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August 5th 2009

Yen Carry Trade is Back, but for How Long?

Mrs Watanabe, the market’s metaphor for Japan’s housewife yen speculators, has come back to life.” In other words, the Yen carry trade is back. Precise data remains elusive, as always, but several recent papers/articles have nonetheless succeeded in bringing some clarity to this growing, but murky, type of trading strategy. According to one source, “Monthly capital and financial account outflow rose to a nine-year high of ¥3.75 trillion in March, up from ¥1.93tn in February, according to Japan’s Ministry of Finance. Similarly, Japan’s Investment Trusts Association reported last week that Japanese investment trust holdings of foreign assets surged by ¥1.77tn ($15bn) in April to ¥32.3tn and are now up ¥4.57tn year-to-date. This is the biggest monthly increase since the monthly data began in 1989.”

euro-yen

If it’s not already clear, allow me to spell it out. Japanese investors are collectively shorting their own currency, based on the expectation that it will neither appreciate suddenly nor fluctuate wildly so that they can earn profits from investing in higher-yielding alternatives. Research has showed (backed by common sense) that volatility is the main enemy of the carry trade. “When the carry-to-volatility ratio (i.e.,the ratio of the interest rate differentials to the volatility in the two currencies) increased through summer 2008 — in other words, when investors were able to make returns from the interest rate differentials under the low FX rate risk — they increased their positions to a remarkable degree.” On the flipside, “The reaction of the Japanese retail investors to the increase in financial market volatility (the VIX index measure of US equity market volatility is used as a proxy) was particularly apparent in October 2008 when investor positions were wound back sharply.”

carry-to-volatility-ratio-yen-carry-trade

A pickup in risk appetite over the last few months, however, has brought about a decline in volatility. “Implied volatility on seven major currencies has fallen to 13.8 percent from a peak of 26.6 percent in October…from an average of 15.4 percent over the past year.” As a result, Japanese investors have rushed back into the market. The total number of  forex margin accounts in Japan is estimated to have increased 50% over the last year, with account balances rising by 30%. In 2008, Japanese retail investors already accounted for 20% of daily turnover in the Japanese Spot Forex market. When you consider these growth rates, this figure is probably even higher now.

japanese-retail-investors-daily-turnover1
There is evidence, however, that such investors are shifting their trading strategy. Prior to the credit crisis, the data shows that they “Increased their foreign currency net long positions when the investment currency depreciated and reduced these positions when the investment currency appreciated. This behaviour is consistent with realising returns by selling positions when the investment currency appreciates and adding to positions when the investing currency depreciates.” Now, however, they have taken to copying “professional” speculators, who tend to swing trade short-term changes in momentum.

As for which currencies represent the most popular targets for carry trades, investors typically buy those currencies that are less volatile and higher-yielding. “The favorite bet is for the Australian dollar to strengthen versus the yen. Wagers on the Aussie more than tripled to 64,293 contracts in the five weeks to April 27, while those on the kiwi — named after a flightless bird native to New Zealand and depicted on the one dollar coin — rose to 36,454.” The Euro is in a distant third.

Perhaps in response to this pickup in carry trade activity, the Bank of Japan is finally clamping down. Rather than raise interest rates – which could harm the prospects for economic recovery – it will require Japanese brokerages to lower margin rates by 2010, to 25 x collateral. Still, logic (and legislation) doesn’t rule, when it comes to forex. ” According to  a Federal Reserve Bank paper, “The currencies of countries with low interest rates have tended to depreciate, or to not appreciate sufficiently to offset arbitrage opportunities.” For now at least, it likes like the carry trade is still safe.

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Posted by Adam Kritzer | in Investing & Trading, Japanese Yen, News | 2 Comments »

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2 Comments of “Yen Carry Trade is Back, but for How Long?”

  1. Forex Links for the Weekend | Forex Crunch Says:

    […] Adam Kritzer shows us how the Yen Carry Trade is back, but wonders if this how long will this last. […]

  2. The Force is With the Yen | Forex Blog Says:

    […] when it looked like the carry trade was back for good and all signs pointed to a Yen depreciation, out of nowhere came a series of surprise […]

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