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Contract OI history

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Dec 15, 2028 EXPIRATION

SNDK $500.00 Put

SNDK281215P00500000

Latest saved OI205Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SNDK $500.00 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. 2051020 2026-10-09: 175 OI2026-10-13: 177 OI2026-10-14: 177 OI2026-10-15: 196 OI2026-10-16: 203 OI2026-10-21: 203 OI2026-10-23: 205 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, 2026Viewing205+2
Oct 21, 20262030
Oct 16, 2026203+7
Oct 15, 2026196+19
Oct 14, 20261770
Oct 13, 2026177+2
Oct 09, 2026175No prior observation