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China's surging stock market is causing a sell-off in bonds and prolonged debt securities

30-year government bonds experienced a decline of up to 0.7% on Thursday, continuing a week-long decrease of 1.5% to reach their lowest point.

Stock market surge in China results in a decline for bonds and extended debt instruments
Stock market surge in China results in a decline for bonds and extended debt instruments

China's surging stock market is causing a sell-off in bonds and prolonged debt securities

In recent times, the Chinese bond market has been under increased pressure, with a sell-off persisting due to a combination of economic challenges, geopolitical tensions, and monetary policy expectations.

The sell-off in China's bond market is primarily driven by concerns over geopolitical risks related to Taiwan, structural economic issues resembling a potential "Japanification" scenario with prolonged deflationary pressures, and cautious investor sentiment due to insufficient fiscal stimulus to address demand deficits. Additionally, China's property sector's shrinking contribution to credit indices and cautious policymaker strategies that avoid aggressive stimulus have made bond investors wary, although some targeted support measures are expected.

China’s growth momentum, characterized by a grinding slowdown and moderate economic challenges without large stimulus "bazookas," is impacting this trend. While policymakers focus on managing downside risks, persistent deflationary trends (e.g., two years of producer price deflation) and weaker wage/investment growth pressure bond yields to stay volatile and elevated in some segments. Investors remain cautious about lower-rated bonds in weaker sectors, which face credit risk despite yield advantages.

Despite short-term volatility, China government bonds have offered some diversification benefits during global market fluctuations but require caution in lower-quality credits. The potential impact of a slowing Chinese economy on the Chinese bond market was highlighted by Lynn Song, Greater China chief economist at ING Bank.

The slowdown in broad credit growth, as indicated by official data released Wednesday, may be a concern for the Chinese bond market. Official data showed that lending at Chinese banks contracted for the first time in two decades in July, which could impact the Chinese bond market. Yields on 30-year maturity Chinese government paper increased by one basis point.

Futures on 30-year Chinese sovereign notes fell by up to 0.7% on Thursday, extending this week's drop to 1.5%. The Chinese bond market's movements may ultimately depend on China's growth momentum. According to Lynn Song, measures such as cuts to the benchmark rate could support the bond market.

However, the easing of US-China trade tensions and optimism about curbing overcapacity have not been mentioned in the current paragraph as contributing factors to the pressure on the Chinese bond market. It is worth noting that the imposition of a tax on certain bond investments, which had previously soured investor sentiment in the Chinese bond market, was not mentioned in the current paragraph.

The Chinese bond market's movements are less dramatic in the cash bond market compared to the futures market. Asset allocation rotation, with equities performing well and a potential recovery of investor risk appetite, is weighing on bonds, as stated by Lynn Song. Dwindling expectations for further monetary easing in the short term have soured investor sentiment in the Chinese bond market.

In summary, the sell-off in China's bond market is driven by geopolitical uncertainty, structural deflation/low demand, lack of broad aggressive stimulus, and investor concerns over credit risks in weaker sectors. The impact of growth momentum is limiting strong positive signals for the bond market, contributing to yield volatility and cautious market sentiment. Despite short-term volatility, China government bonds offer diversification benefits during global market fluctuations but require caution in lower-quality credits. The Chinese bond market's movements may ultimately depend on China's growth momentum.

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