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Contract OI history

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Jun 17, 2027 EXPIRATION

DOW $27.50 Put

DOW270617P00027500

Latest saved OI1,455Oct 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 $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. 1,4567280 2026-10-02: 1,422 OI2026-10-05: 1,430 OI2026-10-06: 1,430 OI2026-10-07: 1,430 OI2026-10-08: 1,430 OI2026-10-09: 1,430 OI2026-10-13: 1,456 OI2026-10-14: 1,456 OI2026-10-15: 1,456 OI2026-10-16: 1,454 OI2026-10-21: 1,454 OI2026-10-23: 1,455 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, 2026Viewing1,455+1
Oct 21, 20261,4540
Oct 16, 20261,454-2
Oct 15, 20261,4560
Oct 14, 20261,4560
Oct 13, 20261,456+26
Oct 09, 20261,4300
Oct 08, 20261,4300
Oct 07, 20261,4300
Oct 06, 20261,4300
Oct 05, 20261,430+8
Oct 02, 20261,422No prior observation