OITracker Cboe delayed data

Contract OI history

Back to SNDK

Sep 15, 2028 EXPIRATION

SNDK $520.00 Put

SNDK280915P00520000

Latest saved OI793Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SNDK $520.00 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. 7983990 2026-10-09: 792 OI2026-10-13: 796 OI2026-10-14: 796 OI2026-10-15: 797 OI2026-10-16: 798 OI2026-10-21: 792 OI2026-10-23: 793 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, 2026Viewing793+1
Oct 21, 2026792-6
Oct 16, 2026798+1
Oct 15, 2026797+1
Oct 14, 20267960
Oct 13, 2026796+4
Oct 09, 2026792No prior observation