Indonesian Rupiah declines despite prevailing high interest rates, weaker US Dollar

The Indonesian Rupiah (IDR) remained relatively stable despite three days of losses for the US Dollar (USD), trading around 17,740 during the Asian trading session on Monday. However, the currency pair might face headwinds as the IDR could gain renewed support from persistently high interest rates. Since May and June, the Indonesian central bank, Bank Indonesia, has raised the Benchmark Interest Rate (BI Rate) by a cumulative 100 basis points to defend the rupiah's stability amid heightened global volatility due to the Middle East conflict.

Acting Governor Destry Damayanti cautioned that rising US Treasury yields could prompt BI to tighten monetary policy further if external pressures on the IDR intensify. In an unexpected move, the United States Treasury Department decided to double its buybacks of longer-dated government debt to counter rising bond yields. The Treasury Secretary mentioned that this could exceed $4 billion, demonstrating a commitment to assert that higher yields do not accurately reflect the country's economic fundamentals.

However, the US Dollar's downside may be tempered by heightened demand for safe-haven assets due to escalating geopolitical tensions in the Middle East. The USD is the world's most heavily traded currency, accounting for over 88% of all global foreign exchange turnover. The Federal Reserve, responsible for shaping monetary policy in the US, aims to achieve price stability and full employment by adjusting interest rates.

When inflation exceeds the Fed's 2% target, the Fed raises rates to bolster the USD, while lowering rates may occur when inflation falls below that threshold or unemployment remains high. In extreme circumstances, the Fed can print more dollars and engage in quantitative easing (QE) to inject liquidity into a struggling financial system, which typically results in a weaker USD.