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Contract OI history

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Mar 19, 2027 EXPIRATION

MSFT $360.00 Put

MSFT270319P00360000

Latest saved OI4,080Oct 23, 2026
Last change+36vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $360.00 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. 4,2092,1040 2026-10-09: 4,209 OI2026-10-13: 4,134 OI2026-10-14: 4,134 OI2026-10-15: 4,133 OI2026-10-16: 4,128 OI2026-10-21: 4,044 OI2026-10-23: 4,080 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, 2026Viewing4,080+36
Oct 21, 20264,044-84
Oct 16, 20264,128-5
Oct 15, 20264,133-1
Oct 14, 20264,1340
Oct 13, 20264,134-75
Oct 09, 20264,209No prior observation