OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

DELL $570.00 Put

DELL261120P00570000

Latest saved OI304Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DELL $570.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3071530 2026-10-02: 142 OI2026-10-05: 146 OI2026-10-06: 192 OI2026-10-07: 214 OI2026-10-08: 214 OI2026-10-09: 255 OI2026-10-13: 262 OI2026-10-14: 262 OI2026-10-15: 259 OI2026-10-16: 307 OI2026-10-21: 305 OI2026-10-23: 304 OI Oct 02, 2026Oct 23, 2026

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

DELL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing304-1
Oct 21, 2026305-2
Oct 16, 2026307+48
Oct 15, 2026259-3
Oct 14, 20262620
Oct 13, 2026262+7
Oct 09, 2026255+41
Oct 08, 20262140
Oct 07, 2026214+22
Oct 06, 2026192+46
Oct 05, 2026146+4
Oct 02, 2026142No prior observation