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Contract OI history

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Nov 20, 2026 EXPIRATION

SNDK $800.00 Put

SNDK261120P00800000

Latest saved OI522Oct 23, 2026
Last change-22vs 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. 5442720 2026-10-09: 478 OI2026-10-13: 490 OI2026-10-14: 490 OI2026-10-15: 493 OI2026-10-16: 476 OI2026-10-21: 544 OI2026-10-23: 522 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, 2026Viewing522-22
Oct 21, 2026544+68
Oct 16, 2026476-17
Oct 15, 2026493+3
Oct 14, 20264900
Oct 13, 2026490+12
Oct 09, 2026478No prior observation