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Contract OI history

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Nov 20, 2026 EXPIRATION

MSFT $405.00 Call

MSFT261120C00405000

Latest saved OI1,265Oct 23, 2026
Last change-11vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $405.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,2766380 2026-10-09: 1,264 OI2026-10-13: 1,262 OI2026-10-14: 1,262 OI2026-10-15: 1,262 OI2026-10-16: 1,262 OI2026-10-21: 1,276 OI2026-10-23: 1,265 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, 2026Viewing1,265-11
Oct 21, 20261,276+14
Oct 16, 20261,2620
Oct 15, 20261,2620
Oct 14, 20261,2620
Oct 13, 20261,262-2
Oct 09, 20261,264No prior observation