OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

SNDK $100.00 Put

SNDK280121P00100000

Latest saved OI1,809Oct 23, 2026
Last change+15vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SNDK $100.00 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. 1,8099040 2026-10-09: 1,780 OI2026-10-13: 1,792 OI2026-10-14: 1,792 OI2026-10-15: 1,792 OI2026-10-16: 1,792 OI2026-10-21: 1,794 OI2026-10-23: 1,809 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, 2026Viewing1,809+15
Oct 21, 20261,794+2
Oct 16, 20261,7920
Oct 15, 20261,7920
Oct 14, 20261,7920
Oct 13, 20261,792+12
Oct 09, 20261,780No prior observation