OITracker Cboe delayed data

Contract OI history

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Dec 17, 2027 EXPIRATION

DELL $400.00 Put

DELL271217P00400000

Latest saved OI112Oct 23, 2026
Last change+11vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DELL $400.00 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. 112560 2026-10-02: 91 OI2026-10-05: 91 OI2026-10-06: 91 OI2026-10-07: 90 OI2026-10-08: 90 OI2026-10-09: 91 OI2026-10-13: 92 OI2026-10-14: 92 OI2026-10-15: 92 OI2026-10-16: 95 OI2026-10-21: 101 OI2026-10-23: 112 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, 2026Viewing112+11
Oct 21, 2026101+6
Oct 16, 202695+3
Oct 15, 2026920
Oct 14, 2026920
Oct 13, 202692+1
Oct 09, 202691+1
Oct 08, 2026900
Oct 07, 202690-1
Oct 06, 2026910
Oct 05, 2026910
Oct 02, 202691No prior observation