Wild ride: China markets by the numbers

An investor observes stock market at a stock exchange hall in Nanjing, Jiangsu Province of China.
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A stormy equity rout, landmark currency depreciation, unprecedented state intervention, surprise interest rate cuts and circuit breakers: It's been a year to remember for Chinese financial markets.

For investors who couldn't bear to look, here are the giant slides endured and huge gains made on the wild ride that was investing in China this year.

Largest volume: 85,713,281,024 shares changed hands on the benchmark Shanghai Composite on April 20, at the height of China's equities fever.

Point peak: A series of interest rate cuts and voracious buying from retail investors sent the index to a seven-year high of 5,178 points on June 12.

Biggest drop: The index slumped 8.5 percent on August 24, its biggest one-day percentage loss since 2007, ripping through the 3,500 key support level and wiping out all gains for the year as investors panicked about the Chinese economy.

Lowest level: The Shanghai Composite hit 2,850 points—its lowest level of the year—on August 26, marking a 45 percent loss over roughly three months.

Largest volume increase: The benchmark registered its biggest one-day jump in volumes on September 14, with a 54.4 percent increase in the number of stocks changing hands, as Beijing's intervention program kicked in.

Big cost: The government's market-boosting measures cost the country more than $200 billion, according to Goldman Sachs' estimates.

Stock stars: Real estate firm Kunwu Jiuding Investment was the best performing stock of the year, up a whopping 726 percent, followed by a 637 percent gain for Chongqing Zaisheng Technology, a maker of microfiber glass wool products. Advertising agency Inly Media ranked third with a 583 percent increase in its share price.

Biggest lemons: Coal producer Inner Mongolia Yitai was the worst performer, down 43 percent. Citic Securities, China's largest brokerage, and fastening product-maker Gem-Year Industrial declined 42 percent for equal second.

Biggest winners: Despite a multi-month crash that wiped trillions off their values, the Shanghai Composite and the Shenzhen Composite still rank among Asia's best three performing markets this year, clocking up gains of 9.4 and 63.2 percent, respectively.