| 摘要 |
A computerized trading system (Fig. 1) includes a price information cache including a pluraality of price information items originating from more than one transaction queries posed by more than one trader from among a populatio n of traders, each of the price information items having a cached life cycle (Fig. 9), and a trading query processor operative to receive trading queries from the population of traders and to employ the price information cache in responding thereto.
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