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Contract OI history

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Jan 21, 2028 EXPIRATION

MSFT $370.00 Call

MSFT280121C00370000

Latest saved OI738Oct 23, 2026
Last change+9vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $370.00 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. 7383690 2026-10-09: 735 OI2026-10-13: 731 OI2026-10-14: 731 OI2026-10-15: 731 OI2026-10-16: 729 OI2026-10-21: 729 OI2026-10-23: 738 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, 2026Viewing738+9
Oct 21, 20267290
Oct 16, 2026729-2
Oct 15, 20267310
Oct 14, 20267310
Oct 13, 2026731-4
Oct 09, 2026735No prior observation