OITracker Cboe delayed data

Contract OI history

Back to MSFT

Oct 23, 2026 EXPIRATION

MSFT $532.50 Call

MSFT261023C00532500

Latest saved OI2,994Oct 23, 2026
Last change+1,781vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
MSFT $532.50 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. 2,9941,4970 2026-10-09: 634 OI2026-10-13: 533 OI2026-10-14: 533 OI2026-10-15: 503 OI2026-10-16: 477 OI2026-10-21: 1,213 OI2026-10-23: 2,994 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, 2026Viewing2,994+1,781
Oct 21, 20261,213+736
Oct 16, 2026477-26
Oct 15, 2026503-30
Oct 14, 20265330
Oct 13, 2026533-101
Oct 09, 2026634No prior observation