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--- playground:playground [2019/03/21 11:38]
127.0.0.1 external edit
+++ playground:playground [2022/10/24 20:56] (current)
zhwiki [PlayGround]
@@ Line 1: / Line 1: @@
 ====== PlayGround ======
+$$
+Total\, Returns=(P_{end} - P_{start})/P_{start}\times 100\%
+P_{end} = 为策略最终股票和现金的总价值
+P_{start} = 为策略开始股票和现金的总价值
+$$
+文件名规则：
+[[file name]]
+[[file_name]]
+[[file-name]]
+====== 临时 ======

zhwiki