Cytokinetics Inc. options tape
These figures are updated after the US market closes, every trading day. For the live chain, go to CBOE's own page for CYTK.
Updated after the US market close on 8 October 2026, with Cytokinetics Inc. at $61.81: open interest within 90 days was 9,465 call and 3,992 put contracts, a put/call ratio of 0.42; the day's volume was 2,396 calls and 371 puts (0.15). The most call open interest sits at the $70.00 strike (2,252 contracts) and the most put open interest at $60.00 (1,126). The at-the-money straddle for 16 October 2026, 7 days out, was priced at 6.6% of spot. For 20 November 2026, implied volatility was 55.5% at the put 5% below spot and 50.2% at the call 5% above, +5.3 points.
Where the open interest sits
| Side | Strike | Open interest |
|---|---|---|
| Calls | $70.00 | 2,252 |
| Puts | $60.00 | 1,126 |
The strike with the most open interest on each side, across expiries within 90 days.
Strikes where the day's volume was at least twice the open interest
| Contract | Volume | Open interest before | Premium traded |
|---|---|---|---|
| 20 November 2026 call at $65.00 | 203 | 43 | $60,900 |
| 20 November 2026 call at $85.00 | 1,005 | 223 | $42,713 |
Read more
Premium is mid price times volume times 100.Open-interest builds against the session before appear from the second update of this name.
Source
Official exchange quotes, updated after each US market close. Figures describe positioning; they are not a forecast.
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