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Contract OI history

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Mar 19, 2027 EXPIRATION

DAL $57.50 Put

DAL270319P00057500

Latest saved OI442Oct 23, 2026
Last change+3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DAL $57.50 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. 4422210 2026-10-02: 433 OI2026-10-05: 433 OI2026-10-06: 433 OI2026-10-07: 433 OI2026-10-08: 433 OI2026-10-09: 433 OI2026-10-13: 433 OI2026-10-14: 433 OI2026-10-15: 439 OI2026-10-16: 439 OI2026-10-21: 439 OI2026-10-23: 442 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, 2026Viewing442+3
Oct 21, 20264390
Oct 16, 20264390
Oct 15, 2026439+6
Oct 14, 20264330
Oct 13, 20264330
Oct 09, 20264330
Oct 08, 20264330
Oct 07, 20264330
Oct 06, 20264330
Oct 05, 20264330
Oct 02, 2026433No prior observation