TL;DR

· On June 23, the US Dollar Index held above 101, with the USD/JPY pair approaching the key level of 161.96, a level not seen in nearly 40 years.
· The Fed's dot plot and the futures market indicate increasing bets on rate hikes during the year, with short-term Treasury yields continuing to support the dollar.
· Japan's verbal intervention warning reinforces intervention expectations, but until the interest rate differential changes, intervention is more likely to affect the speed of volatility rather than the trend.

On June 23, during the trading session, the US Dollar Index remained above 101, and the USD/JPY pair briefly approached the vicinity of 161.96, a key level. This level is closely watched because once breached, the yen would enter its weakest range since December 1986. The main theme in the forex market is becoming tighter: the Fed's policy expectations are turning hawkish again, short-term US Treasury yields are high, and the yen's weakness has once again raised the question of possible intervention in the forex market by Japanese authorities. For investors, this is not just about dollar strength but also relates to global funding costs, carry trades, and Asian currency pressures.

Fed Expectations Turn Hawkish, Dollar Holds Above 101

As of June 23, during the trading session, the US Dollar Index was near 101.01, not far from the one-week high of 101.13. The DXY, which measures the dollar against a basket of major currencies, is strengthening again, with the most direct driver behind this being the changing Fed policy expectations.

According to Reuters, on June 17, the Fed kept the federal funds rate unchanged at 3.50% to 3.75%, but the latest dot plot showed that 9 officials expect rate hikes by the end of 2026. The statement also removed the wording hinting at rate cuts within the year. This change has made it more difficult for the market to continue trading on dovish expectations, and the futures market has significantly increased bets on the possibility of rate hikes within the year or before September.

Short-term US Treasury yields are also providing support. The 2-year Treasury yield hovered around 4.22% to 4.23% during the session, close to the high since February 2025. For the forex market, an upward movement in short-term yields will increase the attractiveness of dollar assets, especially when the policy outlook for major economies like Japan and Europe is relatively moderate.

OCBC FX strategist Sim Moh Siong believes that the rising yields and more hawkish Fed expectations are jointly supporting the dollar. If the US Dollar Index further breaks through the 14-month high of 101.97, the dollar may gain new upward momentum. This level makes the area above 101 not just an ordinary round number but a technical zone for short-term funds to observe whether the dollar can continue its strength.

Other major currencies are also under pressure. The euro is trading around 1.1423, the pound around 1.3246, the Australian dollar and the New Zealand dollar around 0.6991 and 0.5704, respectively. European Central Bank President Lagarde downplaying concerns about second-round inflation, the impact of UK political changes on the pound, did not change the day's main theme. The market is more focused on whether the US dollar interest rate expectations will continue to rise.

Yen Nears 161.96, Japan Issues Verbal Warning

The yen is one of the most sensitive assets in this strong dollar environment. As of intraday June 23, the US dollar against the yen is around 161.59, reaching as high as 161.93 intraday, just a step away from 161.96. According to Japan Times and Reuters reports, if the US dollar breaks through around 161.95 to 161.96, it would mean the yen falling to its lowest level since December 1986.

The core reason for the sustained pressure on the yen is still the US-Japan interest rate differential. While the US market is betting on a rate hike, the Bank of Japan's policy normalization pace is relatively slow. The advantage for investors holding US dollar assets is increasing, driving up selling pressure on the yen. A weak yen benefits Japanese export companies in terms of profit conversion, but it also raises import costs, especially energy and food prices, putting pressure on household purchasing power and inflation expectations.

As a result, the attitude of the Japanese Ministry of Finance has become the market's focus. Japanese Finance Minister Shozaburo Kishida has recently issued verbal warnings about yen fluctuations, stating that Japan is prepared to take action when necessary. Traders speculate that Japanese authorities may intervene in the forex market by buying yen and selling dollars when approaching historical lows.

However, intervention is still at the expectation stage and cannot be written as a policy action that has already taken place. Historical experience shows that Japanese forex interventions can usually create sharp short-term volatility, forcing short sellers to cover. If the US-Japan interest rate differential continues to widen, a single intervention is unlikely to fundamentally alter the direction of the US dollar against the yen. Japanese authorities are more likely to change the pace of the exchange rate's upward movement than to completely reverse the trend.

This also makes the vicinity of 161.96 a double-edged threshold. On one side, the interest rate differential and the strong US dollar continue to push the US dollar against the yen higher, while on the other side, the closer it gets to nearly a 40-year low, the higher the policy intervention risk. For short-term traders, this position is not only a technical level but also a policy risk level.

Oil Prices Rebound, Reigniting Inflation Concerns

Outside of the forex market, oil prices also reentered the market's focus on the same trading day. According to Reuters, on June 22, oil prices had previously dropped by about 4% due to developments in US-Iran negotiations and news related to the opening of the Strait of Hormuz. Subsequently, oil prices rebounded, indicating that the market is still awaiting clearer geopolitical and supply signals.

The Strait of Hormuz is one of the world's most important crude oil transportation routes, with about one-fifth of global oil supply passing through it. Once passage resumes as expected, the risk to oil supply decreases, putting downward pressure on oil prices. However, as long as progress in negotiations, maritime security, and actual supply recovery are not fully confirmed, oil prices are prone to volatile swings based on news.

The impact of oil prices on the US dollar trade is because it will re-enter inflation expectations and central bank policy assessments. If the oil price rebound continues, the market will find it harder to believe that inflation pressures have eased, thereby strengthening the Fed's reasons to maintain higher interest rates or even hike. If oil prices fall again, some inflation concerns may ease.

Currently, oil prices are more like a secondary clue outside of the US dollar and US bond yield, rather than the main theme in the forex market that day. However, in an environment where Fed expectations have already turned hawkish, any energy price rebound could magnify the market's sensitivity to inflation.

Strong US Dollar Trade Still Stuck on Three Unresolved Issues

The most direct issue in the current market is whether the Fed will actually hike interest rates this year or before September. The futures market has significantly escalated its bets, but this is not a Fed commitment and still depends on upcoming inflation, employment, and growth data. If the data continue to support a hawkish stance, the dollar may continue to receive support. If inflation eases or employment weakens, rate hike expectations may quickly cool off.

The second issue lies with Japan. The closer the USD/JPY gets to 161.96, the stronger the intervention expectations, but there is still uncertainty about whether Japanese authorities will intervene, the scale of intervention, and whether the US will cooperate. The market is truly concerned not about verbal warnings themselves, but about the potential for momentary volatility from intervention.

The third issue comes from oil prices. There is still a gap between US-Iran negotiations, expectations for the Strait of Hormuz reopening, and actual supply recovery. If oil prices continue to rebound, it will reinvigorate inflation concerns, in turn supporting US bond yields and the dollar.

This round of the market is currently still dominated by US interest rate expectations. Whether the US dollar index can break through 101.97, whether USD/JPY can cross 161.96, and whether Japanese authorities will move from verbal warnings to actual action will determine whether the forex market will continue the strong dollar trend or enter more intense two-way volatility.

Welcome to join the official BlockBeats community:

Telegram Subscription Group: https://t.me/theblockbeats

Telegram Discussion Group: https://t.me/BlockBeats_App

Official Twitter Account: https://twitter.com/BlockBeatsAsia