% 13.00 0 0In the money 0New 135.48%
0 0 0New 144.51% 14.00 0 0In the money 0New 149.86%
0 0 0New 379.70% 15.00 0 0In the money 0New 230.94%
0 0 0New 442.38% 16.00 0 0In the money 0New 244.34%
0 0 0New 0.00% 1000.00 0 0In the money 0New 380.37%
Dec 18, 2026EXPIRATION36 contracts / 18 strikes
SAVED STOCK PRICE$8.25Nearest ATM strike $8.00
Jump to ATM
PRTA option chain expiring 2026-12-18, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
1 1In the money 0 0.00% 3.00 0 0 0New 806.49%
0 0In the money 0New 82.22% 4.00 0 0 0New 552.24%
3 3In the money 0 141.65% 5.00 0 0 0New 423.43%
12 12In the money 0 89.80% 6.00 1,720 1,720 0 66.85%
0 0In the money 0New 148.47% 7.00 328 328 0 266.28%
80 80In the money 0 115.67% 8.00NEAREST ATM 2 2 0 66.96%
STOCK PRICE $8.25
50 50 0 87.45% 9.00 123 123In the money 0 131.67%
89 89 0 77.55% 10.00 1 1In the money 0 104.42%
2,018 2,018 0 89.96% 11.00 0 0In the money 0New 87.99%
91 91 0 71.99% 12.00 0 0In the money 0New 91.77%
30 30 0 142.24% 13.00 0 0In the money 0New 156.51%
83 83 0 137.31% 14.00 0 0In the money 0New 155.47%
102 102 0 134.08% 15.00 0 0In the money 0New 0.00%
15 15 0 316.44% 16.00 0 0In the money 0New 0.00%
0 0 0New 325.63% 17.00 0 0In the money 0New 126.82%
10 10 0 192.22% 18.00 0 0In the money 0New 0.00%
0 0 0New 341.94% 19.00 0 0In the money 0New 156.22%
0 0 0New 203.88% 20.00 0 0In the money 0New 155.55%
Jan 15, 2027EXPIRATION30 contracts / 15 strikes
SAVED STOCK PRICE$8.25Nearest ATM strike $8.00
Jump to ATM
PRTA option chain expiring 2027-01-15, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 97.26% 3.00 0 0 0New 663.28%
15 15In the money 0 77.90% 5.00 0 0 0New 347.90%
10 10In the money 0 73.06% 6.00 0 0 0New 156.22%
10 10In the money 0 55.86% 7.00 10 10 0 81.50%
3 3In the money 0 74.67% 8.00NEAREST ATM 2 2 0 91.48%
STOCK PRICE $8.25
131 131 0 171.04% 9.00 12 12In the money 0 114.98%
103 117 +14 48.40% 10.00 3 3In the money 0 89.68%
35 35 0 61.24% 11.00 1 1In the money 0 88.03%
103 103 0 220.44% 12.00 12 12In the money 0 89.27%
37 37 0 125.23% 13.00 0 0In the money 0New 81.78%
1 1 0 241.87% 14.00 0 0In the money 0New 90.64%
1,337 1,277 -60 116.28% 15.00 0 0In the money 0New 98.65%
0 0 0New 259.19% 16.00 0 0In the money 0New 106.00%
1 1 0 266.72% 17.00 0 0In the money 0New 112.78%
1 1 0 191.36% 20.00 0 0In the money 0New 130.55%
Mar 19, 2027EXPIRATION34 contracts / 17 strikes
SAVED STOCK PRICE$8.25Nearest ATM strike $8.00
Jump to ATM
PRTA option chain expiring 2027-03-19, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 0.00% 2.00 0 0 0New 0.00%
0 0In the money 0New 0.00% 3.00 0 0 0New 363.46%
0 0In the money 0New 49.81% 4.00 0 0 0New 247.34%
0 0In the money 0New 92.97% 5.00 0 0 0New 266.09%
0 0In the money 0New 78.69% 6.00 0 0 0New 148.38%
0 0In the money 0New 92.45% 7.00 0 0 0New 147.00%
166 166In the money 0 114.46% 8.00NEAREST ATM 0 0 0New 131.93%
STOCK PRICE $8.25
0 0 0New 130.43% 9.00 35 35In the money 0 88.17%
20 20 0 86.14% 10.00 0 0In the money 0New 80.32%
1 1 0 132.70% 11.00 0 0In the money 0New 90.10%
4 4 0 122.34% 12.00 0 0In the money 0New 79.77%
22 22 0 174.30% 13.00 0 0In the money 0New 96.61%
0 0 0New 111.55% 14.00 0 0In the money 0New 80.76%
0 0 0New 124.65% 15.00 0 0In the money 0New 87.40%
0 0 0New 195.18% 16.00 0 0In the money 0New 85.86%
0 0 0New 131.17% 17.00 0 0In the money 0New 91.30%
0 0 0New 142.19% 1000.00 0 0In the money 0New 0.00%
Jun 17, 2027EXPIRATION34 contracts / 17 strikes
SAVED STOCK PRICE$8.25Nearest ATM strike $8.00
Jump to ATM
PRTA 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 0.00% 2.00 0 0 0New 0.00%
0 0In the money 0New 0.00% 3.00 0 0 0New 405.56%
0 0In the money 0New 86.54% 4.00 0 0 0New 236.42%
0 0In the money 0New 82.26% 5.00 0 0 0New 139.24%
0 0In the money 0New 79.84% 6.00 0 0 0New 129.22%
0 0In the money 0New 71.56% 7.00 0 0 0New 78.40%
0 0In the money 0New 92.35% 8.00NEAREST ATM 0 0 0New 106.86%
STOCK PRICE $8.25
0 0 0New 99.96% 9.00 0 0In the money 0New 83.81%
0 0 0New 103.20% 10.00 0 0In the money 0New 84.34%
0 0 0New 122.09% 11.00 0 0In the money 0New 73.31%
0 0 0New 81.41% 12.00 0 0In the money 0New 71.76%
0 0 0New 104.53% 13.00 0 0In the money 0New 70.40%
0 0 0New 75.82% 14.00 0 0In the money 0New 66.98%
0 0 0New 118.03% 15.00 0 0In the money 0New 72.49%
0 0 0New 153.33% 16.00 0 0In the money 0New 71.67%
0 0 0New 157.88% 17.00 0 0In the money 0New 76.21%
0 0 0New 110.92% 1000.00 0 0In the money 0New 0.00%
Jan 21, 2028EXPIRATION16 contracts / 8 strikes
SAVED STOCK PRICE$8.25Nearest ATM strike $7.00
Jump to ATM
PRTA option chain expiring 2028-01-21, open interest on 2026-10-23 compared with 2026-10-20
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
1 1In the money 0 71.52% 3.00 0 0 0New 312.22%
4 4In the money 0 64.08% 5.00 0 0 0New 99.63%
9 9In the money 0 66.22% 7.00NEAREST ATM 6 6 0 67.32%
STOCK PRICE $8.25
3 3 0 81.60% 10.00 2 2In the money 0 57.34%
2 3 +1 94.04% 12.00 19 19In the money 0 60.30%
84 84 0 107.49% 15.00 1 1In the money 0 59.58%
1 1 0 114.43% 17.00 0 0In the money 0New 63.35%
157 157 0 58.70% 20.00 0 0In the money 0New 73.07%

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