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Contract OI history

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Jan 15, 2027 EXPIRATION

MSFT $395.00 Put

MSFT270115P00395000

Latest saved OI2,026Oct 23, 2026
Last change-4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $395.00 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. 2,0421,0210 2026-10-09: 2,042 OI2026-10-13: 2,030 OI2026-10-14: 2,030 OI2026-10-15: 2,030 OI2026-10-16: 2,030 OI2026-10-21: 2,030 OI2026-10-23: 2,026 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, 2026Viewing2,026-4
Oct 21, 20262,0300
Oct 16, 20262,0300
Oct 15, 20262,0300
Oct 14, 20262,0300
Oct 13, 20262,030-12
Oct 09, 20262,042No prior observation