OITracker Cboe delayed data

Contract OI history

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Sep 17, 2027 EXPIRATION

DELL $350.00 Put

DELL270917P00350000

Latest saved OI208Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DELL $350.00 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. 2101050 2026-10-02: 162 OI2026-10-05: 177 OI2026-10-06: 166 OI2026-10-07: 166 OI2026-10-08: 166 OI2026-10-09: 167 OI2026-10-13: 167 OI2026-10-14: 167 OI2026-10-15: 167 OI2026-10-16: 170 OI2026-10-21: 210 OI2026-10-23: 208 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, 2026Viewing208-2
Oct 21, 2026210+40
Oct 16, 2026170+3
Oct 15, 20261670
Oct 14, 20261670
Oct 13, 20261670
Oct 09, 2026167+1
Oct 08, 20261660
Oct 07, 20261660
Oct 06, 2026166-11
Oct 05, 2026177+15
Oct 02, 2026162No prior observation