Measuring Rebalancing Profits and Losses
Investors often seek to maintain fixed percentage allocations to the various components of their portfolios. This can be as simple as just choosing allocations to stocks and bonds, or it can include target percentages for domestic and foreign stocks and many other sub-categories of investments. Portfolio components will drift away from their target percentages over time, requiring investors to perform trades to rebalance back to the target percentages. A natural question is whether rebalancing produces profits, and if so, how much. A long-time reader, Dan, made the following request: I have a topic request. On the subject of portfolio rebalancing, I have read your many posts and whitepaper [see Calculating My Retirement Glidepath ]. I have actually implemented something similar (but not exactly the same) myself. I saw in one blog post, cannot find where, that you said something to the effect of “my rebalancing trades last year produced a profit”. My topic request...