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Contract OI history

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Nov 06, 2026 EXPIRATION

MSFT $485.00 Put

MSFT261106P00485000

Latest saved OI2,511Oct 23, 2026
Last change+52vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $485.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2,7841,3920 2026-10-09: 2,784 OI2026-10-13: 2,389 OI2026-10-14: 2,389 OI2026-10-15: 2,390 OI2026-10-16: 2,413 OI2026-10-21: 2,459 OI2026-10-23: 2,511 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, 2026Viewing2,511+52
Oct 21, 20262,459+46
Oct 16, 20262,413+23
Oct 15, 20262,390+1
Oct 14, 20262,3890
Oct 13, 20262,389-395
Oct 09, 20262,784No prior observation