'Total return, when measuring performance, is the actual rate of return of an investment or a pool of investments over a given evaluation period. Total return includes interest, capital gains, dividends and distributions realized over a given period of time. Total return accounts for two categories of return: income including interest paid by fixed-income investments, distributions or dividends and capital appreciation, representing the change in the market price of an asset.'

Using this definition on our asset we see for example:- The total return over 5 years of PIMCO Enhanced Short Maturity ETF is 8.1%, which is lower, thus worse compared to the benchmark SPY (67.9%) in the same period.
- During the last 3 years, the total return, or increase in value is 6.5%, which is smaller, thus worse than the value of 46.6% 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.'

Which means for our asset as example:- Looking at the annual performance (CAGR) of 1.6% in the last 5 years of PIMCO Enhanced Short Maturity ETF, we see it is relatively smaller, thus worse in comparison to the benchmark SPY (10.9%)
- Compared with SPY (13.6%) in the period of the last 3 years, the annual return (CAGR) of 2.1% 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.'

Which means for our asset as example:- The 30 days standard deviation over 5 years of PIMCO Enhanced Short Maturity ETF is 0.4%, which is lower, thus better compared to the benchmark SPY (13.3%) in the same period.
- Compared with SPY (12.5%) in the period of the last 3 years, the historical 30 days volatility of 0.3% is smaller, thus better.

'Downside risk is the financial risk associated with losses. That is, it is the risk of the actual return being below the expected return, or the uncertainty about the magnitude of that difference. Risk measures typically quantify the downside risk, whereas the standard deviation (an example of a deviation risk measure) measures both the upside and downside risk. Specifically, downside risk in our definition is the semi-deviation, that is the standard deviation of all negative returns.'

Which means for our asset as example:- Compared with the benchmark SPY (14.6%) in the period of the last 5 years, the downside volatility of 0.6% of PIMCO Enhanced Short Maturity ETF is lower, thus better.
- Looking at downside deviation in of 0.5% in the period of the last 3 years, we see it is relatively lower, thus better in comparison to SPY (14.2%).

'The Sharpe ratio (also known as the Sharpe index, the Sharpe measure, and the reward-to-variability ratio) is a way to examine the performance of an investment by adjusting for its risk. The ratio measures the excess return (or risk premium) per unit of deviation in an investment asset or a trading strategy, typically referred to as risk, named after William F. Sharpe.'

Using this definition on our asset we see for example:- Looking at the risk / return profile (Sharpe) of -2.16 in the last 5 years of PIMCO Enhanced Short Maturity ETF, we see it is relatively lower, thus worse in comparison to the benchmark SPY (0.64)
- Compared with SPY (0.89) in the period of the last 3 years, the ratio of return and volatility (Sharpe) of -1.14 is smaller, thus worse.

'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.'

Which means for our asset as example:- Looking at the ratio of annual return and downside deviation of -1.64 in the last 5 years of PIMCO Enhanced Short Maturity ETF, we see it is relatively lower, thus worse in comparison to the benchmark SPY (0.58)
- Looking at excess return divided by the downside deviation in of -0.81 in the period of the last 3 years, we see it is relatively lower, thus worse in comparison to SPY (0.78).

'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.'

Using this definition on our asset we see for example:- Compared with the benchmark SPY (3.96 ) in the period of the last 5 years, the Ulcer Index of 0.05 of PIMCO Enhanced Short Maturity ETF is lower, thus worse.
- Compared with SPY (4.01 ) in the period of the last 3 years, the Ulcer Index of 0.02 is lower, thus worse.

'A maximum drawdown is the maximum loss from a peak to a trough of a portfolio, before a new peak is attained. Maximum Drawdown is an indicator of downside risk over a specified time period. It can be used both as a stand-alone measure or as an input into other metrics such as 'Return over Maximum Drawdown' and the Calmar Ratio. Maximum Drawdown is expressed in percentage terms.'

Applying this definition to our asset in some examples:- The maximum reduction from previous high over 5 years of PIMCO Enhanced Short Maturity ETF is -0.3 days, which is greater, thus better compared to the benchmark SPY (-19.3 days) in the same period.
- Looking at maximum DrawDown in of -0.1 days in the period of the last 3 years, we see it is relatively greater, thus better in comparison to SPY (-19.3 days).

'The Drawdown Duration is the length of any peak to peak period, or the time between new equity highs. The Max Drawdown Duration is the worst (the maximum/longest) amount of time an investment has seen between peaks (equity highs) in days.'

Applying this definition to our asset in some examples:- The maximum time in days below previous high water mark over 5 years of PIMCO Enhanced Short Maturity ETF is 85 days, which is lower, thus better compared to the benchmark SPY (187 days) in the same period.
- Looking at maximum time in days below previous high water mark in of 25 days in the period of the last 3 years, we see it is relatively lower, thus better in comparison to SPY (139 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.'

Applying this definition to our asset in some examples:- Looking at the average days below previous high of 13 days in the last 5 years of PIMCO Enhanced Short Maturity ETF, we see it is relatively smaller, thus better in comparison to the benchmark SPY (41 days)
- During the last 3 years, the average days below previous high is 4 days, which is smaller, thus better than the value of 36 days from the benchmark.

Historical returns have been extended using synthetic data.
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- "Year" returns in the table above are not equal to the sum of monthly returns due to compounding.
- Performance results of PIMCO Enhanced Short Maturity 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.