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Contract OI history

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Nov 20, 2026 EXPIRATION

MSFT $495.00 Put

MSFT261120P00495000

Latest saved OI2,054Oct 23, 2026
Last change+91vs 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. 2,0541,0270 2026-10-09: 1,567 OI2026-10-13: 1,625 OI2026-10-14: 1,625 OI2026-10-15: 1,649 OI2026-10-16: 1,620 OI2026-10-21: 1,963 OI2026-10-23: 2,054 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, 2026Viewing2,054+91
Oct 21, 20261,963+343
Oct 16, 20261,620-29
Oct 15, 20261,649+24
Oct 14, 20261,6250
Oct 13, 20261,625+58
Oct 09, 20261,567No prior observation