Griffin, owner of the giant hedge fund Citadel Group, which is based in Chicago, proposed openpricing for commonly traded derivatives, by quoting their prices electronically.
Griffin提议公开通常交易的衍生产品的价格，通过电子交易系统报价。
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On November 1st the NYMEX opened an open-outcry pit in Dublin to handle Brent crude futures, the benchmark contract for pricing two-thirds of the world's oil.