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Contract OI history

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Jan 15, 2027 EXPIRATION

CYTK $80.00 Put

CYTK270115P00080000

Latest saved OI404Oct 23, 2026
Last change-3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
CYTK $80.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4072030 2026-10-09: 407 OI2026-10-13: 407 OI2026-10-14: 407 OI2026-10-15: 407 OI2026-10-16: 407 OI2026-10-21: 407 OI2026-10-23: 404 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, 2026Viewing404-3
Oct 21, 20264070
Oct 16, 20264070
Oct 15, 20264070
Oct 14, 20264070
Oct 13, 20264070
Oct 09, 2026407No prior observation