Working Capital, Working Harder: How to Earn Yield on Idle Stablecoin Balances
Elena Beech
Idle stablecoin balances earn nothing. The issuer keeps the interest on the reserves behind them, and you're left holding a balance that does no work while it waits to settle the next payment.
$27 trillion sits idle in the correspondent accounts banks hold with each other to settle cross-border payments, according to BIS estimates. That's capital which has to sit available, earning nothing, when it could be earning yield.
Why Prefunding Exists
Paying a supplier, seller, or user in another currency on time means holding a balance in that currency before the payment is due. A platform running remittances across multiple corridors carries this cost in every one of them.
The same problem shows up everywhere money crosses a border. Payroll platforms prefund local accounts so that salaries arrive on time. Trade finance desks hold collateral against letters of credit. B2B payment platforms keep balances in every corridor they serve because the settlement window closes on a schedule the business doesn't control. Each of these is a version of the same larger issue: hold cash you can't use, so that cash is there when you need it.
In traditional finance, this was considered the price of being able to pay on time. The infrastructure to keep a balance both liquid and productive didn't exist, so teams chose availability over return. That trade-off is no longer necessary, and the businesses that continue to prioritise availability over return are paying an opportunity cost every month, while their competitors put that capital to work.
Making Working Capital Actually Work
OpenTrade lets fintechs, neobanks, and treasury teams earn yield on idle stablecoin balances without giving up liquidity. Funds move in and out as your payout schedule demands, through vaults such as the Prime+ Vault, where the rate is set at the start of each month so you know what you'll earn before it begins.
Where highly liquid instruments in traditional finance pay little, and the best rates are normally reserved for balances that are locked away in fixed-term deposits that last months to years, OpenTrade generates yield on float in as short as three days.
Not all stablecoin yield is generated the same way, and the yield source matters more than the headline interest rate offered. A lot of onchain yield comes from DeFi strategies such as lending or looping against other onchain assets, which are exposed to the same market conditions at the same time.
OpenTrade's yield primarily comes from high-quality real-world assets sourced through traditional financial institutions, such as Franklin Templeton, BlackRock, WisdomTree, Fidelity, and more, with holdings verified weekly for full transparency. Any company evaluating a yield partner should do the diligence on what's actually generating the return, not just what it's currently paying.
For a platform, the mechanics are simple: Balances sit in a vault, such as Prime+, where the rate is fixed for the month ahead. Funds can move in and out as payout schedules demand, on a best-efforts basis, so treasury teams don't have to forecast around a lock-up period that doesn't exist elsewhere in their business. The float keeps doing its original job of being ready for settlement. The difference is, it compounds interest while it waits.
Your treasury's idle balances could be earning. Get in touch to see what that looks like for your platform.
How to earn yield on stablecoins
The right question isn't whether yield is risk-free, because no yield is. It's how the yield is structured and what stands behind it. OpenTrade's yield is backed by liquid fixed-income collateral held with tier 1 custodians, with holdings verified weekly and full transparency into what backs your balance. Clients retain the ability to move funds in and out on a best-efforts basis. All yields are variable, and past performance is not indicative of future results.
Are stablecoin yields variable
Most are, yes. Yields tied to lending demand or market conditions move continuously, which makes forecasting difficult. The Prime+ Vault works differently: the rate is set at the start of each month and holds for that month, so you know what you'll earn before it begins and can build margins around it. The rate resets month to month, so it changes over time, but you always know it in advance.
Do stablecoin yields fluctuate with interest rates
Generally, yes. Most stablecoin yield ultimately traces back to short-term interest rates, so as the underlying rate environment moves, yields tend to move with it. The Prime+ Vault is targeted at approximately 2% above the USD risk-free rate, which means it tracks that benchmark rather than moving unpredictably, and the monthly reset is where any change shows up.
Who is this actually for?
Any fintech, neobank, exchange, or payment platform holding stablecoin balances that sit idle between transactions, whether that's prefunded float for cross-border payouts, payroll accounts ahead of a pay run, or working capital held against upcoming settlement. If the balance already exists and already sits there waiting, it's a candidate for this.
Elena Beech