21Vianet Group, Inc. (VNET)

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The chart shows the growth of an initial investment of $10,000 in 21Vianet Group, Inc., comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.

21Vianet Group, Inc. (VNET) has returned -0.83% so far this year and 2.32% over the past 12 months. Over the last ten years, VNET has returned -8.25% per year, falling short of the S&P 500 Index benchmark, which averaged 12.16% annually.

Based on dividend-adjusted daily data since Apr 21, 2011, VNET's average daily return is +0.08%, while the average monthly return is +1.05%. At this rate, your investment would double in approximately 5.5 years.

Historically, 50% of months were positive and 50% were negative. The best month was Feb 2025 with a return of +68.3%, while the worst month was Jan 2024 at -40.8%. The longest winning streak lasted 6 consecutive months, and the longest losing streak was 6 months.

On a daily basis, VNET closed higher 46% of trading days. The best single day was Mar 16, 2022 with a return of +83.3%, while the worst single day was Nov 16, 2023 at -26.3%.

21Vianet Group, Inc. has an annualized alpha of 6.52%, beta of 1.23, and R² of 0.08 versus S&P 500 Index. Calculated based on daily prices since April 25, 2011.

• This stock participated in 98.46% of S&P 500 Index downside but only 30.62% of its upside — more exposed to losses than it benefited from rallies.
• R² of 0.08 means this stock moves largely independently of S&P 500 Index — capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.

VNET ranks 43 for risk / return — on par with similar stocks. You're getting a typical balance of risk and reward. Not a standout, but not a red flag either — a reasonable choice if other factors align with your goals.

The table below present risk-adjusted performance metrics for 21Vianet Group, Inc. (VNET) and compare them to a chosen benchmark (S&P 500 Index).

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.

The table below displays the maximum drawdowns of the 21Vianet Group, Inc.. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the 21Vianet Group, Inc. was 96.67%, occurring on Feb 5, 2024. The portfolio has not yet recovered.

The current 21Vianet Group, Inc. drawdown is 80.31%.

The chart below shows the rolling one-month volatility.

The chart below illustrates the trends in the financial health of 21Vianet Group, Inc. over time, highlighting three key metrics: Total Revenue, Earnings Before Interest and Taxes (EBIT), and Net Income.

The Valuation section provides an overview of how 21Vianet Group, Inc. is priced in the market compared to other companies in the Information Technology Services industry. It includes key financial ratios that help investors assess whether the stock is undervalued or overvalued.