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Contract OI history

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Jan 21, 2028 EXPIRATION

SHAK $40.00 Put

SHAK280121P00040000

Latest saved OI642Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SHAK $40.00 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. 2,6101,3050 2026-10-02: 2,610 OI2026-10-05: 643 OI2026-10-06: 643 OI2026-10-07: 643 OI2026-10-08: 643 OI2026-10-09: 643 OI2026-10-13: 643 OI2026-10-14: 643 OI2026-10-15: 642 OI2026-10-21: 642 OI2026-10-23: 642 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, 2026Viewing6420
Oct 21, 20266420
Oct 15, 2026642-1
Oct 14, 20266430
Oct 13, 20266430
Oct 09, 20266430
Oct 08, 20266430
Oct 07, 20266430
Oct 06, 20266430
Oct 05, 2026643-1,967
Oct 02, 20262,610No prior observation