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Contract OI history

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Dec 18, 2026 EXPIRATION

MSFT $295.00 Put

MSFT261218P00295000

Latest saved OI2,049Oct 23, 2026
Last change+106vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $295.00 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. 2,0491,0240 2026-10-09: 1,839 OI2026-10-13: 1,839 OI2026-10-14: 1,839 OI2026-10-15: 1,839 OI2026-10-16: 1,839 OI2026-10-21: 1,943 OI2026-10-23: 2,049 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, 2026Viewing2,049+106
Oct 21, 20261,943+104
Oct 16, 20261,8390
Oct 15, 20261,8390
Oct 14, 20261,8390
Oct 13, 20261,8390
Oct 09, 20261,839No prior observation