OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

DELL $535.00 Put

DELL261023P00535000

Latest saved OI18Oct 23, 2026
Last change-58vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DELL $535.00 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. 147730 2026-10-02: 69 OI2026-10-05: 79 OI2026-10-06: 87 OI2026-10-07: 88 OI2026-10-08: 88 OI2026-10-09: 117 OI2026-10-13: 147 OI2026-10-14: 147 OI2026-10-15: 140 OI2026-10-16: 113 OI2026-10-21: 76 OI2026-10-23: 18 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, 2026Viewing18-58
Oct 21, 202676-37
Oct 16, 2026113-27
Oct 15, 2026140-7
Oct 14, 20261470
Oct 13, 2026147+30
Oct 09, 2026117+29
Oct 08, 2026880
Oct 07, 202688+1
Oct 06, 202687+8
Oct 05, 202679+10
Oct 02, 202669No prior observation