OITracker Cboe delayed data
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,FTRE,FWDI,FWRG

CYTK

Daily option chain

Daily open interest

vs Oct 21, 2026

Saved stock price: $61.58 · 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
422 contracts / 8 expirationsClick OI for history
Nov 20, 2026EXPIRATION52 contracts / 26 strikes
SAVED STOCK PRICE$61.58Nearest ATM strike $62.50
Jump to ATM
CYTK option chain expiring 2026-11-20, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 0.00% 30.00 1 1 0 201.10%
0 0In the money 0New 0.00% 35.00 14 14 0 165.04%
0 0In the money 0New 0.00% 40.00 13 13 0 109.06%
0 0In the money 0New 0.00% 45.00 20 20 0 106.12%
0 0In the money 0New 0.00% 47.50 0 0 0New 72.30%
1 1In the money 0 28.94% 50.00 232 231 -1 52.16%
0 0In the money 0New 49.78% 52.50 0 0 0New 73.37%
22 22In the money 0 50.10% 55.00 255 255 0 56.59%
0 0In the money 0New 52.24% 57.50 74 75 +1 54.92%
23 23In the money 0 46.58% 60.00 690 690 0 42.47%
STOCK PRICE $61.58
27 42 +15 51.97% 62.50NEAREST ATM 80 80In the money 0 47.93%
439 439 0 44.04% 65.00 190 191In the money +1 56.87%
45 45 0 58.01% 67.50 0 0In the money 0New 56.97%
2,712 2,723 +11 54.90% 70.00 353 353In the money 0 58.12%
3 3 0 53.18% 72.50 0 0In the money 0New 58.34%
602 602 0 55.78% 75.00 461 461In the money 0 59.35%
593 593 0 60.38% 80.00 130 130In the money 0 60.26%
1,104 1,104 0 62.93% 85.00 76 76In the money 0 62.01%
1,930 1,930 0 75.07% 90.00 26 0In the money -26 80.30%
5 5 0 83.49% 95.00 22 22In the money 0 89.13%
70 70 0 96.05% 100.00 0 0In the money 0New 86.55%
24 23 -1 128.51% 105.00 0 0In the money 0New 93.66%
26 26 0 85.65% 110.00 0 0In the money 0New 107.55%
392 392 0 150.85% 115.00 0 0In the money 0New 114.16%
18 18 0 158.10% 120.00 0 0In the money 0New 120.42%
901 901 0 153.88% 125.00 0 0In the money 0New 126.38%
Dec 18, 2026EXPIRATION36 contracts / 18 strikes
SAVED STOCK PRICE$61.58Nearest ATM strike $62.50
Jump to ATM
CYTK option chain expiring 2026-12-18, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 0.00% 35.00 0 0 0New 117.59%
0 0In the money 0New 0.00% 40.00 0 0 0New 96.60%
0 0In the money 0New 0.00% 42.50 32 32 0 80.03%
0 0In the money 0New 51.29% 45.00 20 20 0 68.83%
0 0In the money 0New 50.36% 47.50 0 0 0New 69.37%
0 0In the money 0New 48.41% 50.00 36 64 +28 52.92%
0 0In the money 0New 49.70% 55.00 0 0 0New 54.49%
0 0In the money 0New 49.63% 57.50 1 1 0 50.71%
0 0In the money 0New 49.42% 60.00 5 5 0 50.48%
STOCK PRICE $61.58
0 0 0New 49.65% 62.50NEAREST ATM 0 0In the money 0New 45.75%
0 0 0New 46.73% 65.00 0 0In the money 0New 51.13%
0 0 0New 51.89% 67.50 0 0In the money 0New 51.50%
321 321 0 53.47% 70.00 300 302In the money +2 52.37%
0 0 0New 43.97% 72.50 0 0In the money 0New 54.76%
82 82 0 52.51% 75.00 0 0In the money 0New 52.28%
0 0 0New 52.62% 80.00 0 0In the money 0New 55.35%
0 0 0New 70.37% 85.00 0 0In the money 0New 61.71%
36 37 +1 61.25% 90.00 0 0In the money 0New 65.06%
Jan 15, 2027EXPIRATION66 contracts / 33 strikes
SAVED STOCK PRICE$61.58Nearest ATM strike $62.50
Jump to ATM
CYTK option chain expiring 2027-01-15, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
110 110In the money 0 106.36% 17.50 13 13 0 122.37%
324 324In the money 0 111.07% 20.00 12 12 0 173.99%
2 2In the money 0 96.15% 22.50 6 6 0 157.51%
291 291In the money 0 90.02% 25.00 6 6 0 143.79%
181 181In the money 0 77.74% 30.00 34 34 0 120.84%
0 0In the money 0New 75.03% 32.50 0 0 0New 109.07%
571 571In the money 0 68.72% 35.00 153 153 0 98.82%
0 0In the money 0New 57.43% 37.50 0 0 0New 89.81%
5,910 5,910In the money 0 71.77% 40.00 72 72 0 83.29%
0 0In the money 0New 57.10% 42.50 0 0 0New 74.99%
141 141In the money 0 55.29% 45.00 45 45 0 68.26%
0 0In the money 0New 54.84% 47.50 0 0 0New 63.02%
519 519In the money 0 54.12% 50.00 215 215 0 59.10%
0 0In the money 0New 53.67% 52.50 0 0 0New 53.36%
191 191In the money 0 53.25% 55.00 605 605 0 59.46%
0 0In the money 0New 53.72% 57.50 0 0 0New 53.32%
634 634In the money 0 53.18% 60.00 801 801 0 52.86%
STOCK PRICE $61.58
0 0 0New 52.97% 62.50NEAREST ATM 0 0In the money 0New 52.32%
1,705 1,712 +7 56.56% 65.00 502 502In the money 0 52.58%
16 16 0 53.44% 67.50 0 0In the money 0New 53.34%
2,219 2,219 0 53.92% 70.00 284 284In the money 0 53.81%
2 2 0 55.23% 72.50 0 0In the money 0New 53.65%
2,742 2,742 0 54.71% 75.00 264 264In the money 0 56.00%
18,731 18,731 0 56.58% 80.00 407 404In the money -3 56.34%
1,234 1,234 0 65.01% 85.00 285 285In the money 0 57.98%
4,753 4,753 0 67.53% 90.00 87 87In the money 0 58.51%
367 364 -3 70.89% 95.00 155 155In the money 0 59.37%
423 423 0 75.37% 100.00 3 1In the money -2 62.94%
63 63 0 79.75% 105.00 0 0In the money 0New 62.14%
66 66 0 73.63% 110.00 0 0In the money 0New 66.55%
88 88 0 87.76% 115.00 0 0In the money 0New 74.49%
286 286 0 91.52% 120.00 0 0In the money 0New 78.61%
18 18 0 80.67% 125.00 0 0In the money 0New 82.53%
Feb 19, 2027EXPIRATION54 contracts / 27 strikes
SAVED STOCK PRICE$61.58Nearest ATM strike $62.50
Jump to ATM
CYTK option chain expiring 2027-02-19, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 0.00% 35.00 0 0 0New 83.51%
0 0In the money 0New 0.00% 37.50 0 0 0New 76.46%
7 7In the money 0 43.06% 40.00 0 0 0New 60.30%
0 0In the money 0New 46.53% 42.50 0 0 0New 66.69%
0 0In the money 0New 49.93% 45.00 1 1 0 58.77%
0 0In the money 0New 49.66% 47.50 0 0 0New 57.39%
21 21In the money 0 50.29% 50.00 2 2 0 54.29%
0 0In the money 0New 53.21% 52.50 0 0 0New 54.82%
0 0In the money 0New 53.89% 55.00 6 6 0 55.13%
0 0In the money 0New 53.37% 57.50 0 0 0New 55.66%
0 0In the money 0New 54.48% 60.00 2 2 0 56.04%
STOCK PRICE $61.58
0 0 0New 54.21% 62.50NEAREST ATM 0 0In the money 0New 56.17%
5 5 0 53.77% 65.00 8 8In the money 0 56.12%
0 0 0New 53.91% 67.50 0 0In the money 0New 55.93%
87 87 0 53.94% 70.00 10 10In the money 0 56.03%
0 0 0New 54.20% 72.50 0 0In the money 0New 56.83%
63 63 0 54.18% 75.00 0 0In the money 0New 55.86%
16 13 -3 53.59% 80.00 1 1In the money 0 55.24%
7 7 0 58.30% 85.00 2 2In the money 0 56.32%
20 20 0 56.53% 90.00 0 0In the money 0New 56.97%
54 54 0 59.52% 95.00 0 0In the money 0New 58.51%
28 28 0 66.79% 100.00 0 0In the money 0New 55.97%
1 1 0 61.21% 105.00 0 0In the money 0New 0.00%
0 0 0New 68.33% 110.00 0 0In the money 0New 0.00%
0 0 0New 74.00% 115.00 0 0In the money 0New 68.22%
17 17 0 57.30% 120.00 0 0In the money 0New 71.88%
1 1 0 80.20% 125.00 0 0In the money 0New 75.35%
May 21, 2027EXPIRATION48 contracts / 24 strikes
SAVED STOCK PRICE$61.58Nearest ATM strike $62.50
Jump to ATM
CYTK option chain expiring 2027-05-21, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 49.77% 32.50 0 0 0New 74.47%
0 0In the money 0New 55.80% 35.00 1 1 0 68.80%
0 0In the money 0New 57.52% 37.50 1 1 0 66.27%
0 0In the money 0New 58.74% 40.00 1 1 0 62.56%
0 0In the money 0New 59.04% 42.50 0 0 0New 61.45%
0 0In the money 0New 61.05% 45.00 1 3 +2 61.66%
0 0In the money 0New 60.64% 47.50 0 0 0New 62.37%
0 0In the money 0New 61.36% 50.00 0 0 0New 62.41%
0 0In the money 0New 61.30% 52.50 0 1,690 +1,690New 62.92%
1 1In the money 0 62.20% 55.00 0 0 0New 63.07%
0 0In the money 0New 62.17% 57.50 0 20 +20New 63.54%
34 34In the money 0 62.77% 60.00 1 1 0 60.89%
STOCK PRICE $61.58
0 0 0New 62.58% 62.50NEAREST ATM 0 0In the money 0New 63.72%
1,842 1,842 0 63.33% 65.00 5 5In the money 0 63.80%
0 0 0New 63.12% 67.50 20 20In the money 0 63.46%
215 215 0 62.54% 70.00 10 10In the money 0 63.53%
0 0 0New 63.21% 72.50 0 0In the money 0New 64.04%
9 9 0 62.48% 75.00 0 0In the money 0New 62.84%
0 0 0New 61.70% 80.00 0 0In the money 0New 61.84%
13 13 0 61.16% 85.00 0 0In the money 0New 60.92%
1 1 0 60.42% 90.00 0 0In the money 0New 60.56%
5 5 0 55.72% 95.00 0 0In the money 0New 60.03%
6 6 0 55.50% 100.00 0 0In the money 0New 59.81%
0 0 0New 58.33% 105.00 0 0In the money 0New 58.61%
Jan 21, 2028EXPIRATION60 contracts / 30 strikes
SAVED STOCK PRICE$61.58Nearest ATM strike $62.50
Jump to ATM
CYTK option chain expiring 2028-01-21, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
250 250In the money 0 56.56% 25.00 4 4 0 59.71%
68 68In the money 0 57.00% 30.00 3 3 0 58.73%
0 0In the money 0New 63.11% 32.50 0 0 0New 63.55%
86 86In the money 0 58.64% 35.00 57 57 0 62.04%
0 0In the money 0New 60.11% 37.50 0 0 0New 62.18%
36 36In the money 0 60.69% 40.00 16 16 0 61.76%
0 0In the money 0New 60.70% 42.50 0 0 0New 62.39%
37 37In the money 0 60.29% 45.00 73 73 0 62.48%
0 0In the money 0New 60.82% 47.50 0 0 0New 62.18%
110 110In the money 0 61.18% 50.00 47 47 0 59.21%
0 0In the money 0New 61.88% 52.50 0 0 0New 61.80%
61 61In the money 0 60.92% 55.00 131 131 0 61.73%
0 0In the money 0New 61.67% 57.50 0 0 0New 61.38%
245 245In the money 0 61.72% 60.00 307 307 0 61.80%
STOCK PRICE $61.58
0 0 0New 61.56% 62.50NEAREST ATM 0 0In the money 0New 61.96%
96 96 0 56.96% 65.00 164 164In the money 0 61.90%
0 0 0New 57.63% 67.50 0 0In the money 0New 61.63%
550 550 0 61.45% 70.00 144 144In the money 0 61.17%
0 0 0New 60.95% 72.50 0 0In the money 0New 61.46%
466 466 0 57.02% 75.00 834 834In the money 0 61.58%
10,818 10,818 0 56.63% 80.00 640 640In the money 0 60.39%
907 907 0 60.02% 85.00 33 33In the money 0 60.45%
71 71 0 59.33% 90.00 11 11In the money 0 59.91%
43 43 0 59.13% 95.00 47 47In the money 0 59.81%
292 292 0 58.54% 100.00 223 223In the money 0 59.15%
205 205 0 57.56% 105.00 2 2In the money 0 57.88%
86 86 0 58.21% 110.00 73 73In the money 0 58.43%
100 100 0 56.52% 115.00 0 0In the money 0New 58.49%
1,696 1,696 0 56.60% 120.00 0 0In the money 0New 58.72%
17 17 0 56.42% 125.00 0 0In the money 0New 58.76%
Dec 15, 2028EXPIRATION56 contracts / 28 strikes
SAVED STOCK PRICE$61.58Nearest ATM strike $62.50
Jump to ATM
CYTK option chain expiring 2028-12-15, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 60.00% 32.50 0 0 0New 60.25%
2 2In the money 0 61.15% 35.00 0 0 0New 59.77%
0 0In the money 0New 59.11% 37.50 0 0 0New 60.27%
0 0In the money 0New 60.71% 40.00 0 0 0New 59.18%
0 0In the money 0New 60.68% 42.50 0 0 0New 60.14%
44 44In the money 0 60.40% 45.00 2 2 0 59.67%
0 0In the money 0New 59.32% 47.50 0 0 0New 59.98%
1 1In the money 0 59.29% 50.00 2 2 0 60.05%
0 0In the money 0New 59.44% 52.50 0 0 0New 59.90%
1 1In the money 0 59.41% 55.00 0 0 0New 59.92%
0 0In the money 0New 59.23% 57.50 0 0 0New 59.93%
8 8In the money 0 58.91% 60.00 0 0 0New 60.10%
STOCK PRICE $61.58
0 0 0New 60.08% 62.50NEAREST ATM 0 0In the money 0New 60.12%
1 1 0 59.98% 65.00 0 0In the money 0New 59.99%
0 0 0New 59.61% 67.50 0 0In the money 0New 59.74%
17 17 0 60.06% 70.00 1 1In the money 0 59.37%
0 0 0New 59.21% 72.50 0 0In the money 0New 59.19%
39 39 0 59.46% 75.00 1 1In the money 0 59.78%
70 70 0 59.42% 80.00 50 50In the money 0 59.75%
34 34 0 58.93% 85.00 0 0In the money 0New 59.34%
43 43 0 58.46% 90.00 0 0In the money 0New 58.85%
0 0 0New 58.03% 95.00 0 0In the money 0New 58.46%
11 11 0 57.80% 100.00 0 0In the money 0New 58.79%
8 8 0 57.36% 105.00 0 0In the money 0New 58.19%
71 71 0 56.74% 110.00 0 0In the money 0New 57.90%
10 10 0 57.05% 115.00 0 0In the money 0New 57.10%
21 21 0 56.08% 120.00 0 0In the money 0New 57.41%
277 277 0 56.67% 125.00 0 0In the money 0New 57.81%
Jan 19, 2029EXPIRATION50 contracts / 25 strikes
SAVED STOCK PRICE$61.58Nearest ATM strike $62.50
Jump to ATM
CYTK option chain expiring 2029-01-19, open interest on 2026-10-23 compared with 2026-10-21
CallsStrikePuts
Prev OIOpen interestChangeIVPrev OIOpen interestChangeIV
0 0In the money 0New 59.84% 32.50 0 0 0New 59.20%
20 20In the money 0 61.39% 35.00 0 0 0New 60.11%
0 0In the money 0New 61.31% 37.50 0 0 0New 59.74%
2 2In the money 0 60.23% 40.00 0 0 0New 59.34%
0 0In the money 0New 61.19% 42.50 0 0 0New 59.13%
1 1In the money 0 59.76% 45.00 0 0 0New 59.69%
0 0In the money 0New 60.24% 47.50 0 0 0New 59.00%
0 0In the money 0New 59.92% 50.00 0 0 0New 59.07%
0 0In the money 0New 59.63% 52.50 0 0 0New 59.81%
0 0In the money 0New 59.54% 55.00 0 0 0New 59.47%
0 0In the money 0New 59.31% 57.50 0 0 0New 59.80%
4 4In the money 0 58.96% 60.00 0 0 0New 59.48%
STOCK PRICE $61.58
0 0 0New 58.81% 62.50NEAREST ATM 0 0In the money 0New 59.50%
0 0 0New 59.48% 65.00 0 0In the money 0New 59.84%
0 0 0New 59.11% 67.50 0 0In the money 0New 59.58%
0 0 0New 59.54% 70.00 0 0In the money 0New 59.22%
0 0 0New 59.27% 72.50 0 0In the money 0New 59.48%
1 1 0 59.22% 75.00 0 0In the money 0New 59.63%
0 0 0New 58.87% 80.00 0 0In the money 0New 59.61%
1 1 0 58.24% 85.00 1 1In the money 0 59.22%
1 1 0 58.60% 90.00 0 0In the money 0New 58.48%
0 0 0New 57.24% 95.00 0 0In the money 0New 58.11%
0 0 0New 57.01% 100.00 0 0In the money 0New 57.86%
0 0 0New 56.59% 105.00 0 0In the money 0New 57.60%
3 3 0 56.67% 110.00 0 0In the money 0New 57.02%

Click an OI number to view that contract's history. Click an expiration to show or hide its contracts. Unobserved daily OI is treated as zero; an empty call/put side means no contract at that strike.

←→ Saved days

Contract OI history

Open full view