每日油價價位網上邊度有得睇？

Please try this website.
It gives me oil price for my reference too.
Hope this helps.

http://futures.tradingcharts.com/chart/CO/C6

2006-11-22 09:53:20 補充：
Sometimes, the chart cannot be displayed properly.In that case, below the chart, you can find some option,click the [Weekly] if you want to the weekly price.If you want to see the daily price, click the [Daily] again,then choose [Display Grahic Chart].