OITracker Cboe delayed data

Contract OI history

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Sep 15, 2028 EXPIRATION

SNDK $1000.00 Put

SNDK280915P01000000

Latest saved OI267Oct 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 $1000.00 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. 2671330 2026-10-09: 234 OI2026-10-13: 234 OI2026-10-14: 234 OI2026-10-15: 247 OI2026-10-16: 247 OI2026-10-21: 267 OI2026-10-23: 267 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, 2026Viewing2670
Oct 21, 2026267+20
Oct 16, 20262470
Oct 15, 2026247+13
Oct 14, 20262340
Oct 13, 20262340
Oct 09, 2026234No prior observation