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Contract OI history

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Jan 21, 2028 EXPIRATION

MSFT $505.00 Call

MSFT280121C00505000

Latest saved OI790Oct 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 $505.00 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. 7903950 2026-10-09: 787 OI2026-10-13: 789 OI2026-10-14: 789 OI2026-10-15: 789 OI2026-10-16: 789 OI2026-10-21: 789 OI2026-10-23: 790 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, 2026Viewing790+1
Oct 21, 20267890
Oct 16, 20267890
Oct 15, 20267890
Oct 14, 20267890
Oct 13, 2026789+2
Oct 09, 2026787No prior observation