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Contract OI history

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Oct 30, 2026 EXPIRATION

MSFT $495.00 Put

MSFT261030P00495000

Latest saved OI1,686Oct 23, 2026
Last change+30vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $495.00 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. 1,6868430 2026-10-09: 780 OI2026-10-13: 676 OI2026-10-14: 676 OI2026-10-15: 714 OI2026-10-16: 836 OI2026-10-21: 1,656 OI2026-10-23: 1,686 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, 2026Viewing1,686+30
Oct 21, 20261,656+820
Oct 16, 2026836+122
Oct 15, 2026714+38
Oct 14, 20266760
Oct 13, 2026676-104
Oct 09, 2026780No prior observation