OITracker Cboe delayed data

Contract OI history

Back to MSFT

Dec 15, 2028 EXPIRATION

MSFT $540.00 Call

MSFT281215C00540000

Latest saved OI637Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $540.00 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. 6513250 2026-10-09: 651 OI2026-10-13: 647 OI2026-10-14: 647 OI2026-10-15: 648 OI2026-10-16: 644 OI2026-10-21: 639 OI2026-10-23: 637 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, 2026Viewing637-2
Oct 21, 2026639-5
Oct 16, 2026644-4
Oct 15, 2026648+1
Oct 14, 20266470
Oct 13, 2026647-4
Oct 09, 2026651No prior observation