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Contract OI history

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Jan 21, 2028 EXPIRATION

MSFT $500.00 Call

MSFT280121C00500000

Latest saved OI8,986Oct 23, 2026
Last change-18vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $500.00 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. 9,0714,5350 2026-10-09: 9,071 OI2026-10-13: 9,003 OI2026-10-14: 9,003 OI2026-10-15: 8,975 OI2026-10-16: 8,968 OI2026-10-21: 9,004 OI2026-10-23: 8,986 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, 2026Viewing8,986-18
Oct 21, 20269,004+36
Oct 16, 20268,968-7
Oct 15, 20268,975-28
Oct 14, 20269,0030
Oct 13, 20269,003-68
Oct 09, 20269,071No prior observation