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Contract OI history

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Dec 18, 2026 EXPIRATION

DELL $310.00 Put

DELL261218P00310000

Latest saved OI304Oct 23, 2026
Last change+32vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DELL $310.00 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. 3041520 2026-10-02: 215 OI2026-10-05: 214 OI2026-10-06: 210 OI2026-10-07: 200 OI2026-10-08: 200 OI2026-10-09: 196 OI2026-10-13: 196 OI2026-10-14: 196 OI2026-10-15: 196 OI2026-10-16: 251 OI2026-10-21: 272 OI2026-10-23: 304 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, 2026Viewing304+32
Oct 21, 2026272+21
Oct 16, 2026251+55
Oct 15, 20261960
Oct 14, 20261960
Oct 13, 20261960
Oct 09, 2026196-4
Oct 08, 20262000
Oct 07, 2026200-10
Oct 06, 2026210-4
Oct 05, 2026214-1
Oct 02, 2026215No prior observation