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Contract OI history

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Dec 18, 2026 EXPIRATION

DAL $50.00 Put

DAL261218P00050000

Latest saved OI1,395Oct 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
DAL $50.00 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. 1,3956970 2026-10-02: 1,299 OI2026-10-05: 1,299 OI2026-10-06: 1,370 OI2026-10-07: 1,370 OI2026-10-08: 1,370 OI2026-10-09: 1,370 OI2026-10-13: 1,370 OI2026-10-14: 1,370 OI2026-10-15: 1,390 OI2026-10-16: 1,390 OI2026-10-21: 1,394 OI2026-10-23: 1,395 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, 2026Viewing1,395+1
Oct 21, 20261,394+4
Oct 16, 20261,3900
Oct 15, 20261,390+20
Oct 14, 20261,3700
Oct 13, 20261,3700
Oct 09, 20261,3700
Oct 08, 20261,3700
Oct 07, 20261,3700
Oct 06, 20261,370+71
Oct 05, 20261,2990
Oct 02, 20261,299No prior observation