Sunday, February 8, 2015

8/2/15: Carry Trades Returns: More Pressure for Ruble & CBR


Carry trades involve borrowing in one currency at lower interest rates (say in Euro or Japanese Yen) and 'carrying' borrowed funds into investment or lending in another currency, bearing higher interest rates (e.g. into Australia or New Zealand, or Russia or Brazil). The risk involved in such trades is that while you hold carry asset (loan to, say, an Australian company), the currency underlying this asset (in this case AUD) devalues against the currency you borrowed in (e.g. Yen). In this case, your returns in AUD converted into Yen (funds available for the repayment of the loan) become smaller.

With this in mind, carry trades represent significant risks for the recipient economies: if exchange rates move in the direction of devaluing host economy currency, there can be fast unwinding of the carry trades and capital outflow from the host economy.

Now, let's define, per BIS, the Carry-to-Risk Ratio as "the attractiveness of carry trades" measured by "the ...risk-adjusted profitability of a carry trade position [e.g. the one-month interest rate differential]... divided by the implied volatility of one-month at-the-money exchange rate options".  In simple terms, this ratio measures risk-adjusted returns to carry trades - the higher the ratio, the higher the implied risk-adjusted returns.

Here is a BIS chart mapping the risk-adjusted ratios for carry trades for six major carry trade targets:


Massive devaluation of the Russian Ruble means that carry trades into Russia (borrowing, say in low interest rate euros and buying Russian assets) have fallen off the cliff in terms of expected risk-adjusted returns. There are couple of things this chart suggests:

  1. Dramatically higher interest rates in Russia under the CBR policy are not enough to compensate for the decline in Ruble valuations;
  2. Forward expectations are consistent with two things: Ruble devaluing further and Russian interest rates declining from their current levels.
Still, three countries with massive asset bubbles: New Zealand, Australia and Mexico are all suffering from far worse risk-adjusted carry trade performance expectations than Russia.

The Russian performance above pretty much confirms my expectations for continued weakness in Ruble and more accommodative gradual re-positioning of the CBR.

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