The attraction of moving into futures, options and swaps is that derivatives markets tend to command higher valuations than those that trade only shares.

向期货、期权和互换转换的吸引力在于，相对于普通的股票交易，衍生品市场越来越赢得更高的估值。

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Fisheries differ from banking, though, in that the markets for fish are unsophisticated, lacking both futures and options.

虽然如此，渔业是不同于银行业的。因为鱼类市场是不复杂的，没有期货和期权。

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Indeed, it is possible to find entirely respectable economists (Robert Shiller for example) arguing that it was the lack of options and futures markets in housing that failed to prick the US housing bubble before it blew.

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Stocks trade on dozens of exchanges, automatic trading systems, dark pools and crossing networks these days, and trading in futures and options markets affects trading in the cash markets.

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The futures and options markets for rice are, compared to wheat and maize, woefully undeveloped.

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