持仓限额

在设计其持仓限额时，要考虑他们的风险承受能力和市场操纵能力。

For institutional investors , considering their risk-bearing capacity and market operation ability is necessary .

其次，公募基金经理投资的灵活度较低，受制于持仓限额和资产配置等限制。

Second , public fund managers have less investment flexibility , being subject to restrictions such as position limits and on asset allocation .

同时美国人的法律制度改革中也包括了明年早些时候将在能源、金属和农产品的大宗商品交易中引入强制性持仓限额的规定。

And American regulatory reforms include the introduction of mandatory position limits on trading in energy , metals and agricultural commodities early next year .

现有股指期货交易中的风险防范制度主要有：保证金制度；价格限制相关制度；持仓限额制度和大户报告制度；强制平仓制度；结算联保制度和风险准备金制度；风险警示制度。

Currently , the stock index futures in the risk prevention system are : deposit system ; price limit related systems ; position limits system and large reporting system ; forced open system ; settlement system and the risk of UNPROFOR reserve system ; risk warning system .