Calamos Tax-Aware Collateral ETF (CBOX)

The Calamos Tax-Aware Collateral ETF (CBOX) is a fund from Calamos Investments designed to serve as a cash-like collateral holding with attention to tax efficiency. Its objective centers on generating returns comparable to short-term interest rates while seeking more favorable tax treatment than conventional Treasury bill funds.

Strategies of this kind commonly use options combinations, such as box spreads, that produce a return similar to short-term rates. The fund trades on Cboe BZX, and its specific approach is detailed in the prospectus.