蜡烛图函数 candle(High, Low, Close, Open)
High最高价，Low最低价 CLose收盘价  Open开盘价

Financial Data Charts
你可看在matlab的help查询下列函数使用方法

bolling        Bollinger band chart
candle        Candlestick chart
highlow        High, low, open, close chart
highlow (fts)        Time series High-Low plot
kagi        Kagi chart
movavg        Leading and lagging moving averages chart
priceandvol        Price and volume chart
renko        Renko chart
volarea        Price and volume chart