OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

SNDK $45.00 Put

SNDK280121P00045000

Latest saved OI4,612Oct 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 $45.00 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. 4,6122,3060 2026-10-09: 4,443 OI2026-10-13: 4,605 OI2026-10-14: 4,605 OI2026-10-15: 4,605 OI2026-10-16: 4,605 OI2026-10-21: 4,612 OI2026-10-23: 4,612 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, 2026Viewing4,6120
Oct 21, 20264,612+7
Oct 16, 20264,6050
Oct 15, 20264,6050
Oct 14, 20264,6050
Oct 13, 20264,605+162
Oct 09, 20264,443No prior observation