Taiwan dollar forwards rose after a joint US–Taiwan pledge to avoid FX manipulation, signaling quick market approval for clearer policy guardrails and more transparency from the island’s central bank. One‑month offshore contracts climbed 2% to 30.454 against the dollar soon after the statement, with gains extending across other tenors while spot trading in Taipei had already closed.
Key Points
The Central Bank of the Republic of China (CBC) and the US Treasury said they would avoid manipulating exchange rates or the international monetary system to prevent balance‑of‑payments adjustment or to gain an unfair competitive edge. The statement also sharpened disclosure standards and clarified how and when FX interventions should occur.
Market reaction: Taiwan dollar forwards lead the move
Taiwan dollar forwards were the first to reflect the policy pledge, jumping immediately as liquidity in the offshore market absorbed the news. With the spot closed in Taipei when the release crossed, Taiwan dollar forwards became the primary price signal, a common dynamic when announcements land after the local session.
The rally extended beyond the one‑month tenor, indicating broader repricing of near‑term expectations. Traders often treat the forward curve as a proxy for policy credibility and expected volatility—both of which were in focus following the statement.
What the joint statement says
The CBC and the US Treasury agreed to avoid manipulating exchange rates or the international monetary system to forestall balance‑of‑payments adjustment or to secure an unfair competitive advantage. The language aligns Taiwan’s stance with global norms and recent messaging from other Asian economies, including South Korea, Thailand, and Japan, which have issued similar statements in recent months.
Officials added that public investment vehicles—such as pension funds—should invest overseas mainly for risk‑adjusted returns and diversification, not for the purpose of influencing exchange rates. They emphasized that any FX intervention should be reserved for periods of excessive volatility or disorderly market conditions.
Transparency boost: quarterly FX intervention disclosures
In a notable shift toward transparency, the CBC will disclose foreign‑exchange intervention operations at least quarterly, a faster cadence than the current semiannual schedule. For markets, this means fresher data on the size and frequency of operations, which can reduce rumor‑driven uncertainty and help calibrate positioning.
Because price discovery reacts quickest in derivatives, traders will likely watch Taiwan dollar forwards closely for signs of how new disclosures are shaping sentiment. More timely data can narrow the gap between policy actions and market understanding, potentially smoothing intraday swings.
Policy guardrails for public investment vehicles
The joint statement clarified that public investment vehicles should be guided by risk‑adjusted return and diversification objectives, not currency targets. That framework pushes capital allocation decisions away from FX motives and toward portfolio fundamentals. It also complements the narrower definition of when intervention is appropriate—episodes of exceptional volatility or disorderly trade.
For investors, the clearer separation of investment management from currency policy reduces the risk that large public mandates could be interpreted as stealth FX tools. One practical effect: it may lower headline‑driven whipsaws in Taiwan dollar forwards around fund‑flow headlines.
Regional context and consistency with current practice
Authorities noted that similar statements have been released elsewhere in Asia this year, underscoring a regional effort to codify best practices on FX conduct and transparency. In a separate Chinese‑language release, Taiwan’s central bank said the principles are consistent with its longstanding approach and unrelated to ongoing trade negotiations with the Trump administration.
That local clarification is important for market interpretation. It anchors the move as a policy‑communication enhancement rather than a pivot designed to influence parallel talks.
Debate over valuation: rebutting Big Mac Index claims
The central bank also pushed back against a report asserting that the Taiwan dollar has been undervalued, calling the Big Mac Index “flawed and misleading” for FX valuation. Officials reiterated that the US Treasury has not asked Taiwan to strengthen its currency, even as the island’s trade surplus with the US has grown.
By addressing the valuation narrative head‑on, policymakers aimed to cool speculation that fresh appreciation pressure is a policy goal—another reason Taiwan dollar forwards took the lead in pricing a cleaner policy backdrop rather than a forced currency path.
Performance backdrop: a strong year for the currency
Taiwan’s currency has gained more than 5% year‑to‑date to 31.15 per US dollar, outperforming most Asian peers. In May, the local unit posted its biggest surge since the 1980s amid speculation that authorities might tolerate appreciation to aid US trade talks. Officials now say those talks are nearing completion, with local media reporting both sides have agreed to reduce the previously announced reciprocal tariff rate from 20%.
Against that backdrop, Taiwan dollar forwards often act as a pressure valve when spot is closed or liquidity is thinner, translating policy headlines into immediate pricing along the curve.
Why the pledge matters for markets
- It clarifies intervention triggers, anchoring them to volatility control rather than trend management.
- It upgrades transparency via quarterly intervention reporting, narrowing the information gap for investors.
- It aligns Taiwan with peers that have issued similar commitments, reducing the risk of outlier behavior.
- It reduces the risk that public investment vehicles are perceived as FX tools, stabilizing flows‑related narratives.
Each element can compress uncertainty premia embedded in Taiwan dollar forwards, especially in short‑dated tenors that are most sensitive to policy signaling.
Early read‑throughs for investors
- Derivatives first: With spot closed at the time of release, Taiwan dollar forwards were the earliest channel for price discovery, and may remain the most reactive as disclosure cycles begin.
- Curve shape: If transparency lowers volatility risk, the forwards curve could gradually reflect a smaller risk premium, particularly at the front end.
- Data watch: Quarterly intervention reports will become a new calendar focus for FX desks alongside standard macro releases.
Statements from authorities
The joint release from the CBC and US Treasury contained the core commitments on non‑manipulation, intervention limits, and the role of public investment vehicles. Taiwan’s central bank separately stressed that the principles match current practice and are unrelated to ongoing trade negotiations. It also rejected the undervaluation claim raised by The Economist’s Big Mac Index methodology.
Those clarifications aim to separate policy communication improvements from trade‑linked currency expectations, a distinction that markets quickly reflected through Taiwan dollar forwards.
What to watch next
- The CBC’s first quarterly intervention disclosure under the new cadence.
- Any follow‑up clarifications on how “excessive volatility” or “disorderly” conditions will be assessed.
- Forwards‑spot dynamics on headline days, particularly when the local spot is closed.
- Signals from trade talks reported by local media and any implications for broader FX sentiment.
Together, these checkpoints will guide how durable the initial move in Taiwan dollar forwards proves to be and whether the policy transparency dividend expands over time.
Bottom line
Taiwan dollar forwards rallied after Taiwan and the US vowed to avoid FX manipulation and outlined tighter guardrails on intervention and public investment flows. With quarterly reporting set to replace semiannual disclosures, markets will get faster reads on policy operations. The approach aligns Taiwan with regional peers and, according to the central bank, reflects existing practice rather than a trade‑linked currency strategy. For investors, the new clarity lowers uncertainty around the policy reaction function—an immediate positive that forwards were first to price.
FAQ’s
What triggered the move in Taiwan dollar forwards?
A joint US–Taiwan statement pledging to avoid FX manipulation and limit intervention to disorderly markets. One‑month offshore forwards rose about 2% to 30.454 after the release.
What did the US–Taiwan statement actually commit to?
Both sides vowed not to manipulate exchange rates or the international monetary system. Interventions should target excessive volatility, and public investment vehicles should invest for returns and diversification—not FX influence.
How is FX transparency changing in Taiwan?
The central bank will disclose FX intervention at least quarterly, up from semiannual reports. More frequent data can reduce uncertainty and help markets price policy faster.
Is this tied to trade talks or currency undervaluation claims?
Taiwan’s central bank said the principles reflect current practice and aren’t linked to ongoing US trade negotiations. It also disputed “undervalued” claims based on the Big Mac Index and noted the US Treasury hasn’t asked for TWD appreciation.

