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Contract OI history

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Sep 15, 2028 EXPIRATION

SNDK $800.00 Put

SNDK280915P00800000

Latest saved OI133Oct 23, 2026
Last change0vs 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. 133660 2026-10-09: 121 OI2026-10-13: 133 OI2026-10-14: 133 OI2026-10-15: 133 OI2026-10-16: 133 OI2026-10-21: 133 OI2026-10-23: 133 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, 2026Viewing1330
Oct 21, 20261330
Oct 16, 20261330
Oct 15, 20261330
Oct 14, 20261330
Oct 13, 2026133+12
Oct 09, 2026121No prior observation