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Contract OI history

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Dec 18, 2026 EXPIRATION

MSFT $410.00 Put

MSFT261218P00410000

Latest saved OI2,696Oct 23, 2026
Last change-139vs 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. 2,8431,4210 2026-10-09: 2,834 OI2026-10-13: 2,834 OI2026-10-14: 2,834 OI2026-10-15: 2,836 OI2026-10-16: 2,843 OI2026-10-21: 2,835 OI2026-10-23: 2,696 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, 2026Viewing2,696-139
Oct 21, 20262,835-8
Oct 16, 20262,843+7
Oct 15, 20262,836+2
Oct 14, 20262,8340
Oct 13, 20262,8340
Oct 09, 20262,834No prior observation