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Contract OI history

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Sep 17, 2027 EXPIRATION

DAL $72.50 Put

DAL270917P00072500

Latest saved OI104Oct 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 $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. 104520 2026-10-02: 50 OI2026-10-05: 51 OI2026-10-06: 81 OI2026-10-07: 81 OI2026-10-08: 81 OI2026-10-09: 103 OI2026-10-13: 103 OI2026-10-14: 103 OI2026-10-15: 103 OI2026-10-16: 103 OI2026-10-21: 104 OI2026-10-23: 104 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, 2026Viewing1040
Oct 21, 2026104+1
Oct 16, 20261030
Oct 15, 20261030
Oct 14, 20261030
Oct 13, 20261030
Oct 09, 2026103+22
Oct 08, 2026810
Oct 07, 2026810
Oct 06, 202681+30
Oct 05, 202651+1
Oct 02, 202650No prior observation