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Contract OI history

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Nov 20, 2026 EXPIRATION

DOW $27.50 Put

DOW261120P00027500

Latest saved OI5,220Oct 23, 2026
Last change-37vs 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. 5,2802,6400 2026-10-02: 3,731 OI2026-10-05: 5,247 OI2026-10-06: 5,247 OI2026-10-07: 5,280 OI2026-10-08: 5,280 OI2026-10-09: 5,279 OI2026-10-13: 5,251 OI2026-10-14: 5,254 OI2026-10-15: 5,232 OI2026-10-16: 5,233 OI2026-10-21: 5,257 OI2026-10-23: 5,220 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, 2026Viewing5,220-37
Oct 21, 20265,257+24
Oct 16, 20265,233+1
Oct 15, 20265,232-22
Oct 14, 20265,254+3
Oct 13, 20265,251-28
Oct 09, 20265,279-1
Oct 08, 20265,2800
Oct 07, 20265,280+33
Oct 06, 20265,2470
Oct 05, 20265,247+1,516
Oct 02, 20263,731No prior observation