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Contract OI history

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Nov 20, 2026 EXPIRATION

CYTK $57.50 Put

CYTK261120P00057500

Latest saved OI75Oct 23, 2026
Last change+1vs previous saved observation
Saved market days5Oct 14, 2026 onwards
Daily open interest Hover a point for its date and OI
CYTK $57.50 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. 75370 2026-10-14: 0 OI2026-10-15: 0 OI2026-10-16: 2 OI2026-10-21: 74 OI2026-10-23: 75 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, 2026Viewing75+1
Oct 21, 202674+72
Oct 16, 20262+2
Oct 15, 202600
Oct 14, 20260No prior observation