OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

SNDK $280.00 Put

SNDK270115P00280000

Latest saved OI412Oct 23, 2026
Last change+27vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SNDK $280.00 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. 4122060 2026-10-09: 381 OI2026-10-13: 381 OI2026-10-14: 381 OI2026-10-15: 382 OI2026-10-16: 383 OI2026-10-21: 385 OI2026-10-23: 412 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, 2026Viewing412+27
Oct 21, 2026385+2
Oct 16, 2026383+1
Oct 15, 2026382+1
Oct 14, 20263810
Oct 13, 20263810
Oct 09, 2026381No prior observation