Developing New Sentiment Gauges

By on April 24, 2010

Quantifiable Edges commented on Dr. Brett Steenbarger’s concept of using the EEM:SPY pair as a sentiment gauge. Steenbarger writes the Trader Feed blog (see links on sidebar).

In a Traderfeed post on Monday Dr. Brett Steenbarger presented the concept of using the EEM:SPY pair as a sentiment gauge. The idea is that when EEM is outperforming SPY, traders are more willing to take on risk and stocks as an asset class should benefit. When SPY outperforms EEM, then traders are seeking relative safety and the forward outlook for stocks isn’t as good.

Quantifiable Edges had already looked at the concept with a NASDAQ to S&P 500 pair.

I thought it might be interesting to substitute EEM for the Nasdaq values using that model. (Note: my relative strength calculation, which originally came from Gerald Appel’s Book, “Technical Analysis, Power Tools for Active Investors” is a bit different than Dr. Steenbarger’s calculation. The model
calculation examines relative strength over a 10-week period.) After doing so I noted the following observations:

– Investing only when the EEM is leading the SPY would have resulted in being in a position about 2/3 of the time.

– By placing your money in SPY, total return since 6/13/2004 would have been a little over 35% using the model vs. about 20% with SPY buy and hold.

– In both cases all of the gains were made since the March 2009 bottom. Prior to that bottom, the model preserved capital quite a bit better than SPY buy and hold.

– Over that same time period, EEM appreciated about 220%.

– Buying EEM instead of SPY when the model was positive would have resulted in a gain of about 186%.

In summary, while history is short, Dr. Brett’s EEM:SPY pair seems to work well as a sentiment indicator. As we saw with the Nasdaq:S&P model last year, there appears to be an advantage not only in entering the market when the riskier index is leading, but also in trading the riskier index rather than the SPY.

SMA Comment: This study applies the sentiment gauge as a tool for the momentum trader. When I have time I may apply some rules for the contrarian value-based fear index.

Sources: Quantifiable Edges, TraderFeed

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