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Contract OI history

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May 21, 2027 EXPIRATION

CYTK $52.50 Put

CYTK270521P00052500

Latest saved OI1,690Oct 23, 2026
Last change+1,690vs previous saved observation
Saved market days5Oct 14, 2026 onwards
Daily open interest Hover a point for its date and OI
CYTK $52.50 put open interest history 5 saved observations from 2026-10-14 to 2026-10-23. Exact values and changes are listed in the table below. 1,6908450 2026-10-14: 0 OI2026-10-15: 0 OI2026-10-16: 0 OI2026-10-21: 0 OI2026-10-23: 1,690 OI Oct 14, 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, 2026Viewing1,690+1,690
Oct 21, 202600
Oct 16, 202600
Oct 15, 202600
Oct 14, 20260No prior observation