OITracker Cboe delayed data

Contract OI history

Back to DAL

Jan 15, 2027 EXPIRATION

DAL $40.00 Put

DAL270115P00040000

Latest saved OI3,699Oct 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 $40.00 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. 3,6991,8490 2026-10-02: 3,596 OI2026-10-05: 3,596 OI2026-10-06: 3,596 OI2026-10-07: 3,596 OI2026-10-08: 3,596 OI2026-10-09: 3,596 OI2026-10-13: 3,596 OI2026-10-14: 3,596 OI2026-10-15: 3,697 OI2026-10-16: 3,697 OI2026-10-21: 3,697 OI2026-10-23: 3,699 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, 2026Viewing3,699+2
Oct 21, 20263,6970
Oct 16, 20263,6970
Oct 15, 20263,697+101
Oct 14, 20263,5960
Oct 13, 20263,5960
Oct 09, 20263,5960
Oct 08, 20263,5960
Oct 07, 20263,5960
Oct 06, 20263,5960
Oct 05, 20263,5960
Oct 02, 20263,596No prior observation