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Contract OI history

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Dec 18, 2026 EXPIRATION

MSFT $470.00 Put

MSFT261218P00470000

Latest saved OI3,758Oct 23, 2026
Last change+331vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $470.00 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. 3,7581,8790 2026-10-09: 3,346 OI2026-10-13: 3,365 OI2026-10-14: 3,365 OI2026-10-15: 3,380 OI2026-10-16: 3,397 OI2026-10-21: 3,427 OI2026-10-23: 3,758 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, 2026Viewing3,758+331
Oct 21, 20263,427+30
Oct 16, 20263,397+17
Oct 15, 20263,380+15
Oct 14, 20263,3650
Oct 13, 20263,365+19
Oct 09, 20263,346No prior observation