SS #117 - Stablecoin FX Beats Interbank Rates

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Stablecoin cross-border payments undercut interbank FX rates all quarter, but the real story is that single-provider users are leaving $2,330 per $1M on the table as the "parity gap" gives way to a routing tax.

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In Today's Edition:

• Headline: Stablecoin FX Beats Interbank Rates

• Quick Bites: Stablecoin Market Cap Has Shrunk by $10B

• Yield of the Week: USDA's 21.19% APY

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HEADLINE

State of play: Stablecoin cross-border payments priced below the interbank FX rate throughout Q2, according to Borderless.xyz, while sticking with a single provider instead of routing to the best price cost businesses $2,330 per $1M moved.

• The Parity Gap averaged negative 3.2 basis points for the quarter, deepening to negative 5.9 bps in June, its lowest point of the year.

• Delivering $10,000 cost about $27 through the quarter and held within 30 cents of that level for five straight months.

• The cheapest USDT provider on Brazil's real corridor changed 34 times in 88 days, with no single provider holding the top spot even half the quarter.

• Africa's median spread widened 166 bps to 512.8, driven partly by a Malawi corridor repricing 5.8% in a single day with no backup provider.

• USDC priced at a persistent 99 bps discount to USDT in Peru despite the two assets differing by just 0.4 bps at the network level.

What’s Next: Watch whether the Routing Tax narrows as multi-provider infrastructure spreads, or widens further as fragile corridors like Malawi and Ghana show.

Why it Matters: Delivery pricing has commoditized, making provider routing, not the asset or rail, the primary remaining cost lever in stablecoin cross-border payments.

Our Take: The "institutional-grade parity" narrative is aging well, but this shifts the story to "stablecoins beat banks if you route dynamically." The $2,330 per $1M tax favors aggregators and treasury-tech platforms over single-provider users.

QUICK BITES

• Stablecoin FX priced below interbank rates in Q2.

• Stablecoin market cap has shrunk by $10B since May.

• Bank of Thailand audits stablecoin trades to crack down on illicit finance.

• Japan's SBI Group to launch JPYSC stablecoin lending service this month.

• Japan's Lawson convenience store pilots stablecoin payments with JPYC.

YIELD OF THE WEEK

USDA: 21.19% APY

• The market accepts USDA deposits and lends them out against a wide range of Cardano-native collateral assets, with ~$766.28k in total deposits and ~$141.4k in available liquidity at 81.55% utilization against a 10M USDA supply cap.

• Capital is deployed into overcollateralized lending positions across 15 accepted collateral types including ADA, DJED, USDM, and USDCx, with liquidation thresholds ranging from 40% to 81% depending on collateral quality.

• Yield is generated from borrowing demand at a 32.49% borrow APR, with 80% of interest income distributed to suppliers and the remaining 20% directed to the protocol treasury, producing a 21.19% supply APY.

wanUSDT: 15.75% APY

• The market accepts wanUSDT deposits, a Wanchain-bridged USDT on Cardano, and lends them out against a broad range of collateral assets, with ~$495.41k in total deposits and ~$142.89k in available liquidity at 71.15% utilization.

• Capital is deployed into overcollateralized lending positions across 20 accepted collateral types including ADA, DJED, wanETH, and wanBTC, with liquidation thresholds ranging from 40% to 81% depending on collateral quality.

• Yield is generated from borrowing demand at a 27.66% borrow APR, with 80% of interest income distributed to suppliers and the remaining 20% directed to the protocol treasury, producing a 15.75% supply APY.

USDM: 13.29% APY

• The market accepts USDM deposits and lends them out against a wide range of Cardano-native collateral assets, with ~$1.29M in total deposits and ~$451.05k in available liquidity at 65.25% utilization against a 10M USDM supply cap.

• Capital is deployed into overcollateralized lending positions across 15 accepted collateral types including ADA, DJED, USDA, and USDCx, with liquidation thresholds ranging from 40% to 81% depending on collateral quality.

• Yield is generated from borrowing demand at a 25.51% borrow APR, with 80% of interest income distributed to suppliers and the remaining 20% directed to the protocol treasury, producing a 13.29% supply APY.

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