Gallery. 1  Hand-cranked planetary sharpener, with cover in place. 2  Hand-cranked planetary sharpener from 1950â60, with cover removed. 3  Hand-cranked planetary sharpener with spring-driven pencil holder. 4  AC-powered electric pencil sharpener. 5  Battery-operated sharpener.
Description. Tracking Error is a measure of how closely an ETF follows its benchmark index. This data point seeks to isolate the ability of the portfolio managers to track the index, ignoring the confounding effects of ETF liquidity on market prices.escription. Tracking Error is a measure of how closely an ETF follows its benchmark index. This data point seeks to isolate the ability of the portfolio managers to track the index, ignoring the confounding effects of ETF liquidity on market prices.
A short position allows you to sell an ETF you don't actually own in order to profit from downward price movement. Note that shorting a position does expose you to theoretically unlimited risk in the event of upward price movement. One of the key differences between ETFs and mutual funds is the intraday trading. Mutual funds settle on one price at the end of the trading day, known as the net asset value, or NAV.