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Contract OI history

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May 21, 2027 EXPIRATION

MERC $500.00 Put

MERC270521P00000500

Latest saved OI8,387Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
MERC $500.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 8,3874,1930 2026-10-08: 5,387 OI2026-10-09: 8,387 OI2026-10-13: 8,387 OI2026-10-14: 8,387 OI2026-10-16: 8,387 OI2026-10-20: 8,387 OI2026-10-23: 8,387 OI Oct 08, 2026Oct 23, 2026

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

MERC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20268,3870
Oct 20, 2026Viewing8,3870
Oct 16, 20268,3870
Oct 14, 20268,3870
Oct 13, 20268,3870
Oct 09, 20268,387+3,000
Oct 08, 20265,387No prior observation