OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

DELL $340.00 Put

DELL280121P00340000

Latest saved OI156Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DELL $340.00 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. 186930 2026-10-02: 180 OI2026-10-05: 180 OI2026-10-06: 186 OI2026-10-07: 186 OI2026-10-08: 186 OI2026-10-09: 180 OI2026-10-13: 170 OI2026-10-14: 170 OI2026-10-15: 160 OI2026-10-16: 160 OI2026-10-21: 159 OI2026-10-23: 156 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, 2026Viewing156-3
Oct 21, 2026159-1
Oct 16, 20261600
Oct 15, 2026160-10
Oct 14, 20261700
Oct 13, 2026170-10
Oct 09, 2026180-6
Oct 08, 20261860
Oct 07, 20261860
Oct 06, 2026186+6
Oct 05, 20261800
Oct 02, 2026180No prior observation