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Contract OI history

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Dec 18, 2026 EXPIRATION

MSTR $225.00 Put

MSTR261218P00225000

Latest saved OI137Oct 23, 2026
Last change-5vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSTR $225.00 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. 142710 2026-10-09: 134 OI2026-10-13: 134 OI2026-10-14: 134 OI2026-10-15: 134 OI2026-10-16: 140 OI2026-10-21: 142 OI2026-10-23: 137 OI Oct 09, 2026Oct 23, 2026

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

MSTR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing137-5
Oct 21, 2026142+2
Oct 16, 2026140+6
Oct 15, 20261340
Oct 14, 20261340
Oct 13, 20261340
Oct 09, 2026134No prior observation