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Contract OI history

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Jan 15, 2027 EXPIRATION

MSFT $550.00 Call

MSFT270115C00550000

Latest saved OI13,651Oct 23, 2026
Last change+363vs 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. 13,6516,8250 2026-10-09: 12,457 OI2026-10-13: 12,349 OI2026-10-14: 12,349 OI2026-10-15: 12,423 OI2026-10-16: 12,358 OI2026-10-21: 13,288 OI2026-10-23: 13,651 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, 2026Viewing13,651+363
Oct 21, 202613,288+930
Oct 16, 202612,358-65
Oct 15, 202612,423+74
Oct 14, 202612,3490
Oct 13, 202612,349-108
Oct 09, 202612,457No prior observation