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Contract OI history

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Oct 30, 2026 EXPIRATION

MSFT $550.00 Call

MSFT261030C00550000

Latest saved OI5,919Oct 23, 2026
Last change+1,523vs 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. 5,9192,9590 2026-10-09: 3,438 OI2026-10-13: 3,732 OI2026-10-14: 3,732 OI2026-10-15: 3,717 OI2026-10-16: 3,768 OI2026-10-21: 4,396 OI2026-10-23: 5,919 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, 2026Viewing5,919+1,523
Oct 21, 20264,396+628
Oct 16, 20263,768+51
Oct 15, 20263,717-15
Oct 14, 20263,7320
Oct 13, 20263,732+294
Oct 09, 20263,438No prior observation