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Contract OI history

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Dec 18, 2026 EXPIRATION

MSFT $510.00 Call

MSFT261218C00510000

Latest saved OI4,924Oct 23, 2026
Last change+1,985vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $510.00 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. 4,9242,4620 2026-10-09: 3,005 OI2026-10-13: 2,947 OI2026-10-14: 2,947 OI2026-10-15: 2,928 OI2026-10-16: 2,920 OI2026-10-21: 2,939 OI2026-10-23: 4,924 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, 2026Viewing4,924+1,985
Oct 21, 20262,939+19
Oct 16, 20262,920-8
Oct 15, 20262,928-19
Oct 14, 20262,9470
Oct 13, 20262,947-58
Oct 09, 20263,005No prior observation