Switching It Up—ETF Trading

Associate Director of Capital Markets

Many of you are familiar with the key ETF best trading practices and order types: Avoid trade in the first or last 15 minutes of the day, don’t use market orders and know how to use your trading desk and capital markets resources. What is less commonly known, but extremely important, is the practice of a switch trade. A switch trade is when an investor is moving out of one position and into another simultaneously, essentially rebalancing. So why does this matter when we are discussing ETFs? If there is overlap in the underlying securities, there can be substantial savings in terms of trading costs

When trading, clients often isolate their trades for fear of information leakage. They do not want their brokers to know that they are changing or altering strategies. In reality, in terms of trading and best execution, not sharing the larger picture can actually be costly to investors. A market maker who knows only one security that you are trading cannot look for execution efficiencies and will treat that trade in isolation. A market maker who knows that you are looking to sell one ETF to purchase another ETF can look for commonalities to reduce their risk and certain costs of trading. Whatever securities you are looking to buy or sell, there may be overlaps that you may not even know about, so it is imperative to share your overall approach.

While we cannot give an exact example of cost savings since each trade scenario will vary due to the securities, time of day and economic conditions, it is fairly safe to say that if the underlying securities are correlated, even a small percentage, there most likely will be execution improvement. Let’s look at a hypothetical example of a client who would like to sell out of $100 million notional of a simple S&P 500-based ETF to swap into $100 million notional of the WisdomTree U.S. LargeCap Fund (EPS)

When comparing EPS to a basic S&P 500 fund, there is roughly 75.6% overlap1 in the underlying securities. If a client were to execute those orders individually, the broker would sell the S&P-based ETF and purchase EPS at two different times, or they would be sent to two different brokers entirely. The client would have to pay trading costs for each individual trade. There is no opportunity for price improvement, and while the client believes information leakage is being minimized, there are implicit costs. If the client decided to give the broker the trades to execute simultaneously as a pair, the broker could reduce spread costs and minimize market impact. According to indicative markets from a leading broker, the client would potentially save 11 basis points by executing the order as a pair. This is extremely efficient and impressive, especially for U.S. equities. 

What is essential to recognize is that if you are rotating out of one strategy and into another and any overlap exists, it is vital to share that information with your broker. A market maker with a big-picture view of what a client is trying to achieve can most efficiently and economically price that trade. Typically, switch trades can be handled to deliver cost savings while avoiding impact due to information leakage. Remember, switching it up can save you some basis points, and that’s real money!


Important Risks Related to this Article

There are risks associated with investing, including possible loss of principal. Funds focusing their investments on certain sectors may be more vulnerable to any single economic or regulatory development. This may result in greater share price volatility. Please read the Fund’s prospectus for specific details regarding the Fund’s risk profile.


About the Contributor
Associate Director of Capital Markets
Michael Barrer is a member of the Capital Markets team based in New York. The Capital Markets group is involved in all aspects of WisdomTree ETFs, including product development, seeding and bringing new products to market and working with the client base on trading strategies and best execution strategies. Michael also supports the trading community on providing liquidity and works closely with Hedge Funds on trading and investing in WisdomTree ETFs. Michael began his career in finance as an equity and ETF proprietary trader, followed by two years at Merrill Lynch in an investment-related role. Since joining WisdomTree in 2013, Michael spent a year and a half as an integral member of the sales team and later joined the Capital Markets group to concentrate on his passion for ETF markets and trading. Michael graduated in 2004 from Syracuse University with a focus on business and technology.