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Contract OI history

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Jan 19, 2029 EXPIRATION

SNDK $800.00 Put

SNDK290119P00800000

Latest saved OI675Oct 23, 2026
Last change+9vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SNDK $800.00 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. 6753370 2026-10-09: 622 OI2026-10-13: 631 OI2026-10-14: 631 OI2026-10-15: 632 OI2026-10-16: 659 OI2026-10-21: 666 OI2026-10-23: 675 OI Oct 09, 2026Oct 23, 2026

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

SNDK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing675+9
Oct 21, 2026666+7
Oct 16, 2026659+27
Oct 15, 2026632+1
Oct 14, 20266310
Oct 13, 2026631+9
Oct 09, 2026622No prior observation