### Create and Run a Simple Trading System

Source: https://hikyuu.org/

This example demonstrates how to create a simulation trading account, define a signal indicator, set a fixed trade count for money management, and then run a simple trading system on a specified stock.

```python
#创建模拟交易账户进行回测，初始资金30万
my_tm = crtTM(init_cash = 300000)

#创建信号指示器（以5日EMA为快线，5日EMA自身的10日EMA最为慢线，快线向上穿越慢线时买入，反之卖出）
my_sg = SG_Flex(EMA(CLOSE, n=5), slow_n=10)

#固定每次买入1000股
my_mm = MM_FixedCount(1000)

#创建交易系统并运行
sys = SYS_Simple(tm = my_tm, sg = my_sg, mm = my_mm)
sys.run(sm['sz000001'], Query(-150))
```

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