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Contract OI history

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Mar 19, 2027 EXPIRATION

MSFT $470.00 Put

MSFT270319P00470000

Latest saved OI2,723Oct 23, 2026
Last change+253vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $470.00 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. 2,7231,3610 2026-10-09: 2,179 OI2026-10-13: 2,228 OI2026-10-14: 2,228 OI2026-10-15: 2,227 OI2026-10-16: 2,272 OI2026-10-21: 2,470 OI2026-10-23: 2,723 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, 2026Viewing2,723+253
Oct 21, 20262,470+198
Oct 16, 20262,272+45
Oct 15, 20262,227-1
Oct 14, 20262,2280
Oct 13, 20262,228+49
Oct 09, 20262,179No prior observation