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Contract OI history

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Mar 19, 2027 EXPIRATION

DAL $55.00 Put

DAL270319P00055000

Latest saved OI1,402Oct 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 $55.00 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. 1,4027010 2026-10-02: 1,295 OI2026-10-05: 1,294 OI2026-10-06: 1,294 OI2026-10-07: 1,294 OI2026-10-08: 1,294 OI2026-10-09: 1,294 OI2026-10-13: 1,297 OI2026-10-14: 1,297 OI2026-10-15: 1,387 OI2026-10-16: 1,389 OI2026-10-21: 1,402 OI2026-10-23: 1,402 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, 2026Viewing1,4020
Oct 21, 20261,402+13
Oct 16, 20261,389+2
Oct 15, 20261,387+90
Oct 14, 20261,2970
Oct 13, 20261,297+3
Oct 09, 20261,2940
Oct 08, 20261,2940
Oct 07, 20261,2940
Oct 06, 20261,2940
Oct 05, 20261,294-1
Oct 02, 20261,295No prior observation