Billionaire money manager Bill Ackman went public last week with his wager that the days of the Hong Kong dollar's 39-year-old peg to the U.S. dollar are numbered. "For me, the Hong Kong dollar peg is like a delayed, or lagging bet against China," said Diego Parrilla, who runs Quadriga Igneo, a $240 million fund designed to profit from market turmoil. The Hong Kong dollar has been pegged in a tight band between 7.75 and 7.85 per greenback for nearly four decades. In the short-term, the market is moving against this style of trade as local interest rates and the Hong Kong dollar go up. "The far forwards market still prices in higher U.S. rates than Hong Kong rates," said Mukesh Dave, founder and CIO at Aravali Asset Management in Singapore, which in theory ought to contain gains in the Hong Kong dollar.

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