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Contract OI history

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Jan 21, 2028 EXPIRATION

DAL $72.50 Put

DAL280121P00072500

Latest saved OI264Oct 23, 2026
Last change+6vs 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. 2641320 2026-10-02: 215 OI2026-10-05: 216 OI2026-10-06: 216 OI2026-10-07: 221 OI2026-10-08: 221 OI2026-10-09: 225 OI2026-10-13: 241 OI2026-10-14: 241 OI2026-10-15: 241 OI2026-10-16: 241 OI2026-10-21: 258 OI2026-10-23: 264 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, 2026Viewing264+6
Oct 21, 2026258+17
Oct 16, 20262410
Oct 15, 20262410
Oct 14, 20262410
Oct 13, 2026241+16
Oct 09, 2026225+4
Oct 08, 20262210
Oct 07, 2026221+5
Oct 06, 20262160
Oct 05, 2026216+1
Oct 02, 2026215No prior observation