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Contract OI history

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Oct 23, 2026 EXPIRATION

MSFT $542.50 Call

MSFT261023C00542500

Latest saved OI2,740Oct 23, 2026
Last change+707vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $542.50 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. 2,7401,3700 2026-10-09: 641 OI2026-10-13: 626 OI2026-10-14: 626 OI2026-10-15: 672 OI2026-10-16: 753 OI2026-10-21: 2,033 OI2026-10-23: 2,740 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, 2026Viewing2,740+707
Oct 21, 20262,033+1,280
Oct 16, 2026753+81
Oct 15, 2026672+46
Oct 14, 20266260
Oct 13, 2026626-15
Oct 09, 2026641No prior observation