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Contract OI history

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Mar 19, 2027 EXPIRATION

MSFT $300.00 Call

MSFT270319C00300000

Latest saved OI760Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $300.00 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. 7713850 2026-10-09: 771 OI2026-10-13: 768 OI2026-10-14: 768 OI2026-10-15: 767 OI2026-10-16: 767 OI2026-10-21: 761 OI2026-10-23: 760 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, 2026Viewing760-1
Oct 21, 2026761-6
Oct 16, 20267670
Oct 15, 2026767-1
Oct 14, 20267680
Oct 13, 2026768-3
Oct 09, 2026771No prior observation