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Contract OI history

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Apr 16, 2027 EXPIRATION

MDA $25.00 Put

MDA270416P00025000

Latest saved OI60Oct 23, 2026
Last change+6vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
MDA $25.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 60300 2026-10-02: 38 OI2026-10-05: 38 OI2026-10-06: 38 OI2026-10-07: 38 OI2026-10-08: 48 OI2026-10-13: 54 OI2026-10-14: 54 OI2026-10-15: 54 OI2026-10-16: 54 OI2026-10-20: 54 OI2026-10-23: 60 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

MDA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 202660+6
Oct 20, 2026Viewing540
Oct 16, 2026540
Oct 15, 2026540
Oct 14, 2026540
Oct 13, 202654+6
Oct 08, 202648+10
Oct 07, 2026380
Oct 06, 2026380
Oct 05, 2026380
Oct 02, 202638No prior observation