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Contract OI history

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Nov 20, 2026 EXPIRATION

MSFT $505.00 Call

MSFT261120C00505000

Latest saved OI2,148Oct 23, 2026
Last change+88vs 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. 2,1481,0740 2026-10-09: 1,723 OI2026-10-13: 1,643 OI2026-10-14: 1,643 OI2026-10-15: 1,652 OI2026-10-16: 1,655 OI2026-10-21: 2,060 OI2026-10-23: 2,148 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, 2026Viewing2,148+88
Oct 21, 20262,060+405
Oct 16, 20261,655+3
Oct 15, 20261,652+9
Oct 14, 20261,6430
Oct 13, 20261,643-80
Oct 09, 20261,723No prior observation