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Contract OI history

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Jan 21, 2028 EXPIRATION

DOW $30.00 Put

DOW280121P00030000

Latest saved OI3,978Oct 23, 2026
Last change+88vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DOW $30.00 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. 3,9781,9890 2026-10-02: 3,872 OI2026-10-05: 3,876 OI2026-10-06: 3,876 OI2026-10-07: 3,876 OI2026-10-08: 3,876 OI2026-10-09: 3,876 OI2026-10-13: 3,876 OI2026-10-14: 3,876 OI2026-10-15: 3,877 OI2026-10-16: 3,877 OI2026-10-21: 3,890 OI2026-10-23: 3,978 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, 2026Viewing3,978+88
Oct 21, 20263,890+13
Oct 16, 20263,8770
Oct 15, 20263,877+1
Oct 14, 20263,8760
Oct 13, 20263,8760
Oct 09, 20263,8760
Oct 08, 20263,8760
Oct 07, 20263,8760
Oct 06, 20263,8760
Oct 05, 20263,876+4
Oct 02, 20263,872No prior observation