OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

DELL $250.00 Put

DELL280121P00250000

Latest saved OI562Oct 23, 2026
Last change-10vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DELL $250.00 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. 5852920 2026-10-02: 560 OI2026-10-05: 553 OI2026-10-06: 553 OI2026-10-07: 553 OI2026-10-08: 553 OI2026-10-09: 553 OI2026-10-13: 552 OI2026-10-14: 552 OI2026-10-15: 575 OI2026-10-16: 585 OI2026-10-21: 572 OI2026-10-23: 562 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, 2026Viewing562-10
Oct 21, 2026572-13
Oct 16, 2026585+10
Oct 15, 2026575+23
Oct 14, 20265520
Oct 13, 2026552-1
Oct 09, 20265530
Oct 08, 20265530
Oct 07, 20265530
Oct 06, 20265530
Oct 05, 2026553-7
Oct 02, 2026560No prior observation