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Contract OI history

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Mar 19, 2027 EXPIRATION

MSFT $550.00 Call

MSFT270319C00550000

Latest saved OI5,703Oct 23, 2026
Last change+38vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $550.00 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. 5,7032,8510 2026-10-09: 5,310 OI2026-10-13: 5,597 OI2026-10-14: 5,597 OI2026-10-15: 5,589 OI2026-10-16: 5,570 OI2026-10-21: 5,665 OI2026-10-23: 5,703 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, 2026Viewing5,703+38
Oct 21, 20265,665+95
Oct 16, 20265,570-19
Oct 15, 20265,589-8
Oct 14, 20265,5970
Oct 13, 20265,597+287
Oct 09, 20265,310No prior observation