Sigma Planning Corp's ownership history for CBOE

Sigma Planning Corp currently holds 6.1K shares with a market value of $1.7M. It started holding CBOE on 2026-03-31. At its peak, it held 6.1K shares on 2026-03-31. Its highest holding value was $1.7M on 2026-03-31. At its lowest, it held 6.1K shares on 2026-03-31, with a value of $1.7M on 2026-03-31.