At the CEF/ETF Income Laboratory , we manage ~8%-yielding closed-end fund ( CEF ) and exchange-traded fund (ETF) portfolios to make income investing easy for you. Check out what our members have to say about our service.The iShares Treasury Floating Rate Bond ETF ( TFLO ) invests in floating rate treasury notes, securities with broadly similar characteristics, but marginally higher yields. TFLO sports a 3.7% forward yield, net of fees, marginally higher than most cash offerings, and without any significant ...