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Contract OI history

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Jun 17, 2027 EXPIRATION

DOW $17.50 Put

DOW270617P00017500

Latest saved OI25Oct 23, 2026
Last change-4vs 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. 31150 2026-10-02: 23 OI2026-10-05: 26 OI2026-10-06: 26 OI2026-10-07: 31 OI2026-10-08: 31 OI2026-10-09: 31 OI2026-10-13: 29 OI2026-10-14: 29 OI2026-10-15: 29 OI2026-10-16: 29 OI2026-10-21: 29 OI2026-10-23: 25 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, 2026Viewing25-4
Oct 21, 2026290
Oct 16, 2026290
Oct 15, 2026290
Oct 14, 2026290
Oct 13, 202629-2
Oct 09, 2026310
Oct 08, 2026310
Oct 07, 202631+5
Oct 06, 2026260
Oct 05, 202626+3
Oct 02, 202623No prior observation