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Contract OI history

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Nov 20, 2026 EXPIRATION

MSFT $500.00 Call

MSFT261120C00500000

Latest saved OI10,534Oct 23, 2026
Last change+393vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $500.00 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. 10,5345,2670 2026-10-09: 10,087 OI2026-10-13: 10,165 OI2026-10-14: 10,165 OI2026-10-15: 10,116 OI2026-10-16: 10,114 OI2026-10-21: 10,141 OI2026-10-23: 10,534 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, 2026Viewing10,534+393
Oct 21, 202610,141+27
Oct 16, 202610,114-2
Oct 15, 202610,116-49
Oct 14, 202610,1650
Oct 13, 202610,165+78
Oct 09, 202610,087No prior observation