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Contract OI history

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Jan 21, 2028 EXPIRATION

DELL $320.00 Put

DELL280121P00320000

Latest saved OI1,062Oct 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 $320.00 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. 1,0635310 2026-10-02: 79 OI2026-10-05: 81 OI2026-10-06: 81 OI2026-10-07: 81 OI2026-10-08: 81 OI2026-10-09: 81 OI2026-10-13: 81 OI2026-10-14: 81 OI2026-10-15: 1,063 OI2026-10-16: 1,061 OI2026-10-21: 1,061 OI2026-10-23: 1,062 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, 2026Viewing1,062+1
Oct 21, 20261,0610
Oct 16, 20261,061-2
Oct 15, 20261,063+982
Oct 14, 2026810
Oct 13, 2026810
Oct 09, 2026810
Oct 08, 2026810
Oct 07, 2026810
Oct 06, 2026810
Oct 05, 202681+2
Oct 02, 202679No prior observation