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Contract OI history

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Dec 18, 2026 EXPIRATION

SHAK $55.00 Put

SHAK261218P00055000

Latest saved OI497Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SHAK $55.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4972480 2026-10-02: 496 OI2026-10-05: 496 OI2026-10-06: 496 OI2026-10-07: 497 OI2026-10-08: 497 OI2026-10-09: 496 OI2026-10-13: 495 OI2026-10-14: 490 OI2026-10-15: 480 OI2026-10-21: 496 OI2026-10-23: 497 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

SHAK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing497+1
Oct 21, 2026496+16
Oct 15, 2026480-10
Oct 14, 2026490-5
Oct 13, 2026495-1
Oct 09, 2026496-1
Oct 08, 20264970
Oct 07, 2026497+1
Oct 06, 20264960
Oct 05, 20264960
Oct 02, 2026496No prior observation