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Contract OI history

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Dec 15, 2028 EXPIRATION

CYTK $80.00 Call

CYTK281215C00080000

Latest saved OI70Oct 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 $80.00 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. 70350 2026-10-09: 66 OI2026-10-13: 66 OI2026-10-14: 66 OI2026-10-15: 66 OI2026-10-16: 66 OI2026-10-21: 70 OI2026-10-23: 70 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, 2026Viewing700
Oct 21, 202670+4
Oct 16, 2026660
Oct 15, 2026660
Oct 14, 2026660
Oct 13, 2026660
Oct 09, 202666No prior observation