Thai Baht Slides to 1-Year Low

The Thai baht depreciated past 33 per dollar in late June, its weakest level since May 2025, as widening interest rate expectations between the US and Thailand weighed on the currency. Markets are now pricing in a potential further tightening by the Federal Reserve by October, while Thai rate expectations point to less than a 50% chance of any move over the next six months, reinforcing yield differentials that continue to pressure the baht. The Bank of Thailand is widely expected to keep its policy rate unchanged at 1% this week, maintaining an accommodative stance to support growth. At the same time, Thailand’s economic backdrop remains fragile, with elevated household debt, weak consumption, and external challenges weighing on momentum. Slower Chinese demand and increased global competition are also dampening prospects, while structural issues such as a shrinking workforce and softer tourism flows add further pressure.

The Thai Baht weakened past 32 per USD, hitting a one-month low after the central bank kept its policy rate unchanged at a near four-year low. The Bank of Thailand unanimously held rates at 1%, its lowest since late 2022, in a widely expected move as policymakers prioritize growth support over near-term inflation risks. The decision reflects a focus on cushioning the economy from heightened external volatility, particularly the impact of the ongoing Middle East conflict. Officials noted that Thailand was already lagging regional peers due to weak demand, high household debt, and political uncertainty. They also warned that the geopolitical tensions could further weigh on growth by lifting costs and eroding purchasing power, while tourism may soften as higher fuel prices discourage travel. Although inflation remains subdued, allowing room for loose policy, the low-rate environment underscores Thailand’s weaker yield appeal compared with regional peers, adding pressure on the baht.

The Thai baht weakened past 32 per dollar in mid-April, retreating from a four-week high, and was among the weakest performers across Asian peers, as the US dollar gained momentum amid renewed escalation in US-Iran tensions. The US military is set to begin a blockade of Iranian ports on April 13, which will be enforced impartially against vessels of all nations entering or departing Iranian ports and coastal areas. Simultaneously, President Donald Trump is reportedly considering limited strikes on Iran. The move follows unsuccessful peace talks, heightening fears of a prolonged conflict. The ongoing tensions are placing significant pressure on Thailand’s economy, particularly through higher energy costs, with officials warning that the impact could exceed that of the 2020 pandemic. Still, the Bank of Thailand has signaled that it will keep interest rates unchanged for as long as possible to support growth, despite rising inflation pressures from higher oil prices.