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Contract OI history

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Oct 30, 2026 EXPIRATION

SNDK $870.00 Put

SNDK261030P00870000

Latest saved OI214Oct 23, 2026
Last change+13vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SNDK $870.00 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. 2141070 2026-10-09: 16 OI2026-10-13: 23 OI2026-10-14: 23 OI2026-10-15: 25 OI2026-10-16: 195 OI2026-10-21: 201 OI2026-10-23: 214 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, 2026Viewing214+13
Oct 21, 2026201+6
Oct 16, 2026195+170
Oct 15, 202625+2
Oct 14, 2026230
Oct 13, 202623+7
Oct 09, 202616No prior observation