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Contract OI history

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Dec 18, 2026 EXPIRATION

DAL $52.50 Put

DAL261218P00052500

Latest saved OI1,085Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DAL $52.50 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. 1,0965480 2026-10-02: 1,089 OI2026-10-05: 1,089 OI2026-10-06: 1,089 OI2026-10-07: 1,089 OI2026-10-08: 1,089 OI2026-10-09: 1,096 OI2026-10-13: 1,096 OI2026-10-14: 1,096 OI2026-10-15: 1,096 OI2026-10-16: 1,096 OI2026-10-21: 1,085 OI2026-10-23: 1,085 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, 2026Viewing1,0850
Oct 21, 20261,085-11
Oct 16, 20261,0960
Oct 15, 20261,0960
Oct 14, 20261,0960
Oct 13, 20261,0960
Oct 09, 20261,096+7
Oct 08, 20261,0890
Oct 07, 20261,0890
Oct 06, 20261,0890
Oct 05, 20261,0890
Oct 02, 20261,089No prior observation