In fact, whatever the stock market, foreign exchange or share option trading, their trading skills are similar at this point.

其实，不论是股市、汇市、期权交易，其交易技巧在这一点上都是相似的。

youdao

This may be the best-known danger in derivatives dealing: everyone in the markets knows that if shares stop trading or the share prices become much more volatile than expected, an option's market value will differ from the model's valuation.

ECONOMIST: Blind faith