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Contract OI history

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Dec 18, 2026 EXPIRATION

MSTR $840.00 Call

MSTR261218C00840000

Latest saved OI1,243Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSTR $840.00 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. 1,2436210 2026-10-09: 1,155 OI2026-10-13: 1,154 OI2026-10-14: 1,154 OI2026-10-15: 1,155 OI2026-10-16: 1,154 OI2026-10-21: 1,242 OI2026-10-23: 1,243 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, 2026Viewing1,243+1
Oct 21, 20261,242+88
Oct 16, 20261,154-1
Oct 15, 20261,155+1
Oct 14, 20261,1540
Oct 13, 20261,154-1
Oct 09, 20261,155No prior observation