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Contract OI history

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Jan 21, 2028 EXPIRATION

DOW $32.50 Put

DOW280121P00032500

Latest saved OI2,684Oct 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 $32.50 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. 2,6841,3420 2026-10-02: 2,670 OI2026-10-05: 2,670 OI2026-10-06: 2,670 OI2026-10-07: 2,670 OI2026-10-08: 2,670 OI2026-10-09: 2,670 OI2026-10-13: 2,670 OI2026-10-14: 2,670 OI2026-10-15: 2,670 OI2026-10-16: 2,670 OI2026-10-21: 2,680 OI2026-10-23: 2,684 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, 2026Viewing2,684+4
Oct 21, 20262,680+10
Oct 16, 20262,6700
Oct 15, 20262,6700
Oct 14, 20262,6700
Oct 13, 20262,6700
Oct 09, 20262,6700
Oct 08, 20262,6700
Oct 07, 20262,6700
Oct 06, 20262,6700
Oct 05, 20262,6700
Oct 02, 20262,670No prior observation