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Contract OI history

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Dec 18, 2026 EXPIRATION

MSFT $540.00 Call

MSFT261218C00540000

Latest saved OI7,384Oct 23, 2026
Last change+497vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $540.00 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. 7,3843,6920 2026-10-09: 6,978 OI2026-10-13: 7,009 OI2026-10-14: 7,009 OI2026-10-15: 6,937 OI2026-10-16: 6,761 OI2026-10-21: 6,887 OI2026-10-23: 7,384 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, 2026Viewing7,384+497
Oct 21, 20266,887+126
Oct 16, 20266,761-176
Oct 15, 20266,937-72
Oct 14, 20267,0090
Oct 13, 20267,009+31
Oct 09, 20266,978No prior observation