OITracker Cboe delayed data

Contract OI history

Back to SNDX

Nov 20, 2026 EXPIRATION

SNDX $21.00 Call

SNDX261120C00021000

Latest saved OI104Oct 23, 2026
Last change+8vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SNDX $21.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 104520 2026-10-09: 96 OI2026-10-13: 96 OI2026-10-14: 96 OI2026-10-16: 96 OI2026-10-20: 96 OI2026-10-23: 104 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, 2026Viewing104+8
Oct 20, 2026960
Oct 16, 2026960
Oct 14, 2026960
Oct 13, 2026960
Oct 09, 202696No prior observation