OITracker Cboe delayed data

Contract OI history

Back to MSFT

Nov 13, 2026 EXPIRATION

MSFT $425.00 Put

MSFT261113P00425000

Latest saved OI484Oct 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 $425.00 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. 5132560 2026-10-09: 512 OI2026-10-13: 513 OI2026-10-14: 513 OI2026-10-15: 513 OI2026-10-16: 513 OI2026-10-21: 484 OI2026-10-23: 484 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, 2026Viewing4840
Oct 21, 2026484-29
Oct 16, 20265130
Oct 15, 20265130
Oct 14, 20265130
Oct 13, 2026513+1
Oct 09, 2026512No prior observation