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E-Book Review: Crowds, Crashes, and the Carry Trade by Valeri Sokolovski

July 21, 2017 by Andriy Moraru

Today, I would like to present a review of a research paper called Crowds, Crashes, and the Carry Trade. It was published by Valeri Sokolovski, a finance scholar at the Stockholm School of Economics. It was presented by Mr. Sokolovski at the conference called Exchange Rate Models for a New Era: Major and Emerging Market Currencies organized by the City University of Hong Kong. The article is available for free download in our Forex e-books section.

Crowdedness

As the title of the work suggests, it is dedicated entirely to the carry trade and its relation to the carry trade crowdedness — a term that describers a measure of the total volume of carry trade positions held by investors globally. The author uses spot FX correlation implied crowdedness and its effect on the negative carry trade returns amplification as the main research subjects.

The idea behind this measure is simple — when there is a strong correlation between currencies that can be used as the carry trade funding sources but are otherwise unrelated, traders are either opening or closing carry trade positions. For example, simultaneous jumps in CHF and JPY rates would imply a growth of carry trade positions, while their simultaneous fall would imply a decline in carry trade activity.

Additionally, Valeri uses hedge-fund-loading measure to assess carry trade crowdedness and its effect on the carry trade returns and finds the results to be consistent with those derived from the spot FX correlation implied crowdedness.

Spot FX Correlation Implied Crowdedness

Main Conclusions

The most important conclusions made by Valeri Sokolovsi in his article are the following:

  • Spot Forex correlation implied method of measuring the crowdedness of carry trades is viable.
  • The probability of a significant carry trade loss increases with the rising level of crowdedness.
  • The majority of the biggest carry trade crashes occurs during the periods of elevated carry trade crowdedness.
  • Previously established measures, such as Forex volatility, illiquidity, VIX, and funding illiquidity, play their negative role during the carry trade crashes, but their effect is greater during the periods of high carry trade crowdedness.

Why Read It

You definitely need to read this e-book (or at the very least skim through it) if you are interested in carry trade strategy. Not only will it help you to set up your carry trade positions better, but it will also teach you how to measure carry trade crowdedness and to mitigate some of your biggest losses using this knowledge. Carry trade is a proved profitable strategy; yet it is associated with high risks, which get realized mostly in form of crashes. This research paper will help you to learn more about the cause of such crashes.

If you have any questions, comments, or opinions regarding Crowds, Crashes, and the Carry Trade by Valeri Sokolovski, please feel free to post them using the commentary form below.

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