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Contract OI history

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Jan 15, 2027 EXPIRATION

DOW $27.50 Put

DOW270115P00027500

Latest saved OI3,471Oct 23, 2026
Last change-8vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DOW $27.50 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. 3,4791,7390 2026-10-02: 2,709 OI2026-10-05: 2,702 OI2026-10-06: 2,702 OI2026-10-07: 2,706 OI2026-10-08: 2,706 OI2026-10-09: 2,696 OI2026-10-13: 2,703 OI2026-10-14: 2,704 OI2026-10-15: 3,455 OI2026-10-16: 3,435 OI2026-10-21: 3,479 OI2026-10-23: 3,471 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, 2026Viewing3,471-8
Oct 21, 20263,479+44
Oct 16, 20263,435-20
Oct 15, 20263,455+751
Oct 14, 20262,704+1
Oct 13, 20262,703+7
Oct 09, 20262,696-10
Oct 08, 20262,7060
Oct 07, 20262,706+4
Oct 06, 20262,7020
Oct 05, 20262,702-7
Oct 02, 20262,709No prior observation