RE : LETF/Bonds 50/50 Comparing yearly rebalanced 50/50 SSO and BIV (intermediate bond fund), with SPY - total % gains <pre>YTD 8.8 6.7 2013 33.4 32.3 2012 18.9 16 2011 4.9 1.9 2010 18 15.1 2009 25.6 26.4 2008 -30.1 -36.8 Apr-Dec 2007 2.4 2.6</pre> Over the 7.5 years the SSO/BIV annualised 8.5% (up 92%) compared to 5.8% for SPY (up 57%) Sourced from etfreplay which I believe reflects total gains including costs (fund fees) but excludes brokers fees and taxes.