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Contract OI history

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Dec 17, 2027 EXPIRATION

MSFT $550.00 Call

MSFT271217C00550000

Latest saved OI3,965Oct 23, 2026
Last change-19vs 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. 3,9991,9990 2026-10-09: 3,980 OI2026-10-13: 3,984 OI2026-10-14: 3,984 OI2026-10-15: 3,962 OI2026-10-16: 3,999 OI2026-10-21: 3,984 OI2026-10-23: 3,965 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, 2026Viewing3,965-19
Oct 21, 20263,984-15
Oct 16, 20263,999+37
Oct 15, 20263,962-22
Oct 14, 20263,9840
Oct 13, 20263,984+4
Oct 09, 20263,980No prior observation