OITracker Cboe delayed data

Contract OI history

Back to DOW

Nov 20, 2026 EXPIRATION

DOW $22.50 Put

DOW261120P00022500

Latest saved OI173Oct 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
DOW $22.50 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. 2501250 2026-10-02: 193 OI2026-10-05: 191 OI2026-10-06: 191 OI2026-10-07: 220 OI2026-10-08: 220 OI2026-10-09: 220 OI2026-10-13: 250 OI2026-10-14: 213 OI2026-10-15: 213 OI2026-10-16: 213 OI2026-10-21: 175 OI2026-10-23: 173 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

DOW contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing173-2
Oct 21, 2026175-38
Oct 16, 20262130
Oct 15, 20262130
Oct 14, 2026213-37
Oct 13, 2026250+30
Oct 09, 20262200
Oct 08, 20262200
Oct 07, 2026220+29
Oct 06, 20261910
Oct 05, 2026191-2
Oct 02, 2026193No prior observation