Rupiah Stability Focus
BI raised domestic non-deliverable forward (DNDF) sell limits by 50% to USD10mn. It also increased USD swap buy-sell limits by 50% to USD10mn. These measures aimed to protect FX reserves, which were USD151.9bn in February. BI also planned wider use of macroprudential tools, local currency transactions, credit support measures, and QR cross-border payments. We recall how Bank Indonesia pivoted last year in March 2025 to prioritize Rupiah stability, holding rates while tightening foreign exchange rules. This move was designed to reduce speculation and has successfully anchored the currency. Now, with the USD/IDR exchange rate holding steady in a tight range around 16,100 for the past two months, that strategy’s impact is clear. The central bank’s active management has crushed currency volatility, a trend we expect to continue in the coming weeks. One-month implied volatility for USD/IDR has compressed significantly, recently falling to a 12-month low of 5.5% from levels above 8% before the policy shift in early 2025. This environment favors strategies that profit from low volatility, such as selling strangles or straddles on the USD/IDR pair.Strategy Implications For Usd Idr
The tighter regulations on foreign exchange purchases and expanded DNDF limits established in 2025 act as a strong ceiling against sharp Rupiah depreciation. We see little value in buying upside call options on the USD/IDR pair, as BI has shown it will actively intervene to defend the currency. Any speculative moves higher are likely to be short-lived and met with central bank resistance. Despite the focus on stability, the interest rate differential remains a key factor for traders. With Bank Indonesia’s policy rate currently at 5.25% and recent inflation data for February 2026 holding steady at 3.4%, the positive real yield on the Rupiah is attractive. This supports a carry trade strategy, borrowing in lower-yielding currencies to invest in Indonesian assets. Create your live VT Markets account and start trading now.
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