作者：陵帝 来源：原创 发布日期：08-26
A | "指数增强"是近几年基金市场上非常热门的概念——在跟踪指数的基础上，通过量化手段争取跑赢指数。
B | 很多散户想知道：这种策略能不能自己做？先说结论：指数增强策略的原理不难理解，但要做出真正有效的指数增强策略，对数据、模型和资金的要求较高，普通散户可以尝试简化版本，但不建议直接复制机构级的复杂模型。 MIDDLETON, Idaho -- Authorities briefly ordered evacuations for most of the town of Middleton, Idaho, after a gas line exploded at nearby rural intersection late Thursday morning. Canyon County Sheriff's spokesperson Joe Decker said he did not yet know if any injuries were reported in connection with the explosion in southwestern Idaho. He said people within a 4-mile (6.4-kilometer) radius of the explosion — including the town of about 10,600 people — were ordered to evacuate while authorities evaluated the situation.The evacuation order was lifted a short time later after the sheriff's office confirmed the gas to the line had been shut off, and residents were directed to “shelter in place” instead. Shortly after the explosion, people reported hearing “rumbles” around the area, Decker said. Residents were alerted to the evacuation order by a reverse 911 call, he said.。指数增强策略的基本原理指数增强策略的目标是：在持有指数成分股的基础上，通过量化选股模型调整个股权重，争取获得超越指数的超额...。
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