OITracker Cboe delayed data

Contract OI history

Back to MSFT

Oct 30, 2026 EXPIRATION

MSFT $542.50 Call

MSFT261030C00542500

Latest saved OI378Oct 23, 2026
Last change+76vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $542.50 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. 3781890 2026-10-09: 0 OI2026-10-13: 62 OI2026-10-14: 62 OI2026-10-15: 81 OI2026-10-16: 275 OI2026-10-21: 302 OI2026-10-23: 378 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, 2026Viewing378+76
Oct 21, 2026302+27
Oct 16, 2026275+194
Oct 15, 202681+19
Oct 14, 2026620
Oct 13, 202662+62
Oct 09, 20260No prior observation