OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

SNDX $19.00 Put

SNDX261120P00019000

Latest saved OI670Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SNDX $19.00 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 7503750 2026-10-09: 463 OI2026-10-13: 750 OI2026-10-14: 720 OI2026-10-16: 670 OI2026-10-20: 670 OI2026-10-23: 670 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

SNDX contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6700
Oct 20, 20266700
Oct 16, 2026670-50
Oct 14, 2026720-30
Oct 13, 2026750+287
Oct 09, 2026463No prior observation