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Contract OI history

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Nov 06, 2026 EXPIRATION

MSFT $510.00 Put

MSFT261106P00510000

Latest saved OI1,057Oct 23, 2026
Last change+293vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $510.00 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. 1,0575280 2026-10-09: 230 OI2026-10-13: 561 OI2026-10-14: 561 OI2026-10-15: 519 OI2026-10-16: 521 OI2026-10-21: 764 OI2026-10-23: 1,057 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, 2026Viewing1,057+293
Oct 21, 2026764+243
Oct 16, 2026521+2
Oct 15, 2026519-42
Oct 14, 20265610
Oct 13, 2026561+331
Oct 09, 2026230No prior observation