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Contract OI history

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Nov 20, 2026 EXPIRATION

DAL $72.50 Put

DAL261120P00072500

Latest saved OI2,164Oct 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
DAL $72.50 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. 2,2221,1110 2026-10-02: 508 OI2026-10-05: 521 OI2026-10-06: 534 OI2026-10-07: 548 OI2026-10-08: 548 OI2026-10-09: 1,609 OI2026-10-13: 1,749 OI2026-10-14: 1,749 OI2026-10-15: 2,222 OI2026-10-16: 2,217 OI2026-10-21: 2,166 OI2026-10-23: 2,164 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

DAL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2,164-2
Oct 21, 20262,166-51
Oct 16, 20262,217-5
Oct 15, 20262,222+473
Oct 14, 20261,7490
Oct 13, 20261,749+140
Oct 09, 20261,609+1,061
Oct 08, 20265480
Oct 07, 2026548+14
Oct 06, 2026534+13
Oct 05, 2026521+13
Oct 02, 2026508No prior observation