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Contract OI history

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Nov 20, 2026 EXPIRATION

MSFT $555.00 Call

MSFT261120C00555000

Latest saved OI5,265Oct 23, 2026
Last change+415vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $555.00 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. 5,2652,6320 2026-10-09: 3,661 OI2026-10-13: 3,741 OI2026-10-14: 3,741 OI2026-10-15: 3,804 OI2026-10-16: 4,001 OI2026-10-21: 4,850 OI2026-10-23: 5,265 OI Oct 09, 2026Oct 23, 2026

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

MSFT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing5,265+415
Oct 21, 20264,850+849
Oct 16, 20264,001+197
Oct 15, 20263,804+63
Oct 14, 20263,7410
Oct 13, 20263,741+80
Oct 09, 20263,661No prior observation