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Contract OI history

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Jan 21, 2028 EXPIRATION

MSFT $390.00 Call

MSFT280121C00390000

Latest saved OI791Oct 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 $390.00 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. 7983990 2026-10-09: 798 OI2026-10-13: 794 OI2026-10-14: 794 OI2026-10-15: 793 OI2026-10-16: 793 OI2026-10-21: 792 OI2026-10-23: 791 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, 2026Viewing791-1
Oct 21, 2026792-1
Oct 16, 20267930
Oct 15, 2026793-1
Oct 14, 20267940
Oct 13, 2026794-4
Oct 09, 2026798No prior observation