Taiwan’s September trade surplus widened to a record USD23.6bn, beating the Bloomberg consensus of USD19.0bn and rising from USD22.3bn in August, as exports jumped 60.9% year-on-year on AI-related demand. For January to September, the surplus increased 61.9% year-on-year to USD160.6bn, already above the full-year 2025 outturn of USD157.1bn. The stronger external position comes as inflation averaged 1.9% over the first nine months of the year, before accelerating to 2.7% year-on-year in September ahead of the 17 December policy meeting.
In the foreign-exchange market, USD/TWD rose 0.3% to 31.90, attributed to broader dollar strength, higher oil prices and foreign portfolio outflows. Foreign investors were net sellers of USD2.6bn of Taiwanese equities, the largest daily outflow in nearly a month. The pair has traded within a 31.65–31.95 range over the past month, and the central bank said it intervened in September, with estimated sales of up to USD1.1bn.
Range-Bound Currency Strategies and Central Bank Intervention
We suggest derivative traders look at range-bound strategies for the USD/TWD currency pair over the coming weeks. With Taiwan reporting a record $23.6 billion September trade surplus driven by a 60.9% year-on-year surge in AI exports, fundamental backing for the local currency remains exceptionally strong. However, while foreign equity outflows of $2.6 billion recently pushed USD/TWD near the upper limit of its 31.65 to 31.95 channel, central bank intervention of roughly $1.1 billion demonstrates clear resistance against further dollar strength.
To capitalize on this capped upside, we favor selling call options near the 31.95 threshold or setting up short-dated range-bound spreads. Historically, foreign exchange interventions supported by massive trade surpluses successfully prevent long-term currency devaluation and cap volatility. Strategies that collect option premiums during consolidation allow market participants to generate income while limiting overall directional risk.
Monetary Policy, Inflation, and Opportunities in Equity Derivatives
We also advise preparing for a hawkish pivot in local interest rate derivatives ahead of the central bank’s December policy meeting. Driven by robust economic activity, domestic inflation accelerated to 2.7% year-on-year in September, well above its 1.9% average for the first nine months of the year. Positioning for higher short-term yield expectations or tighter swap rates aligns with the growing likelihood of monetary tightening to curb rising prices.
Finally, equity index derivatives tied to the technology sector offer strategic entry points on market pullbacks caused by short-term foreign portfolio selling. Taiwan’s year-to-date trade surplus of $160.6 billion has already surpassed the total surplus recorded in full-year 2025, underlining durable global demand for AI hardware. We view temporary pullbacks in export-heavy benchmarks as attractive opportunities to structure long derivative positions for the medium term.
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