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Contract OI history

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Nov 20, 2026 EXPIRATION

MMED $20.00 Put

MMED261120P00020000

Latest saved OI159Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MMED $20.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 159790 2026-10-09: 17 OI2026-10-13: 17 OI2026-10-14: 17 OI2026-10-15: 17 OI2026-10-16: 17 OI2026-10-21: 159 OI2026-10-23: 159 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, 2026Viewing1590
Oct 21, 2026159+142
Oct 16, 2026170
Oct 15, 2026170
Oct 14, 2026170
Oct 13, 2026170
Oct 09, 202617No prior observation