The People’s Bank of China (PBOC), China’s central bank, sets the daily midpoint for the yuan, also known as renminbi or RMB. This is part of a managed floating exchange rate system, where the yuan is allowed to fluctuate within a set band around a central reference rate. The current fluctuation band is at +/- 2%.
For today, the PBOC set the USD/CNY reference rate at 7.1345, compared to an estimate of 7.1709. This rate is the strongest for the Chinese yuan against the US dollar since November 6 of the previous year. The prior closing rate was 7.1836.
Challenging Market Expectations
The central bank’s strong signal today directly challenges the market’s expectation of a weaker yuan. Derivative traders who have been betting on a higher USD/CNY rate should reconsider their positions. We see this as a deliberate move to curb speculation and inject two-way risk back into the currency.
Implied volatility on yuan options is likely to rise in the coming days due to this unexpected action. The significant difference between the official setting and market estimates introduces uncertainty, which option sellers can use to their advantage by demanding higher premiums. We saw a similar dynamic during the policy shifts of August 2015, which led to a sustained period of higher volatility.
This move suggests the PBOC may be establishing a new, lower ceiling for the USD/CNY pair, possibly defending the 7.20 level more forcefully. Traders could look at strategies that profit from limited upside, such as selling out-of-the-money call spreads. The previous close at 7.1836 now looks like a near-term top rather than a stepping stone to further weakness.
Implications for Global Markets
We believe this will provide a tailwind for currencies of China’s major trading partners. The Australian dollar, often used as a liquid proxy for Chinese economic health, could see strength against the US dollar. As of this quarter, Australia’s exports to China have already rebounded by 5% year-over-year, and a stronger yuan reinforces this relationship.
A stronger yuan also increases China’s purchasing power for dollar-denominated commodities. This could provide support for assets like crude oil and copper, which have seen prices stagnate recently amid global growth concerns. We anticipate renewed interest in call options on these commodities as traders price in stronger Chinese demand.
This policy shift seems timed with recent data showing a modest economic stabilization, including a surprising 2.1% month-over-month increase in July industrial production. The PBOC likely feels more confident in guiding the currency stronger without derailing the fragile recovery. This reduces the tail risk of a sharp, uncontrolled depreciation that many had been positioning for.
