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Contract OI history

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Dec 18, 2026 EXPIRATION

SNDK $75.00 Put

SNDK261218P00075000

Latest saved OI617Oct 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 $75.00 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. 6173080 2026-10-09: 606 OI2026-10-13: 606 OI2026-10-14: 606 OI2026-10-15: 616 OI2026-10-16: 616 OI2026-10-21: 615 OI2026-10-23: 617 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, 2026Viewing617+2
Oct 21, 2026615-1
Oct 16, 20266160
Oct 15, 2026616+10
Oct 14, 20266060
Oct 13, 20266060
Oct 09, 2026606No prior observation