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Contract OI history

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Jan 21, 2028 EXPIRATION

MSTR $40.00 Put

MSTR280121P00040000

Latest saved OI3,161Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSTR $40.00 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. 3,1611,5800 2026-10-09: 3,155 OI2026-10-13: 3,155 OI2026-10-14: 3,155 OI2026-10-15: 3,153 OI2026-10-16: 3,153 OI2026-10-21: 3,159 OI2026-10-23: 3,161 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, 2026Viewing3,161+2
Oct 21, 20263,159+6
Oct 16, 20263,1530
Oct 15, 20263,153-2
Oct 14, 20263,1550
Oct 13, 20263,1550
Oct 09, 20263,155No prior observation