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Contract OI history

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Jun 17, 2027 EXPIRATION

MSFT $480.00 Put

MSFT270617P00480000

Latest saved OI1,197Oct 23, 2026
Last change+117vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $480.00 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. 1,1975980 2026-10-09: 1,035 OI2026-10-13: 1,097 OI2026-10-14: 1,097 OI2026-10-15: 1,087 OI2026-10-16: 1,086 OI2026-10-21: 1,080 OI2026-10-23: 1,197 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, 2026Viewing1,197+117
Oct 21, 20261,080-6
Oct 16, 20261,086-1
Oct 15, 20261,087-10
Oct 14, 20261,0970
Oct 13, 20261,097+62
Oct 09, 20261,035No prior observation