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Contract OI history

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Nov 20, 2026 EXPIRATION

MSFT $415.00 Put

MSFT261120P00415000

Latest saved OI1,446Oct 23, 2026
Last change+161vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $415.00 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. 1,4467230 2026-10-09: 1,226 OI2026-10-13: 1,206 OI2026-10-14: 1,206 OI2026-10-15: 1,197 OI2026-10-16: 1,208 OI2026-10-21: 1,285 OI2026-10-23: 1,446 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, 2026Viewing1,446+161
Oct 21, 20261,285+77
Oct 16, 20261,208+11
Oct 15, 20261,197-9
Oct 14, 20261,2060
Oct 13, 20261,206-20
Oct 09, 20261,226No prior observation