China Stock Market Crash 2015: The Leveraged Bull

Key Takeaways

• A margin-driven bull ran the Shanghai Composite up over 150% in a year, then lost more than 40%.
• Leverage, including grey-market shadow lending, forced selling once prices fell and accounts hit limits.
• China's "national team" spent an estimated $200 billion-plus buying shares to stop the rout.
• A January 2016 circuit breaker backfired and was scrapped after four trading days.

Background

For most of 2014 and into 2015, China's stock markets looked like the trade of a generation. The Shanghai Composite Index grew by more than 150% between June 2014 and June 2015, according to a European Parliament policy analysis. State media encouraged the boom, with official outlets describing the rising market as a sign of economic strength, the U.S.-China Economic and Security Review Commission later noted.

The rally was driven by ordinary people, not institutions. Individuals held more than 99% of the investor accounts at the Shanghai Stock Exchange, and China had roughly 140 million individual stock investors, per Caixin Global. Many were new to the market, opening accounts to chase the rise after years of weak property and deposit returns.

What made the run dangerous was how it was financed. Investors were buying with borrowed money on a scale China had never seen. Margin financing registered with brokers swelled to a peak of about 2.27 trillion yuan, roughly $370 billion, by June 18, 2015, a 123% jump since the start of the year, according to figures reported by Reuters and Macquarie Research. Beyond that official margin sat a grey market of shadow lending, including "umbrella trusts" and online platforms that lent to investors at far higher leverage and outside the regulator's reach.

The market was also opening up. The Hong Kong-Shanghai Stock Connect program launched in November 2014, making it easier for foreigners to buy mainland shares, and financial controls were relaxed further in April 2015, the European Parliament noted. Even so, the mainland market stayed largely domestic: foreign investors controlled only about 1.5% of shares.

What Happened

The turn came in mid-June 2015 and unfolded in three waves over the following seven months. The Shanghai Composite reached its peak near 5,166 on June 12, 2015, then rolled over.

• June 12, 2015: The Shanghai Composite tops out near 5,166, a multi-year high, after a year of gains exceeding 150%. (European Parliament)
• Mid-June to early July 2015: The first wave hits. Between June 12 and July 7, the Shanghai index fell 32% and Shenzhen fell 40%, per the Congressional Research Service.
• July 4-8, 2015: Authorities suspend new initial public offerings and brokers set up a stabilization fund; by July 8 around 1,300 to 1,430 listed firms, close to half the market, had halted trading, freezing roughly $1.4 trillion of shares, per contemporaneous Bloomberg and CNN reporting.
• August 11, 2015: The People's Bank of China changes how it sets the yuan's reference rate, triggering an immediate currency depreciation that markets read as a sign of economic weakness. (European Parliament)
• August 24, 2015 ("Black Monday"): The Shanghai Composite drops 8.5%, its worst day in about eight years, and the shock goes global. (Fortune)
• December 30, 2015: The index ends the year near 3,572, far below its June peak. (House of Lords Library, contemporaneous data)
• January 4 and January 7, 2016: A new circuit breaker triggers full-day trading halts on both days; on January 7, trading stops less than 15 minutes after the open. (U.S.-China Economic and Security Review Commission)
• January 7, 2016: Regulators suspend the circuit breaker, four days after launching it. (USCC)

The summer drop was severe by any measure. From the June 12 peak, the index lost more than 40% of its value within weeks, the European Parliament reported, and across the full June-to-August window the Shanghai market fell 43% while Shenzhen fell 44%, per the CRS. The smaller, tech-heavy Shenzhen exchange gave back all of its 2015 gains.

The August leg spilled across borders. After the August 11 currency move and a run of weak economic data, the August 24 sell-off sent the Shanghai Composite down 8.5%. In the United States, the Dow Jones Industrial Average opened down more than 1,000 points, about 5%, reaching a session low of 1,089 points lower, while the Nasdaq fell over 8% and the S&P 500 dropped about 5% at the lows, according to Fortune. Markets in Tokyo, London, Paris, and Frankfurt all closed down more than 4%.

Why It Happened

Strip away the headlines and the China stock market crash 2015 was a leverage story. Borrowed money amplified the climb and then turned the descent into a chain reaction of forced selling.

Start with how margin works. When you buy stock with borrowed funds, the broker requires you to keep enough equity in the account. If prices fall and your equity drops below the maintenance threshold, you face a margin call: post more cash or have your positions sold automatically. In a rising market, that mechanism is invisible. In a falling one, it forces every leveraged holder to sell at the same time, which pushes prices down further and triggers the next round of calls.

That feedback loop was the engine of the crash. NBER-published research using account-level data found that margin investors "sold heavily when their accounts approached maximum leverage limits," and that the link between high leverage and selling was strongest on the days when prices were already falling. Selling begot selling.

The grey market made it worse. Brokerage margin accounts were capped by a market-wide maximum leverage level, known in the research as the Pingcang Line. Shadow-financed accounts, the umbrella trusts and online lenders, were not subject to the same strict rules and could run far higher leverage. When the China Securities Regulatory Commission moved to rein in shadow-financed margin lending, those highly leveraged positions had to be unwound fast. The NBER summary describes the crash as "precipitated by China Securities Regulatory Commission regulations pertaining to shadow-financed margin accounts." Tightening the rules was the spark; the leverage was the fuel.

A few structural features turned a correction into a panic. The investor base was overwhelmingly retail and new to the market, so sentiment swung hard. Valuations had been stretched far above fundamentals after a 150% run, so there was a long way to fall. And the same borrowed money that had let small investors buy more than they could afford on the way up forced them to sell more than they wanted on the way down. The currency move on August 11 then added a fresh worry, that China's economy was weaker than reported, which is what carried the panic into global markets.

By the Numbers

• Bull run: Shanghai Composite up more than 150% between June 2014 and June 2015. (European Parliament)
• Peak: Shanghai Composite topped near 5,166 on June 12, 2015. (European Parliament)
• Margin debt: brokerage margin financing peaked around 2.27 trillion yuan (about $370 billion) on June 18, 2015, up 123% year to date. (Reuters; Macquarie Research)
• Summer decline: index down more than 40% from the June peak within weeks; Shanghai down 43% and Shenzhen down 44% June to August 2015. (European Parliament; Congressional Research Service)
• First wave: Shanghai fell 32% and Shenzhen fell 40% between June 12 and July 7, 2015. (CRS)
• Trading halts: roughly 1,300 to 1,430 firms, near half the market, suspended trading by July 8, 2015, freezing about $1.4 trillion of shares. (Bloomberg; CNN)
• Black Monday: Shanghai Composite down 8.5% on August 24, 2015; the Dow opened down more than 1,000 points and bottomed 1,089 points lower intraday. (Fortune)
• State rescue: the "national team" held shares worth about 4.3% of total market value by the end of Q3 2015; total intervention spending was estimated at more than $200 billion. (Stanford FSI; Goldman Sachs estimate via contemporaneous reporting)
• January 2016: the combined January 4 and January 7 rout erased more than $1 trillion of value before the circuit breaker was scrapped. (USCC)
• Reserves: China's foreign-exchange reserves fell a record $512.7 billion in 2015, much of it defending the yuan. (USCC, citing Reuters)

Aftermath

Beijing's response was as dramatic as the crash. The government ordered brokers to buy shares, banned major shareholders (those holding 5% or more of a company) from selling for six months, suspended new IPOs, and relaxed rules so insurers could buy more stock, the European Parliament documented. The central bank pledged to lend about 260 billion yuan, roughly 36 billion euros, to brokerage firms through the China Securities Finance Corporation so they would not run out of cash.

The centerpiece was direct buying by a "national team" of state-backed institutions, led by China Securities Finance Corporation and China Central Huijin Investment, which lent money to 21 brokerages and started purchasing more than 1,000 stocks from July 6, 2015, per Caixin Global. The scale was enormous. By the end of the third quarter of 2015, the national team held shares worth about 4.3% of the total market value of all listed companies, according to Stanford's Freeman Spogli Institute, and Goldman Sachs estimated the total support effort at roughly 1.5 trillion yuan, about $236 billion, by early September.

The intervention stopped the fall but created lasting problems. It entrenched the expectation that the state would always step in, a form of moral hazard, and it sat awkwardly with Beijing's 2013 pledge to let the market play a "decisive" role in the economy. Defending the yuan was costly too: China's foreign-exchange reserves fell a record $512.7 billion over 2015, the U.S.-China Commission reported.

The final act was self-inflicted. To prevent another 2015-style plunge, regulators launched a circuit breaker on January 1, 2016: a 5% move in the CSI 300 index paused trading for 15 minutes, and a 7% move halted it for the day. It triggered full-day halts on January 4 and again on January 7, when trading stopped less than 15 minutes after the open. Rather than calm investors, it appeared to create a "magnet effect," with traders rushing to sell before the halt locked them in. The CSRC suspended the mechanism on January 7, four days after it began. The January rout still erased more than $1 trillion of value and rippled out, with the Dow falling nearly 2.3% and the S&P 500 dropping 2.4% on January 7, per the USCC.

Lessons for Investors

1. Leverage is the accelerant in almost every crash. Borrowed money let Chinese retail investors buy more than they could afford, which is why the index could climb 150% and then fall more than 40%. When accounts hit their limits, selling was forced rather than chosen, as the NBER account-level data showed. The more borrowed money sits behind a rally, the faster the unwind when prices turn.

2. Watch where the hidden leverage lives. The most dangerous money was not the regulated brokerage margin but the grey-market umbrella trusts and online lenders running far higher leverage outside the rules. Risk concentrates where oversight is thinnest, so the official figures often understate how stretched a market really is.

3. A market that goes parabolic is pricing momentum, not value. A 150% gain in a year, led by new retail investors and cheered by state media, was a sentiment move detached from earnings. Rallies that depend on new buyers chasing recent gains tend to reverse hard once the flow of fresh money slows.

4. Government support has limits and side effects. The national team spent an estimated $200 billion-plus and still could not prevent later declines, while creating moral hazard and tying up liquidity. A backstop can slow a fall, but it does not repair the valuations or the leverage that caused it, and the cost lands on someone.

5. Crashes do not respect borders. The August 24 Black Monday started in Shanghai and within hours hit New York, Tokyo, and Frankfurt, even though foreigners owned only about 1.5% of mainland shares. In a connected market, a shock and the fear it spreads travel through sentiment and currency moves, not just through direct ownership.

Frequently Asked Questions

What was the China stock market crash 2015 in simple terms? The China stock market crash 2015 was a sharp fall in Chinese share prices after a borrowing-fueled boom. The Shanghai Composite had more than doubled in a year, then lost over 40% of its value across the summer of 2015.

Why did the China stock market crash in 2015? The boom was built on margin, or borrowed money, including high-leverage grey-market loans. When regulators tightened the rules on that shadow lending and prices started to fall, leveraged investors were forced to sell, which drove prices down further in a self-reinforcing spiral.

How much money was lost in the 2015 China crash? The market lost more than 40% of its value from the June 2015 peak, wiping out roughly an estimated 5 trillion euros of Chinese investor wealth, per a European Parliament analysis. The January 2016 follow-on rout erased more than $1 trillion in two trading days.

Could the 2015 China crash happen again today? The specific shadow-margin loophole was tightened afterward, and the failed 2016 circuit breaker was scrapped. But the underlying pattern, a retail-heavy market lifted by borrowed money and prone to forced selling, recurs whenever leverage builds faster than oversight.

What is the main lesson from the 2015 China crash? Leverage turns a healthy market into a fragile one, because borrowed money forces selling at exactly the wrong time. The hardest falls come from rallies built on debt that few people can see clearly.

Sources

1. European Parliament, DG EXPO Policy Department. Exceptional measures: The Shanghai stock market crash and the future of the Chinese economy. September 2015. https://www.europarl.europa.eu/RegData/etudes/IDAN/2015/549067/EXPO_IDA(2015)549067_EN.pdf
2. U.S.-China Economic and Security Review Commission. China's Stock Market Meltdown Shakes the World, Again. January 14, 2016. https://www.uscc.gov/sites/default/files/Research/Issue%20brief%20-%20China's%20Stocks%20Fall%20Again.pdf
3. Congressional Research Service. The Chinese Government's Response to the 2015-16 Stock Market Turbulence (IN10325). August 2, 2016. https://www.everycrsreport.com/files/20160802_IN10325_7f54cd4e4d1b7310ee5253c07bbee0c4298186c8.html
4. National Bureau of Economic Research. Leverage, Fire Sales, and the 2015 Chinese Stock Market Crash (Digest). November 2018. https://www.nber.org/digest/nov18/leverage-fire-sales-and-2015-chinese-stock-market-crash
5. Bank for International Settlements. Quarterly Review: Capital flowed out of China through BIS reporting banks in Q1 2015. September 2015. https://www.bis.org/publ/qtrpdf/r_qt1509u.htm
6. Stanford Freeman Spogli Institute (China Briefs). What Are the Costs and Benefits of China's Domestic Stock Market Interventions? https://sccei.fsi.stanford.edu/china-briefs/what-are-costs-and-benefits-chinas-domestic-stock-market-interventions-0
7. Caixin Global. How a Stock Market Crash Created China's 'National Team'. October 19, 2018. https://www.caixinglobal.com/2018-10-19/caixin-explains-how-a-stock-market-crash-created-chinas-national-team-101337087.html
8. Fortune. Dow plunges 1,000 points as global markets sink. August 24, 2015. https://fortune.com/2015/08/24/dow-plunges-1000-points-stocks-markets/

Disclaimer

This article is educational content only and is not financial advice. Nothing here is a recommendation to buy, sell, or hold any security. Consult a licensed advisor before making investment decisions.