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Contract OI history

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Dec 18, 2026 EXPIRATION

DELL $340.00 Put

DELL261218P00340000

Latest saved OI1,008Oct 23, 2026
Last change+21vs 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. 1,0085040 2026-10-02: 611 OI2026-10-05: 610 OI2026-10-06: 609 OI2026-10-07: 612 OI2026-10-08: 612 OI2026-10-09: 627 OI2026-10-13: 627 OI2026-10-14: 627 OI2026-10-15: 631 OI2026-10-16: 634 OI2026-10-21: 987 OI2026-10-23: 1,008 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, 2026Viewing1,008+21
Oct 21, 2026987+353
Oct 16, 2026634+3
Oct 15, 2026631+4
Oct 14, 20266270
Oct 13, 20266270
Oct 09, 2026627+15
Oct 08, 20266120
Oct 07, 2026612+3
Oct 06, 2026609-1
Oct 05, 2026610-1
Oct 02, 2026611No prior observation