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Contract OI history

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Nov 20, 2026 EXPIRATION

CYTK $65.00 Call

CYTK261120C00065000

Latest saved OI439Oct 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. 4392190 2026-10-09: 213 OI2026-10-13: 316 OI2026-10-14: 316 OI2026-10-15: 318 OI2026-10-16: 318 OI2026-10-21: 439 OI2026-10-23: 439 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, 2026Viewing4390
Oct 21, 2026439+121
Oct 16, 20263180
Oct 15, 2026318+2
Oct 14, 20263160
Oct 13, 2026316+103
Oct 09, 2026213No prior observation