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Contract OI history

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Dec 15, 2028 EXPIRATION

SNDK $550.00 Put

SNDK281215P00550000

Latest saved OI203Oct 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 $550.00 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. 2081040 2026-10-09: 208 OI2026-10-13: 208 OI2026-10-14: 208 OI2026-10-15: 208 OI2026-10-16: 208 OI2026-10-21: 203 OI2026-10-23: 203 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, 2026Viewing2030
Oct 21, 2026203-5
Oct 16, 20262080
Oct 15, 20262080
Oct 14, 20262080
Oct 13, 20262080
Oct 09, 2026208No prior observation