Hedge Funds Bet on Stronger Yen, Bitcoin Impact Uncertain

Hedge funds are betting on the Japanese yen's continued rise, with options positioning indicating a dollar-yen rate below 150 by year-end and potentially as low as 140 in longer-dated trades. This trend extends beyond currency markets, as cheap yen borrowing has supported leverage in global risk assets, including Bitcoin (BTC), which has previously struggled when funding costs increased. Chicago Mercantile Exchange (CME) data shows the most-active dollar-yen contract was a November put option with a strike price of 142.86, with puts outnumbering calls by more than three to one. The dollar-yen pair fell nearly 5% in the week leading up to Tuesday before partially recovering, prompting investors to close yen-funded carry trades as the yen strengthened. Three weeks prior, the pair was near 159, with Japanese investors net buying over 5 trillion yen of foreign assets until August 15. Rising Japanese inflation has shifted this trend. Hawkish signals from Bank of Japan officials triggered the yen's rise, breaking the 155 level. The pair traded around 153.44 on Wednesday, down 2.1% for the year. Bitcoin was near 78848 dollars on Wednesday, up 0.26% over 24 hours. A stronger yen increases repayment costs for investors who borrowed yen for dollar-denominated crypto positions. Additionally, rising Japanese bond yields make yen assets more attractive, potentially weakening the carry trade incentive. If these trends accelerate, investors may need to unwind positions and sell risk assets. Nomura reports macro funds are focusing on the 150 to 152 range, with 12-month structures targeting 140. Bitcoin's resilience may depend on the Bank of Japan's September decision.