USD/IDR support test at Rp17,361: Key levels to watch

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US Dollar vs Rupiah slides 0.63% today

Highlights

Bank Indonesia kept its policy rate at 5.75%, prioritizing monetary stability during global uncertainty and recent rupiah weakness.
Inflation remains within target, giving the central bank latitude to maintain rates without additional tightening despite currency pressures.
USD/IDR trades below key short- and medium-term averages with bearish momentum and a projected 1 to 3 day range of Rp17,607 to Rp17,784.

Monetary caution persists as Bank Indonesia holds rates despite rupiah pressure

Bank Indonesia maintained its benchmark interest rate at 5.75 percent following the August 18-19, 2026 policy meeting, reflecting a preference for monetary stability amid ongoing global uncertainty. The central bank's decision to keep rates unchanged, even as the rupiah has weakened this year, signals a cautious stance and limits immediate policy support for the Indonesian currency versus the US dollar. Inflation remains within target, providing Bank Indonesia with scope to avoid tightening for now, though rupiah weakness continues to frame the policy context.

Bearish technical signals as resistance tightens and momentum splits

Technically, USD/IDR trades below its MA-20 at Rp17,772 and MA-50 at Rp17,809, while remaining above the MA-200 at Rp17,361. The Ichimoku Kijun sits at Rp17,777, marking immediate resistance. Momentum indicators are mostly bearish: MACD indicates a strong sell, ADX also shows a sell, and RSI reads 49.7 (sell). Stoch RSI and Bull/Bear Power both flag overbought conditions, while CCI and the Awesome Oscillator are neutral, pointing to conflicted intraday sentiment and limited directionality.

Range-bound trading expected as bullish extension faces resistance

Over the next one to three days, USD/IDR is likely to trade within the Rp17,607 to Rp17,784 band based on typical volatility. Scenario analysis suggests a 40% probability of an upward move and a 60% probability for further downside. The baseline expectation is for continued range-bound action; a break above the Kijun would open room for a bullish extension, while a drop through today’s low could trigger a test of the lower end of the projected range.

Anton Kharitonov, analyst at Traders Union, sees USD/IDR locked in a narrow range with weak momentum and no clear directional bias. He notes that Bank Indonesia’s decision to hold rates steady shows little urgency to defend the rupiah as technical signals remain mixed. The analyst remains cautious until price breaks out of the current band. "My base case is continued sideways price action, and I stay defensive unless we see a close above Rp17,777 or below Rp17,607."

Previously it was reported that USD/IDR faced persistent short-term downside risk amid sustained selling momentum and policy stability from Bank Indonesia. This view remains intact as the pair continues to display bearish technical signals alongside subdued volatility, highlighting the importance of monitoring the Rp17,607 support for signs of a potential breakdown.

Source of Data: USD Price Analysis by TU

The analysis is based on a proprietary model combining technical, on-chain, and expert data. Not investment advice. See methodology

The information is based on forecasts and does not constitute investment advice or a guarantee of future results. Market conditions may change. See our Disclaimer and Editorial Integrity for details.