The iPath Series B S&P 500 VIX Mid-Term Futures ETNs (the "ETNs") are designed to provide exposure to the S&P 500 VIX Mid-Term Futures Index Total Return (the "Index"). The ETNs are riskier than ordinary unsecured debt securities and have no principal protection. The ETNs are unsecured debt obligations of the issuer, Barclays Bank PLC, and are not, either directly or indirectly, an obligation of or guaranteed by any third party. Any payment to be made on the ETNs, including any payment at maturity or upon redemption, depends on the ability of Barclays Bank PLC to satisfy its obligations as they come due. An investment in the ETNs involves significant risks, including possible loss of principal and may not be suitable for all investors.

The Index is designed to provide access to equity market volatility through CBOE Volatility Index (the "VIX Index") futures. The Index offers exposure to a daily rolling long position in the fourth, fifth, sixth and seventh month VIX futures contracts and reflects market participants’ views of the future direction of the VIX index at the time of expiration of the VIX futures contracts comprising the Index. Owning the ETNs is not the same as owning interests in the index components included in the Index or a security directly linked to the performance of the Index.

'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 iPath Series B S&P 500 VIX Mid-Term Futures ETN is 17.7%, which is lower, thus worse compared to the benchmark SPY (68.1%) in the same period.
- Compared with SPY (47%) in the period of the last 3 years, the total return, or increase in value of -34.4% is lower, thus worse.

'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 3.3% in the last 5 years of iPath Series B S&P 500 VIX Mid-Term Futures ETN, we see it is relatively lower, thus worse in comparison to the benchmark SPY (11%)
- Looking at annual performance (CAGR) in of -13.1% in the period of the last 3 years, we see it is relatively smaller, thus worse in comparison to SPY (13.7%).

'Volatility is a statistical measure of the dispersion of returns for a given security or market index. Volatility can either be measured by using the standard deviation or variance between returns from that same security or market index. Commonly, the higher the volatility, the riskier the security. In the securities markets, volatility is often associated with big swings in either direction. For example, when the stock market rises and falls more than one percent over a sustained period of time, it is called a 'volatile' market.'

Using this definition on our asset we see for example:- The historical 30 days volatility over 5 years of iPath Series B S&P 500 VIX Mid-Term Futures ETN is 35.5%, which is greater, thus worse compared to the benchmark SPY (21.4%) in the same period.
- Looking at 30 days standard deviation in of 30.3% 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.'

Using this definition on our asset we see for example:- Compared with the benchmark SPY (15.4%) in the period of the last 5 years, the downside volatility of 20.9% of iPath Series B S&P 500 VIX Mid-Term Futures ETN is larger, thus worse.
- Looking at downside risk in of 19.4% in the period of the last 3 years, we see it is relatively greater, thus worse in comparison to SPY (13.3%).

'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.'

Which means for our asset as example:- The ratio of return and volatility (Sharpe) over 5 years of iPath Series B S&P 500 VIX Mid-Term Futures ETN is 0.02, which is lower, thus worse compared to the benchmark SPY (0.4) in the same period.
- During the last 3 years, the ratio of return and volatility (Sharpe) is -0.51, which is smaller, thus worse than the value of 0.6 from the benchmark.

'The Sortino ratio improves upon the Sharpe ratio by isolating downside volatility from total volatility by dividing excess return by the downside deviation. The Sortino ratio is a variation of the Sharpe ratio that differentiates harmful volatility from total overall volatility by using the asset's standard deviation of negative asset returns, called downside deviation. The Sortino ratio takes the asset's return and subtracts the risk-free rate, and then divides that amount by the asset's downside deviation. The ratio was named after Frank A. Sortino.'

Which means for our asset as example:- The downside risk / excess return profile over 5 years of iPath Series B S&P 500 VIX Mid-Term Futures ETN is 0.04, which is lower, thus worse compared to the benchmark SPY (0.55) in the same period.
- Looking at excess return divided by the downside deviation in of -0.8 in the period of the last 3 years, we see it is relatively lower, thus worse in comparison to SPY (0.84).

'The ulcer index is a stock market risk measure or technical analysis indicator devised by Peter Martin in 1987, and published by him and Byron McCann in their 1989 book The Investors Guide to Fidelity Funds. It's designed as a measure of volatility, but only volatility in the downward direction, i.e. the amount of drawdown or retracement occurring over a period. Other volatility measures like standard deviation treat up and down movement equally, but a trader doesn't mind upward movement, it's the downside that causes stress and stomach ulcers that the index's name suggests.'

Using this definition on our asset we see for example:- The Ulcer Ratio over 5 years of iPath Series B S&P 500 VIX Mid-Term Futures ETN is 24 , which is larger, thus worse compared to the benchmark SPY (9.45 ) in the same period.
- Compared with SPY (10 ) in the period of the last 3 years, the Downside risk index of 24 is greater, 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:- Compared with the benchmark SPY (-33.7 days) in the period of the last 5 years, the maximum drop from peak to valley of -45.3 days of iPath Series B S&P 500 VIX Mid-Term Futures ETN is smaller, thus worse.
- Looking at maximum DrawDown in of -41.5 days in the period of the last 3 years, we see it is relatively smaller, thus worse in comparison to SPY (-24.5 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:- Looking at the maximum time in days below previous high water mark of 804 days in the last 5 years of iPath Series B S&P 500 VIX Mid-Term Futures ETN, we see it is relatively higher, thus worse in comparison to the benchmark SPY (351 days)
- During the last 3 years, the maximum days under water is 734 days, which is greater, thus worse than the value of 351 days from the benchmark.

'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:- The average time in days below previous high water mark over 5 years of iPath Series B S&P 500 VIX Mid-Term Futures ETN is 301 days, which is greater, thus worse compared to the benchmark SPY (78 days) in the same period.
- Looking at average days below previous high in of 358 days in the period of the last 3 years, we see it is relatively larger, thus worse in comparison to SPY (101 days).

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 iPath Series B S&P 500 VIX Mid-Term Futures ETN 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.