U.S. short-term yields now offer an unusually large advantage over much of Asia.
Bank of America estimates that the GDP-weighted two-year yield across emerging Asia is 174 basis points, or 1.74 percentage points, below the two-year U.S. Treasury yield, according to a note shared with TheStreet. A broader bond-market measure also puts Asia’s yield discount to Treasuries at its widest in more than 20 years.
That kind of gap would normally favor the dollar. But BofA said lower-yielding currencies, including the South Korean won, Chinese yuan, and Singapore dollar, have held up better in 2026 than higher-yielding currencies such as the Indian rupee, Indonesian rupiah, and Philippine peso.
The bank sees another set of flows pulling the region apart: North Asian exporters are bringing in dollars from booming technology shipments. At the same time, oil importers need more dollars to pay energy bills as Brent trades above $100 a barrel.
Brent remained above $100 on Wednesday, Oct. 7, as investors weighed threats to global supply.
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Why a 20-year yield gap isn’t sinking all Asian currencies
Higher U.S. interest rates still give investors an incentive to hold dollar assets.
But BofA says bond yields are no longer the only force driving currencies. Cross-border equity flows, investors’ currency hedges, and exporters converting dollar revenue back into local currencies are playing a bigger role.
BofA also says some of the extra yield offered by developed-market bonds reflects higher fiscal and inflation risk.
The export effect is particularly visible in South Korea and Taiwan, where technology shipments have surged.
Chip exports are giving Korea and Taiwan an FX cushion
South Korea exported a record $120.9 billion of goods in September, up 83.5% from a year earlier, Reuters confirmed.
Semiconductor shipments rose 262.8% to $60.3 billion as AI infrastructure spending fueled memory demand and chip prices.
Those exports generate dollar revenue. When Korean companies convert part of those earnings into won, they sell dollars and buy the local currency, helping support the won.
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Taiwan has a similar source of support.
BofA said Taiwan’s current-account surplus reached about 24% of GDP in the second quarter, and the bank expects higher prices for technology exports to keep supporting export revenue.
Taiwan’s September consumer prices, released on Oct. 7, added another piece to BofA’s argument. CPI increased 2.73% from a year earlier, above Taiwan’s 2% policy rate.
BofA states that stronger inflation gives Taiwan’s policymakers more reason to tolerate currency appreciation, because a stronger Taiwan dollar can lower the local cost of imported goods.
The bank therefore suggests shorting offshore yuan and long Taiwan dollar trade.
But it doesn’t mean that the yuan must fall against the U.S. dollar. China still faces a softer inflation backdrop, and Taiwan is receiving more support from strong technology exports and a large current-account surplus.
Oil above $100 squeezes Thailand, the Philippines, and India
Energy importers face the other side of the dollar flow.
Higher crude prices force countries that buy oil from abroad to spend more dollars on the same fuel. The added cost can also push domestic inflation higher.
The latest data show that pressure clearly:
- Philippines: September inflation reached 7.2%, compared with a 5% central-bank policy rate.
- Thailand: September inflation reached 2.82%, compared with a 1% policy rate.
Philippine inflation accelerated from 6.1% in August. Transport prices rose 14.6%, and housing, water, electricity, gas, and other fuels increased 8.4%.
Thailand’s inflation increase was driven partly by higher fuel and food prices.
That leaves policy rates below inflation in both countries. On BofA’s measure, real policy rates are about -2.2% in the Philippines and -1.8% in Thailand, reducing the interest-rate cushion for their currencies.
India raised rates on Oct. 7 as higher oil prices added to inflation and pressure on the rupee.
The Reserve Bank of India increased its repo rate by 25 basis points to 5.5%, its first hike in nearly four years, and shifted its policy stance toward calibrated tightening.
The rupee still fell to 96.845 per dollar, close to its record low of 96.96. High oil prices, foreign portfolio outflows, and elevated global rates have continued to pressure the currency, despite RBI intervention.
BofA prefers to be short the Thai baht against a basket of the Indian rupee and Malaysian ringgit.
The bank expects India’s rate increases to provide the rupee with some support, while Malaysia’s status as a net energy exporter gives the ringgit more protection from expensive oil.
Taiwan’s September export figures are due on Oct. 8. Another strong report would add evidence that technology shipments continue to bring dollars into the economy.
For oil importers, Brent staying above $100 would keep pushing in the opposite direction.
The next test is whether export dollars can keep supporting North Asian currencies as high U.S. yields draw capital toward the dollar and expensive oil increases dollar demand among the region’s importers.
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