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Contract OI history

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Jan 15, 2027 EXPIRATION

MSFT $210.00 Put

MSFT270115P00210000

Latest saved OI714Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $210.00 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. 7163580 2026-10-09: 715 OI2026-10-13: 715 OI2026-10-14: 715 OI2026-10-15: 715 OI2026-10-16: 715 OI2026-10-21: 716 OI2026-10-23: 714 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, 2026Viewing714-2
Oct 21, 2026716+1
Oct 16, 20267150
Oct 15, 20267150
Oct 14, 20267150
Oct 13, 20267150
Oct 09, 2026715No prior observation