OITracker Cboe delayed data

Contract OI history

Back to DOW

Dec 18, 2026 EXPIRATION

DOW $17.50 Put

DOW261218P00017500

Latest saved OI904Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DOW $17.50 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. 9104550 2026-10-02: 906 OI2026-10-05: 906 OI2026-10-06: 906 OI2026-10-07: 910 OI2026-10-08: 910 OI2026-10-09: 910 OI2026-10-13: 910 OI2026-10-14: 908 OI2026-10-15: 907 OI2026-10-16: 905 OI2026-10-21: 905 OI2026-10-23: 904 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, 2026Viewing904-1
Oct 21, 20269050
Oct 16, 2026905-2
Oct 15, 2026907-1
Oct 14, 2026908-2
Oct 13, 20269100
Oct 09, 20269100
Oct 08, 20269100
Oct 07, 2026910+4
Oct 06, 20269060
Oct 05, 20269060
Oct 02, 2026906No prior observation