1.今天你阅读到的有价值的全文内容链接
Volatility Trading (期权波动率交易).
https://bbs.pinggu.org/thread-3389027-1-1.html
2.今天你阅读到的有价值的内容段落摘录
(1) In this case will not not be maximizing expected wealth but we will be maximizing typical wealth. This distinction is important. The average value would be a heavily distorted by the unlikely case where the trader wins every trade. By maximizing the logarithm of expected wealth we eliminate the possibility of bankruptcy.
(2) A more realistic situation: the outcome of a bet or trade is known to have a certain distribution. And assume each trade is independent and identically distributed.
(3) As we saw in our earlier simulations Kelly sizing is exceedingly volatile. To deal with these extreme drawdowns it is reasonably common for Kelly devotees to trade at a fraction of the Kelly ratio.
3.今天你阅读到的有价值信息的自我思考点评感想
本节讨论的是资金管理方面的问题。首先从一个小例子开始:面对同样的交易胜率(edge),一种资金管理思路是每次下注为总金额的5%,另一种下注为固定的金额。两者会形成
截然不同的资金曲线,由此说明资金管理的重要性不亚于策略本身的设计。Kelly 公式是为解决资金管理问题提供的系统化的思路。
4.昨日你阅读的时间量(小时计算,如0.5小时)
1小时
5.你参与活动至今的总时间量(小时计算,如20小时)
15小时