OITracker Cboe delayed data

Contract OI history

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Oct 23, 2026 EXPIRATION

DELL $275.00 Put

DELL261023P00275000

Latest saved OI221Oct 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 $275.00 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. 2221110 2026-10-02: 50 OI2026-10-05: 50 OI2026-10-06: 50 OI2026-10-07: 50 OI2026-10-08: 50 OI2026-10-09: 50 OI2026-10-13: 50 OI2026-10-14: 50 OI2026-10-15: 50 OI2026-10-16: 59 OI2026-10-21: 222 OI2026-10-23: 221 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, 2026Viewing221-1
Oct 21, 2026222+163
Oct 16, 202659+9
Oct 15, 2026500
Oct 14, 2026500
Oct 13, 2026500
Oct 09, 2026500
Oct 08, 2026500
Oct 07, 2026500
Oct 06, 2026500
Oct 05, 2026500
Oct 02, 202650No prior observation