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Contract OI history

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Mar 19, 2027 EXPIRATION

MSFT $520.00 Call

MSFT270319C00520000

Latest saved OI2,993Oct 23, 2026
Last change+19vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $520.00 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. 2,9931,4960 2026-10-09: 2,806 OI2026-10-13: 2,821 OI2026-10-14: 2,821 OI2026-10-15: 2,790 OI2026-10-16: 2,812 OI2026-10-21: 2,974 OI2026-10-23: 2,993 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, 2026Viewing2,993+19
Oct 21, 20262,974+162
Oct 16, 20262,812+22
Oct 15, 20262,790-31
Oct 14, 20262,8210
Oct 13, 20262,821+15
Oct 09, 20262,806No prior observation