# 交易系统的核心要素

**Published by:** [moyu](https://paragraph.com/@moyu/)
**Published on:** 2022-01-31
**URL:** https://paragraph.com/@moyu/cPAc8x2j5Ehb6zR7F866

## Content

交易系统的核心要素：市场：买卖什么？头寸规模：买卖多少？入市：什么时候买进？止损：什么时候放弃一个亏损的头寸？止盈：什么时候退出一个盈利的头寸？战术：怎噩梦买卖？

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