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Contract OI history

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Dec 18, 2026 EXPIRATION

MMED $20.00 Call

MMED261218C00020000

Latest saved OI6,597Oct 23, 2026
Last change+8vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MMED $20.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 6,5973,2980 2026-10-09: 142 OI2026-10-13: 142 OI2026-10-14: 143 OI2026-10-15: 143 OI2026-10-16: 4,105 OI2026-10-21: 6,589 OI2026-10-23: 6,597 OI Oct 09, 2026Oct 23, 2026

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

MMED contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6,597+8
Oct 21, 20266,589+2,484
Oct 16, 20264,105+3,962
Oct 15, 20261430
Oct 14, 2026143+1
Oct 13, 20261420
Oct 09, 2026142No prior observation