'The total return on a portfolio of investments takes into account not only the capital appreciation on the portfolio, but also the income received on the portfolio. The income typically consists of interest, dividends, and securities lending fees. This contrasts with the price return, which takes into account only the capital gain on an investment.'

Which means for our asset as example:- The total return, or increase in value over 5 years of VanEck Vectors Vietnam ETF is -21.7%, which is smaller, thus worse compared to the benchmark SPY (68.1%) in the same period.
- During the last 3 years, the total return, or increase in value is -10.3%, which is smaller, thus worse than the value of 47% from the benchmark.

'The compound annual growth rate isn't a true return rate, but rather a representational figure. It is essentially a number that describes the rate at which an investment would have grown if it had grown the same rate every year and the profits were reinvested at the end of each year. In reality, this sort of performance is unlikely. However, CAGR can be used to smooth returns so that they may be more easily understood when compared to alternative investments.'

Applying this definition to our asset in some examples:- Compared with the benchmark SPY (11%) in the period of the last 5 years, the annual return (CAGR) of -4.8% of VanEck Vectors Vietnam ETF is smaller, thus worse.
- Compared with SPY (13.7%) in the period of the last 3 years, the annual return (CAGR) of -3.5% is lower, thus worse.

'In finance, volatility (symbol σ) is the degree of variation of a trading price series over time as measured by the standard deviation of logarithmic returns. Historic volatility measures a time series of past market prices. Implied volatility looks forward in time, being derived from the market price of a market-traded derivative (in particular, an option). Commonly, the higher the volatility, the riskier the security.'

Using this definition on our asset we see for example:- Compared with the benchmark SPY (21.4%) in the period of the last 5 years, the volatility of 23.5% of VanEck Vectors Vietnam ETF is larger, thus worse.
- Looking at 30 days standard deviation in of 21.5% in the period of the last 3 years, we see it is relatively larger, thus worse in comparison to SPY (18.7%).

'The downside volatility is similar to the volatility, or standard deviation, but only takes losing/negative periods into account.'

Applying this definition to our asset in some examples:- Compared with the benchmark SPY (15.4%) in the period of the last 5 years, the downside risk of 17.4% of VanEck Vectors Vietnam ETF is greater, thus worse.
- Compared with SPY (13.3%) in the period of the last 3 years, the downside risk of 15.9% is higher, thus worse.

'The Sharpe ratio was developed by Nobel laureate William F. Sharpe, and is used to help investors understand the return of an investment compared to its risk. The ratio is the average return earned in excess of the risk-free rate per unit of volatility or total risk. Subtracting the risk-free rate from the mean return allows an investor to better isolate the profits associated with risk-taking activities. One intuition of this calculation is that a portfolio engaging in 'zero risk' investments, such as the purchase of U.S. Treasury bills (for which the expected return is the risk-free rate), has a Sharpe ratio of exactly zero. Generally, the greater the value of the Sharpe ratio, the more attractive the risk-adjusted return.'

Which means for our asset as example:- Compared with the benchmark SPY (0.4) in the period of the last 5 years, the Sharpe Ratio of -0.31 of VanEck Vectors Vietnam ETF is lower, thus worse.
- Looking at ratio of return and volatility (Sharpe) in of -0.28 in the period of the last 3 years, we see it is relatively lower, thus worse in comparison to SPY (0.6).

'The Sortino ratio, a variation of the Sharpe ratio only factors in the downside, or negative volatility, rather than the total volatility used in calculating the Sharpe ratio. The theory behind the Sortino variation is that upside volatility is a plus for the investment, and it, therefore, should not be included in the risk calculation. Therefore, the Sortino ratio takes upside volatility out of the equation and uses only the downside standard deviation in its calculation instead of the total standard deviation that is used in calculating the Sharpe ratio.'

Applying this definition to our asset in some examples:- Looking at the excess return divided by the downside deviation of -0.42 in the last 5 years of VanEck Vectors Vietnam ETF, we see it is relatively lower, thus worse in comparison to the benchmark SPY (0.55)
- During the last 3 years, the ratio of annual return and downside deviation is -0.38, which is smaller, thus worse than the value of 0.84 from the benchmark.

'The Ulcer Index is a technical indicator that measures downside risk, in terms of both the depth and duration of price declines. The index increases in value as the price moves farther away from a recent high and falls as the price rises to new highs. The indicator is usually calculated over a 14-day period, with the Ulcer Index showing the percentage drawdown a trader can expect from the high over that period. The greater the value of the Ulcer Index, the longer it takes for a stock to get back to the former high.'

Applying this definition to our asset in some examples:- Compared with the benchmark SPY (9.45 ) in the period of the last 5 years, the Ulcer Ratio of 21 of VanEck Vectors Vietnam ETF is greater, thus worse.
- Compared with SPY (10 ) in the period of the last 3 years, the Ulcer Index of 24 is larger, thus worse.

'Maximum drawdown is defined as the peak-to-trough decline of an investment during a specific period. It is usually quoted as a percentage of the peak value. The maximum drawdown can be calculated based on absolute returns, in order to identify strategies that suffer less during market downturns, such as low-volatility strategies. However, the maximum drawdown can also be calculated based on returns relative to a benchmark index, for identifying strategies that show steady outperformance over time.'

Applying this definition to our asset in some examples:- The maximum drop from peak to valley over 5 years of VanEck Vectors Vietnam ETF is -49.4 days, which is lower, thus worse compared to the benchmark SPY (-33.7 days) in the same period.
- Compared with SPY (-24.5 days) in the period of the last 3 years, the maximum DrawDown of -49.4 days is lower, thus worse.

'The Maximum Drawdown Duration is an extension of the Maximum Drawdown. However, this metric does not explain the drawdown in dollars or percentages, rather in days, weeks, or months. It is the length of time the account was in the Max Drawdown. A Max Drawdown measures a retrenchment from when an equity curve reaches a new high. It’s the maximum an account lost during that retrenchment. This method is applied because a valley can’t be measured until a new high occurs. Once the new high is reached, the percentage change from the old high to the bottom of the largest trough is recorded.'

Which means for our asset as example:- The maximum days under water over 5 years of VanEck Vectors Vietnam ETF is 645 days, which is higher, thus worse compared to the benchmark SPY (351 days) in the same period.
- Looking at maximum days below previous high in of 350 days in the period of the last 3 years, we see it is relatively lower, thus better in comparison to SPY (351 days).

'The Drawdown Duration is the length of any peak to peak period, or the time between new equity highs. The Avg Drawdown Duration is the average amount of time an investment has seen between peaks (equity highs), or in other terms the average of time under water of all drawdowns. So in contrast to the Maximum duration it does not measure only one drawdown event but calculates the average of all.'

Which means for our asset as example:- Looking at the average time in days below previous high water mark of 229 days in the last 5 years of VanEck Vectors Vietnam ETF, we see it is relatively greater, thus worse in comparison to the benchmark SPY (78 days)
- During the last 3 years, the average time in days below previous high water mark is 104 days, which is larger, thus worse than the value of 101 days from the benchmark.

Historical returns have been extended using synthetic data.
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- Note that yearly returns do not equal the sum of monthly returns due to compounding.
- Performance results of VanEck Vectors Vietnam ETF are hypothetical, do not account for slippage, fees or taxes, and are based on backtesting, which has many inherent limitations, some of which are described in our Terms of Use.