OI update signal: Not confirmed MSFT / AAPL · Checked Oct 23, 09:56 EDT
The latest collection has not completed. Some symbols may not be updated yet.
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

ACHR

Daily option chain

Daily open interest

vs Oct 21, 2026

Saved stock price: $3.74 · 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
392 contracts / 12 expirationsClick OI for history
Oct 23, 2026EXPIRATION42 contracts / 21 strikes
SAVED STOCK PRICE$3.74Nearest ATM strike $3.50
Jump to ATM
ACHR option chain expiring 2026-10-23, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
85 91In the money +6 0.00% 1.50 2 102 +100 0.00%
61 147In the money +86 0.00% 2.00 6 7 +1 0.00%
93 93In the money 0 0.00% 2.50 6 5 -1 0.00%
90 85In the money -5 625.60% 3.00 41 50 +9 443.86%
88 304In the money +216 0.00% 3.50NEAREST ATM 360 403 +43 168.76%
STOCK PRICE $3.74
815 2,136 +1,321 162.82% 4.00 1,826 1,847In the money +21 258.32%
3,779 4,029 +250 366.59% 4.50 404 335In the money -69 0.00%
1,962 1,962 0 531.22% 5.00 733 144In the money -589 0.00%
3,411 3,415 +4 672.32% 5.50 182 58In the money -124 0.00%
1,081 1,072 -9 796.48% 6.00 62 63In the money +1 0.00%
600 600 0 0.00% 6.50 20 8In the money -12 0.00%
1,757 1,755 -2 0.00% 7.00 17 13In the money -4 0.00%
312 312 0 0.00% 7.50 0 1In the money +1New 0.00%
406 406 0 0.00% 8.00 1 6In the money +5 0.00%
38 39 +1 0.00% 8.50 4 0In the money -4 0.00%
41 41 0 0.00% 9.00 4 5In the money +1 0.00%
8 7 -1 0.00% 9.50 3 2In the money -1 0.00%
1 1 0 0.00% 10.00 4 1In the money -3 0.00%
1 1 0 0.00% 10.50 1 16In the money +15 0.00%
2 2 0 0.00% 11.00 9 0In the money -9 0.00%
305 314 +9 0.00% 1000.00 3 3In the money 0 0.00%
Oct 30, 2026EXPIRATION42 contracts / 21 strikes
SAVED STOCK PRICE$3.74Nearest ATM strike $3.50
Jump to ATM
ACHR option chain expiring 2026-10-30, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
74 75In the money +1 376.36% 1.50 8 9 +1 331.24%
109 117In the money +8 329.42% 2.00 2 4 +2 412.55%
54 51In the money -3 305.07% 2.50 140 146 +6 193.95%
32 33In the money +1 126.18% 3.00 133 193 +60 306.31%
16 58In the money +42 81.63% 3.50NEAREST ATM 861 1,058 +197 75.99%
STOCK PRICE $3.74
555 1,037 +482 77.82% 4.00 560 592In the money +32 76.59%
1,618 1,945 +327 86.12% 4.50 894 893In the money -1 91.50%
2,114 2,202 +88 113.22% 5.00 1,041 999In the money -42 188.12%
3,099 3,087 -12 127.86% 5.50 330 186In the money -144 283.44%
8,346 8,293 -53 168.02% 6.00 155 157In the money +2 0.00%
533 530 -3 203.56% 6.50 37 37In the money 0 0.00%
893 893 0 211.44% 7.00 6 7In the money +1 0.00%
293 295 +2 244.62% 7.50 4 4In the money 0 264.57%
167 167 0 226.04% 8.00 0 3In the money +3New 283.42%
1 1 0 263.47% 8.50 1 4In the money +3 0.00%
16 17 +1 255.03% 9.00 0 0In the money 0New 0.00%
3 3 0 376.64% 9.50 0 0In the money 0New 331.98%
81 81 0 280.41% 10.00 0 0In the money 0New 0.00%
1 5 +4 499.05% 10.50 0 1In the money +1New 0.00%
0 0 0New 302.95% 11.00 0 2In the money +2New 0.00%
88 92 +4 0.00% 1000.00 12 8In the money -4 467.04%
Nov 06, 2026EXPIRATION42 contracts / 21 strikes
SAVED STOCK PRICE$3.74Nearest ATM strike $3.50
Jump to ATM
ACHR option chain expiring 2026-11-06, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
342 343In the money +1 312.83% 1.50 17 18 +1 236.59%
176 197In the money +21 194.71% 2.00 111 111 0 319.71%
47 47In the money 0 125.98% 2.50 41 41 0 231.22%
6 8In the money +2 82.11% 3.00 19 26 +7 161.64%
134 228In the money +94 87.32% 3.50NEAREST ATM 483 1,250 +767 120.97%
STOCK PRICE $3.74
419 658 +239 86.80% 4.00 285 290In the money +5 86.21%
2,148 2,061 -87 92.03% 4.50 815 870In the money +55 99.58%
732 1,437 +705 100.69% 5.00 752 782In the money +30 117.30%
480 489 +9 119.82% 5.50 325 324In the money -1 135.12%
751 752 +1 162.72% 6.00 334 330In the money -4 0.00%
701 701 0 122.72% 6.50 5 5In the money 0 0.00%
67 67 0 180.31% 7.00 4 4In the money 0 316.69%
20 20 0 189.06% 7.50 2 1In the money -1 0.00%
2 3 +1 268.57% 8.00 6 6In the money 0 0.00%
0 0 0New 215.01% 8.50 2 2In the money 0 0.00%
10 10 0 226.58% 9.00 1 2In the money +1 0.00%
0 1 +1New 331.58% 9.50 1 4In the money +3 246.62%
4 4 0 343.61% 10.00 0 0In the money 0New 0.00%
2 2 0 354.88% 10.50 0 2In the money +2New 0.00%
1 1 0 215.41% 11.00 0 3In the money +3New 0.00%
482 482 0 0.00% 1000.00 2 2In the money 0 333.36%
Nov 13, 2026EXPIRATION38 contracts / 19 strikes
SAVED STOCK PRICE$3.74Nearest ATM strike $3.50
Jump to ATM
ACHR option chain expiring 2026-11-13, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
19 23In the money +4 360.56% 1.50 0 0 0New 193.66%
234 239In the money +5 324.48% 2.00 23 23 0 395.59%
2 2In the money 0 110.96% 2.50 0 0 0New 142.32%
2 2In the money 0 95.27% 3.00 56 57 +1 86.57%
23 28In the money +5 94.39% 3.50NEAREST ATM 101 182 +81 89.48%
STOCK PRICE $3.74
22 1,595 +1,573 94.41% 4.00 957 1,204In the money +247 89.66%
3,354 3,360 +6 101.29% 4.50 1,867 1,868In the money +1 128.98%
4,686 4,702 +16 99.60% 5.00 177 205In the money +28 110.84%
2,098 2,054 -44 131.21% 5.50 113 113In the money 0 176.03%
280 284 +4 127.05% 6.00 222 221In the money -1 112.80%
541 541 0 118.68% 6.50 4 3In the money -1 207.40%
10 10 0 160.52% 7.00 14 14In the money 0 0.00%
12 14 +2 312.74% 7.50 0 0In the money 0New 0.00%
8 8 0 153.16% 8.00 1 2In the money +1 0.00%
0 0 0New 200.10% 8.50 0 0In the money 0New 0.00%
1 1 0 185.98% 9.00 0 0In the money 0New 366.95%
0 1 +1New 365.78% 9.50 1 1In the money 0 345.04%
1 1 0 228.64% 10.00 0 0In the money 0New 268.30%
31 96 +65 691.96% 1000.00 6 18In the money +12 272.96%
Nov 20, 2026EXPIRATION38 contracts / 19 strikes
SAVED STOCK PRICE$3.74Nearest ATM strike $3.50
Jump to ATM
ACHR option chain expiring 2026-11-20, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
16 21In the money +5 785.61% 1.50 1 2 +1 305.56%
292 313In the money +21 182.52% 2.00 21 21 0 343.72%
2 2In the money 0 378.54% 2.50 1 1 0 204.33%
15 15In the money 0 78.31% 3.00 579 636 +57 82.42%
0 7In the money +7New 82.23% 3.50NEAREST ATM 43 276 +233 83.57%
STOCK PRICE $3.74
423 605 +182 82.52% 4.00 2,259 2,377In the money +118 86.20%
972 1,142 +170 91.70% 4.50 32 354In the money +322 97.22%
5,781 5,751 -30 92.10% 5.00 3,026 3,053In the money +27 100.80%
207 221 +14 102.40% 5.50 0 0In the money 0New 110.58%
17,501 17,452 -49 106.76% 6.00 1,005 998In the money -7 116.73%
37 81 +44 123.48% 6.50 3 3In the money 0 261.82%
3,306 3,389 +83 128.21% 7.00 120 118In the money -2 132.42%
2 16 +14 153.44% 7.50 0 1In the money +1New 143.57%
880 879 -1 138.78% 8.00 90 91In the money +1 153.85%
2 3 +1 259.87% 8.50 0 0In the money 0New 288.12%
640 640 0 161.11% 9.00 2 2In the money 0 398.44%
109 109 0 154.28% 10.00 1 1In the money 0 311.70%
0 0 0New 189.10% 11.00 0 0In the money 0New 474.99%
58 75 +17 261.27% 1000.00 7 7In the money 0 237.08%
Nov 27, 2026EXPIRATION36 contracts / 18 strikes
SAVED STOCK PRICE$3.74Nearest ATM strike $3.50
Jump to ATM
ACHR option chain expiring 2026-11-27, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
48 50In the money +2 0.00% 1.50 30 31 +1 413.12%
91 166In the money +75 175.59% 2.00 0 0 0New 308.32%
4 4In the money 0 89.39% 2.50 0 3 +3New 231.02%
4 4In the money 0 98.08% 3.00 2 37 +35 77.70%
1 14In the money +13 84.82% 3.50NEAREST ATM 188 360 +172 80.72%
STOCK PRICE $3.74
286 306 +20 93.79% 4.00 337 350In the money +13 76.09%
278 300 +22 83.73% 4.50 268 411In the money +143 68.44%
378 401 +23 87.79% 5.00 31 32In the money +1 90.29%
235 326 +91 129.00% 5.50 72 72In the money 0 90.28%
467 478 +11 98.74% 6.00 6 7In the money +1 99.04%
129 129 0 138.20% 6.50 2 2In the money 0 0.00%
208 212 +4 148.41% 7.00 3 3In the money 0 0.00%
8 8 0 124.71% 7.50 0 0In the money 0New 0.00%
12 12 0 137.27% 8.00 0 1In the money +1New 0.00%
0 0 0New 265.59% 8.50 2 2In the money 0 0.00%
10 10 0 163.53% 9.00 1 2In the money +1 0.00%
160 160 0 0.00% 500.00 0 0In the money 0New 291.63%
82 96 +14 0.00% 1000.00 0 0In the money 0New 582.50%
Dec 04, 2026EXPIRATION32 contracts / 16 strikes
SAVED STOCK PRICE$3.74Nearest ATM strike $3.50
Jump to ATM
ACHR option chain expiring 2026-12-04, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 129.04% 1.50 0 0 0New 271.22%
0 0In the money 0New 84.97% 2.00 0 0 0New 202.52%
0 0In the money 0New 97.45% 2.50 0 0 0New 149.56%
0 0In the money 0New 0.00% 3.00 0 0 0New 107.47%
0 0In the money 0New 63.29% 3.50NEAREST ATM 0 0 0New 65.05%
STOCK PRICE $3.74
0 0 0New 91.92% 4.00 0 0In the money 0New 77.00%
0 0 0New 89.61% 4.50 0 0In the money 0New 85.12%
0 0 0New 88.92% 5.00 0 0In the money 0New 85.80%
0 5 +5New 83.16% 5.50 0 0In the money 0New 81.19%
0 0 0New 137.20% 6.00 0 0In the money 0New 94.38%
0 0 0New 149.35% 6.50 0 0In the money 0New 87.10%
0 0 0New 161.34% 7.00 0 0In the money 0New 96.56%
0 0 0New 172.14% 7.50 0 0In the money 0New 105.23%
0 0 0New 133.46% 8.00 0 0In the money 0New 113.25%
0 0 0New 0.00% 500.00 0 0In the money 0New 597.96%
0 0 0New 286.93% 1000.00 0 0In the money 0New 377.69%
Dec 18, 2026EXPIRATION18 contracts / 9 strikes
SAVED STOCK PRICE$3.74Nearest ATM strike $4.00
Jump to ATM
ACHR option chain expiring 2026-12-18, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
14 15In the money +1 77.56% 2.00 23 71 +48 109.48%
0 46In the money +46New 87.28% 3.00 20 64 +44 77.51%
STOCK PRICE $3.74
72 106 +34 77.55% 4.00NEAREST ATM 231 281In the money +50 78.25%
520 785 +265 82.34% 5.00 59 72In the money +13 84.04%
157 230 +73 85.01% 6.00 7 8In the money +1 85.55%
300 611 +311 90.27% 7.00 0 10In the money +10New 100.22%
81 103 +22 101.53% 8.00 0 0In the money 0New 116.29%
0 3 +3New 113.65% 9.00 2 3In the money +1 161.81%
11 13 +2 0.00% 1000.00 0 0In the money 0New 205.32%
Jan 15, 2027EXPIRATION38 contracts / 19 strikes
SAVED STOCK PRICE$3.74Nearest ATM strike $4.00
Jump to ATM
ACHR option chain expiring 2027-01-15, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
2,047 2,046In the money -1 73.24% 2.00 1,867 1,868 +1 83.74%
5,230 5,223In the money -7 72.09% 3.00 5,665 6,453 +788 75.42%
STOCK PRICE $3.74
6,403 6,561 +158 76.42% 4.00NEAREST ATM 6,939 6,953In the money +14 75.95%
23,509 24,023 +514 80.38% 5.00 14,468 14,499In the money +31 83.00%
11,086 11,109 +23 86.45% 6.00 4,070 4,089In the money +19 87.04%
64,412 64,013 -399 94.41% 7.00 12,093 12,034In the money -59 102.69%
16,829 16,774 -55 106.62% 8.00 504 485In the money -19 117.56%
15,840 15,827 -13 116.52% 9.00 334 335In the money +1 0.00%
55,666 54,386 -1,280 117.67% 10.00 3,835 3,829In the money -6 122.53%
3,968 3,968 0 123.96% 11.00 145 145In the money 0 142.91%
26,962 27,014 +52 133.40% 12.00 53 52In the money -1 0.00%
4,924 4,924 0 135.70% 13.00 2 2In the money 0 0.00%
22,630 22,590 -40 139.10% 15.00 0 0In the money 0New 190.05%
9,339 9,339 0 151.62% 17.00 2 1In the money -1 202.59%
28,221 28,206 -15 160.66% 20.00 0 0In the money 0New 0.00%
7,157 7,137 -20 164.05% 22.00 0 0In the money 0New 0.00%
23,483 23,481 -2 173.07% 25.00 0 0In the money 0New 0.00%
6,129 6,153 +24 174.28% 27.00 0 0In the money 0New 239.98%
462 464 +2 0.00% 1000.00 3,081 3,081In the money 0 125.14%
Apr 16, 2027EXPIRATION24 contracts / 12 strikes
SAVED STOCK PRICE$3.74Nearest ATM strike $4.00
Jump to ATM
ACHR option chain expiring 2027-04-16, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
450 450In the money 0 84.14% 2.00 41 44 +3 82.38%
254 291In the money +37 75.76% 3.00 554 560 +6 77.35%
STOCK PRICE $3.74
1,390 1,549 +159 76.17% 4.00NEAREST ATM 611 642In the money +31 76.86%
2,369 2,574 +205 79.47% 5.00 1,820 1,842In the money +22 79.06%
2,645 2,986 +341 80.61% 6.00 1,502 1,504In the money +2 82.27%
2,604 2,660 +56 81.94% 7.00 196 231In the money +35 90.59%
992 930 -62 82.93% 8.00 796 814In the money +18 91.38%
1,028 1,007 -21 87.92% 9.00 94 95In the money +1 91.44%
1,029 1,060 +31 94.11% 10.00 73 74In the money +1 92.64%
147 147 0 94.22% 11.00 32 32In the money 0 99.76%
605 620 +15 97.26% 12.00 26 26In the money 0 124.03%
53 53 0 0.00% 1000.00 9 9In the money 0 121.44%
Jan 21, 2028EXPIRATION28 contracts / 14 strikes
SAVED STOCK PRICE$3.74Nearest ATM strike $4.00
Jump to ATM
ACHR option chain expiring 2028-01-21, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
1,492 1,506In the money +14 81.85% 2.00 649 649 0 80.71%
4,923 5,113In the money +190 78.33% 3.00 3,742 3,772 +30 78.61%
STOCK PRICE $3.74
4,783 4,825 +42 79.23% 4.00NEAREST ATM 1,939 1,948In the money +9 79.71%
35,491 36,133 +642 79.46% 5.00 4,745 4,790In the money +45 79.62%
23,184 23,486 +302 80.64% 7.00 3,575 3,888In the money +313 80.64%
22,392 22,913 +521 84.71% 10.00 2,430 2,431In the money +1 82.25%
5,249 5,237 -12 83.06% 12.00 1,048 1,049In the money +1 84.24%
13,260 13,303 +43 86.68% 15.00 375 371In the money -4 0.00%
2,148 2,165 +17 88.90% 17.00 3 3In the money 0 113.06%
9,057 9,275 +218 88.32% 20.00 1 1In the money 0 134.14%
1,612 1,712 +100 91.75% 22.00 0 0In the money 0New 139.90%
1,973 1,987 +14 91.89% 25.00 7 7In the money 0 145.58%
16,817 17,004 +187 94.49% 27.00 0 0In the money 0New 171.34%
994 994 0 79.26% 1000.00 381 381In the money 0 89.52%
Jan 19, 2029EXPIRATION14 contracts / 7 strikes
SAVED STOCK PRICE$3.74Nearest ATM strike $4.00
Jump to ATM
ACHR option chain expiring 2029-01-19, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
515 943In the money +428 81.65% 2.00 197 199 +2 81.37%
259 339In the money +80 77.53% 3.00 113 129 +16 79.70%
STOCK PRICE $3.74
699 763 +64 77.31% 4.00NEAREST ATM 294 347In the money +53 79.59%
2,314 2,486 +172 78.21% 5.00 584 586In the money +2 78.94%
1,277 1,284 +7 80.62% 7.00 177 192In the money +15 79.47%
3,266 3,402 +136 79.62% 10.00 376 377In the money +1 80.18%
82 86 +4 80.19% 1000.00 6 9In the money +3 84.30%

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