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Contract OI history

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Nov 20, 2026 EXPIRATION

MSFT $520.00 Call

MSFT261120C00520000

Latest saved OI6,667Oct 23, 2026
Last change+123vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $520.00 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. 6,8403,4200 2026-10-09: 6,781 OI2026-10-13: 6,736 OI2026-10-14: 6,736 OI2026-10-15: 6,840 OI2026-10-16: 6,823 OI2026-10-21: 6,544 OI2026-10-23: 6,667 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, 2026Viewing6,667+123
Oct 21, 20266,544-279
Oct 16, 20266,823-17
Oct 15, 20266,840+104
Oct 14, 20266,7360
Oct 13, 20266,736-45
Oct 09, 20266,781No prior observation