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Contract OI history

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Dec 15, 2028 EXPIRATION

MSFT $260.00 Put

MSFT281215P00260000

Latest saved OI780Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $260.00 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. 7803900 2026-10-09: 777 OI2026-10-13: 777 OI2026-10-14: 777 OI2026-10-15: 777 OI2026-10-16: 780 OI2026-10-21: 780 OI2026-10-23: 780 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, 2026Viewing7800
Oct 21, 20267800
Oct 16, 2026780+3
Oct 15, 20267770
Oct 14, 20267770
Oct 13, 20267770
Oct 09, 2026777No prior observation