The following types of market data are currently available:
* price: market price of the stock - delayed by up to 20 minutes.
* priceopen: the opening price of the stock for the current day.
* high: the highest price the stock traded for the current day.
* low: the lowest price the stock traded for the current day.
* volume: number of shares traded of this stock for the current day.
* marketcap: the market cap of the stock.
* tradetime: the last time the stock traded.
* datadelay: the delay in the data presented for this stock using the googleFinance() function.
* volumeavg: the average volume for this stock.
* pe: the Price-to-Earnings ratio for this stock.
* eps: the earnings-per-share for this stock.
* high52: the 52-week high for this stock.
* low52: the 52-week low for this stock.
* change: the change in the price of this stock since yesterday's market close.
* beta: the beta value of this stock.
* changepct: the percentage change in the price of this stock since yesterday's close.
* closeyest: yesterday's closing price of this stock.
* shares: the number of shares outstanding of this stock.
* currency: the currency in which this stock is traded.