Chinese Stock Market — Full Meltdown Approaching?

/Chinese Stock Market — Full Meltdown Approaching?

Chinese Stock Market — Full Meltdown Approaching?

By | 2017-08-18T17:08:10+00:00 June 26th, 2015|$SPY, Macroeconomics Research|2 Comments

Last night, China’s principal benchmark, the Shanghai Composite index, collapsed 7.4%. Ouch! Now that’s what we call a drawdown!

Hundreds of stocks hit their daily 10% drawdown limit (where selling is not allowed below the limit price for the rest of the day). Chinese market news is exploding across the internet and we’re seeing panicky keywords like “freakout,” “nosedive,” etc.

So how bad was it?

In order to evaluate this question, we ran a quick analysis based on the historical daily returns for the Shanghai Composite index. Between 12/20/1990 and 06/26/2015, the historical probability of losing more than 7% on a day is 0.72%! So was it pretty bad? Yes it certainly was, at least compared to fairly recent history.

2015-06-26 13_20_11-Microsoft Excel - shangai vs sp500 daily.xlsx

The results are hypothetical results and are NOT an indicator of future results and do NOT represent returns that any investor actually attained. Indexes are unmanaged, do not reflect management or trading fees, and one cannot invest directly in an index. Additional information regarding the construction of these results is available upon request.

Next we looked at the S&P 500 daily return between 07/03/1962 to 06/26/2015. Note that this sample covers a significantly longer time frame. What if we saw a similar drawdown for the S&P 500? The historical probability of losing more than 7% in a day for the S&P 500 over this period is only 0.04%! A very rare event indeed.

2015-06-26 13_19_24-Microsoft Excel - dsi.xlsx

The results are hypothetical results and are NOT an indicator of future results and do NOT represent returns that any investor actually attained. Indexes are unmanaged, do not reflect management or trading fees, and one cannot invest directly in an index. Additional information regarding the construction of these results is available upon request.

Clearly, the carnage we observed yesterday in the Chinese markets would have even fewer precedents when viewed through the lens of US markets.

So this is a rare event by almost any standard, yet we are seeing this outcome in China today. So how concerned should we be?

One of the reasons that the market blow up we are seeing in China is so terrifying, is that 1) the market has already surged a lot (the Shanghai Composite had surged ~40% year to date, prior to last night’s pullback), and 2) a key driver behind the rally was the use of leverage. As the Shanghai rallied earlier this year, many individual investors had increasingly used leverage to finance additional purchases of securities.

So what can a 7.4% daily drawdown do to a leveraged portfolio? Assuming you have $1 million, and you use 6X leverage (which is in line with some leverage ratios we are seeing for Chinese individuals), your gross market exposure is $6 million. When you hit a 7.4% drawdown, you will lose $444K — basically half of your initial $1 million capital is gone. Poof! According to some reports, there are investors with upwards of 10X leverage. For those investors, that story will certainly not have a happy ending.

 


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About the Author:

Yang Xu
Mr. Xu is currently a managing member of Alpha Architect, where he leads the capital markets group and assists in quantitative research. Mr. Xu has unique skills related to "big data" analysis. His recent research investigates various proprietary trading algorithms, tactical asset allocation models, and longer-term security selection models. Prior to joining Alpha Architect, Mr. Xu was a Principal Data Analyst at Capital One, where he was a member of the Basel II data analysis team. Mr. Xu graduated from Drexel University with a M.S. in Finance, and from the University of International Business and Economics in Beijing, China, where he earned a BA in Economics.

2 Comments

  1. Mark June 27, 2015 at 7:43 pm

    Thanks for the post!! But is this the research that AA has in the Chinese market? Would you like to do some deep-dive/number crunching in this market in future?

    • Yang Xu
      Yang Xu June 28, 2015 at 11:34 pm

      thanks. We will definitely… if we can get more clean data in the future and more bandwidth 🙁

Comments are closed.