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Contract OI history

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May 21, 2027 EXPIRATION

CYTK $65.00 Call

CYTK270521C00065000

Latest saved OI1,842Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CYTK $65.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,8429210 2026-10-09: 1,207 OI2026-10-13: 1,352 OI2026-10-14: 1,353 OI2026-10-15: 1,398 OI2026-10-16: 1,393 OI2026-10-21: 1,842 OI2026-10-23: 1,842 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

CYTK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,8420
Oct 21, 20261,842+449
Oct 16, 20261,393-5
Oct 15, 20261,398+45
Oct 14, 20261,353+1
Oct 13, 20261,352+145
Oct 09, 20261,207No prior observation