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Contract OI history

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Nov 20, 2026 EXPIRATION

SNDK $490.00 Put

SNDK261120P00490000

Latest saved OI219Oct 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 $490.00 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. 2191090 2026-10-09: 139 OI2026-10-13: 139 OI2026-10-14: 139 OI2026-10-15: 139 OI2026-10-16: 179 OI2026-10-21: 219 OI2026-10-23: 219 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, 2026Viewing2190
Oct 21, 2026219+40
Oct 16, 2026179+40
Oct 15, 20261390
Oct 14, 20261390
Oct 13, 20261390
Oct 09, 2026139No prior observation