How Does Pluang Determine Its IDR-USD Exchange Rate?
The IDR-USD exchange rate you get on Pluang is determined by Pluang's reference custodian bank, an institution supervised by Bank Indonesia and operating in compliance with OJK regulations. Pluang does not set the rate itself or publish a fixed daily rate: the custodian bank's rate follows real-time movements in the currency market, so it shifts through the day as the market moves. Because of this, a spread is applied on top of the underlying market rate, and how wide that spread is depends on several factors — market volatility, trading volume, and the exact time you convert. A conversion made during a calm, liquid session will usually carry a narrower spread than one made when the market is moving sharply. This spread is built into the rate itself and is entirely separate from the 0.25% conversion fee plus VAT that Pluang charges on the transaction.
- Rate source: Pluang's reference custodian bank sets the IDR-USD rate; Pluang does not price the rate itself.
- Supervision: That custodian bank is supervised by Bank Indonesia (BI) and complies with OJK regulations.
- Market-following: The rate tracks real-time currency market movements rather than a fixed daily figure.
- Spread: A spread is applied on top of the underlying market rate and is built into the rate you see.
- What moves the spread: Market volatility, trading volume, and the time of day you convert — it is not a fixed markup.
- Separate from the fee: The spread is distinct from the 0.25% conversion fee plus 11% VAT charged on the transaction.
Related questions:
Q: Who actually sets the IDR-USD rate that Pluang applies?
Pluang's reference custodian bank sets it, not Pluang. That bank is supervised by Bank Indonesia and operates in compliance with OJK regulations, so the rate comes from a regulated financial institution rather than being priced internally by the app. Pluang passes through the rate the custodian bank provides at the moment of your conversion, which is why the figure you see moves with the market instead of staying fixed for the whole trading day.
Q: What is the spread, and why does it change?
The spread is the margin applied on top of the underlying market exchange rate, and it is built into the rate you are shown rather than listed as a separate line. Its width depends on market volatility, trading volume, and the exact time you convert. When the currency market is calm and liquid the spread is typically narrower; when the market is moving sharply or trading thinly, the spread tends to widen to reflect those conditions.
Q: Does Pluang use the same rate as Bank Indonesia's published reference rate?
No. Pluang applies the rate provided by its reference custodian bank, which follows live currency market movements and carries its own spread. Bank Indonesia's role here is as the supervisor of that custodian bank, not as the source of the rate you are quoted. So the number you see in the app will not match a published mid-market or reference rate exactly, because the spread and real-time market movement are both reflected in it.
Q: Why can the rate differ between two conversions on the same day?
Because the rate follows the currency market in real time, and the spread applied on top of it responds to volatility, volume, and timing. Two conversions made hours apart on the same day can therefore land on different rates, even for the same amount. This is normal market behaviour rather than a change in Pluang's pricing, and the conversion fee itself stays the same 0.25% plus 11% VAT regardless.