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Contract OI history

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Nov 20, 2026 EXPIRATION

MSFT $550.00 Call

MSFT261120C00550000

Latest saved OI10,302Oct 23, 2026
Last change+407vs 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. 10,3025,1510 2026-10-09: 7,947 OI2026-10-13: 8,238 OI2026-10-14: 8,238 OI2026-10-15: 8,213 OI2026-10-16: 8,441 OI2026-10-21: 9,895 OI2026-10-23: 10,302 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, 2026Viewing10,302+407
Oct 21, 20269,895+1,454
Oct 16, 20268,441+228
Oct 15, 20268,213-25
Oct 14, 20268,2380
Oct 13, 20268,238+291
Oct 09, 20267,947No prior observation