Delivery containers and gantry cranes past a fishing boat close to the Yangshan Deepwater Port in Shanghai, China, on Wednesday, Dec. 6, 2023.
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China’s inventory market rally is drawing nearer regulatory scrutiny after buying and selling exercise surged to unprecedented ranges, prompting officers to maneuver to curb leverage whilst many traders argue the bull run continues to be in its early levels.
Each day turnover throughout the Shanghai, Shenzhen and Beijing inventory exchanges climbed to successive document highs Monday by means of Wednesday final week, based on Wind Info, a monetary information service centered on China. Buying and selling quantity peaked at 3.99 trillion yuan ($556 billion) on Wednesday, surpassing the earlier document of three.48 trillion yuan set in October 2024.
Earlier this 12 months, the benchmark CSI 300 hit a four-year excessive. This comes after the index posted its greatest yearly acquire since 2020.
The surge has revived reminiscences of previous market excesses, significantly the boom-and-bust cycle of 2015, market veterans instructed CNBC.
China’s regulators have responded by tightening margin financing guidelines, together with elevating collateral necessities on new margin trades.
Beneath the up to date guidelines, which took impact on Monday, the margin requirement for credit score purchases was lifted to 100% from 80% throughout the three bourses. Which means that traders should now pay the complete price of shares upfront, whereas preserving the trades underneath current margin financing guidelines, successfully eliminating borrowing on new margin trades.
The regulatory tightening suggests an “overheating” of exercise and sentiment in onshore markets, mentioned Morgan Stanley, referring to shares traded in mainland China, or A-shares, in yuan and by home and authorised international traders.
The funding financial institution’s weighted A-share Market Sentiment Exercise Index surged to 91% in latest days, the primary studying above the 90% threshold since September 2024, pushed largely by the spike in buying and selling volumes.
Not too long ago, the buying and selling quantity within the mainland has been exploding to an all-time excessive. Margin financing has reached a excessive stage as properly.
Hao Hong
Develop Funding Group
“Regulatory tightening occurred as our sentiment indicator surged to an overheated stage with document excessive turnover,” Morgan Stanley analysts mentioned in a word.
Nonetheless, they count on added liquidity assist for each A-shares and Hong Kong equities to persist by means of the primary quarter.
Overseas traders have stepped up their exercise, with internet inflows exceeding $50 billion in latest months, a pointy enhance from earlier years, based on information offered by Skybound Capital.
Nonetheless, international participation stays small relative to the general measurement and turnover of the A-share market. Home traders proceed to drive the rally, mentioned Theodore Shou, chief funding officer at Skybound Capital.
Retail traders account for about 90% of each day turnover in China’s onshore inventory markets, based on information from HSBC. That contrasts sharply with main abroad markets, the place establishments dominate buying and selling and retail traders make up solely round 20% to 25% of volumes on the New York Inventory Alternate.
Engineering a slower bull?
The dominance of onshore capital has formed regulators’ method to leverage.
In China’s fairness market, leverage primarily comes from margin financing, wherein traders borrow from brokers to purchase shares, amplifying each features and losses. When leverage builds in such an setting, rallies can speed up shortly however are additionally extra susceptible to abrupt reversals if sentiment shifts.
“Not too long ago, the buying and selling quantity within the mainland has been exploding to an all-time excessive. Margin financing has reached a excessive stage as properly,” mentioned Hao Hong, chief economist at Develop Funding Group. “So the regulators have tried to tweak the leverage in order that they might engineer a ‘sluggish bull’.”
Different market veterans mentioned the most recent margin-financing changes seem like calibrated to mood speculative extra and promote this “sluggish bull” market, fairly than signaling concern about systemic threat.
“The state of affairs is healthier described as ‘structural overheating,’ concentrated in particular sectors reminiscent of AI-related and know-how shares, a lot of that are latest listings which have attracted intense speculative curiosity.”
Shou additionally pointed to the rising divergence throughout China’s exchanges as proof that enthusiasm stays selective. The ChiNext board has surged almost 50% over the previous six months, far outpacing the extra modest features within the Shanghai Composite Index.

