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Contract OI history

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Nov 02, 2026 EXPIRATION

MSFT $510.00 Put

MSFT261102P00510000

Latest saved OI68Oct 23, 2026
Last change+55vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $510.00 put open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 68340 2026-10-21: 13 OI2026-10-23: 68 OI Oct 21, 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, 2026Viewing68+55
Oct 21, 202613No prior observation