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Contract OI history

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Nov 20, 2026 EXPIRATION

MSFT $410.00 Put

MSFT261120P00410000

Latest saved OI3,680Oct 23, 2026
Last change+16vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $410.00 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. 3,9121,9560 2026-10-09: 3,907 OI2026-10-13: 3,904 OI2026-10-14: 3,904 OI2026-10-15: 3,902 OI2026-10-16: 3,912 OI2026-10-21: 3,664 OI2026-10-23: 3,680 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, 2026Viewing3,680+16
Oct 21, 20263,664-248
Oct 16, 20263,912+10
Oct 15, 20263,902-2
Oct 14, 20263,9040
Oct 13, 20263,904-3
Oct 09, 20263,907No prior observation