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Contract OI history

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Nov 20, 2026 EXPIRATION

DELL $520.00 Put

DELL261120P00520000

Latest saved OI450Oct 23, 2026
Last change-25vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DELL $520.00 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. 5942970 2026-10-02: 521 OI2026-10-05: 548 OI2026-10-06: 565 OI2026-10-07: 594 OI2026-10-08: 594 OI2026-10-09: 562 OI2026-10-13: 515 OI2026-10-14: 515 OI2026-10-15: 522 OI2026-10-16: 514 OI2026-10-21: 475 OI2026-10-23: 450 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, 2026Viewing450-25
Oct 21, 2026475-39
Oct 16, 2026514-8
Oct 15, 2026522+7
Oct 14, 20265150
Oct 13, 2026515-47
Oct 09, 2026562-32
Oct 08, 20265940
Oct 07, 2026594+29
Oct 06, 2026565+17
Oct 05, 2026548+27
Oct 02, 2026521No prior observation