Mandelbrot, who did the experiment with stock exchanges prices, for example, noted that although the outcomes were variable, there were, in fact, certain constancy.
例如，做过股票交易所价格实验的曼德尔布洛特指出，尽管结果是可变的，但实际上存在一定的一致性。
2
A futures market has a prediction going out years into the future of what every financial variable will be doing, so you can see the future in a sense through the futures prices.
期货市场会预测未来几年美国市场变量会是什么样的，因此某种意义上说，你可以从期货价格上看到未来。
3
But there are two worrying exceptions. In Ireland and Spain home prices are the most overvalued in the zone; worse, the bulk of mortgages are at variable rates.