How to trade one symbol based on indicators of another?

How to trade one symbol based on indicators of another?

saratur
2011-01-17 08:42:19

... A basic question: How do I build a trading system, and/or a set of trading rules, where indicators and operations on indicators of one symbol trigger trades of another symbol?

For example, buy INTC if the ^NDX rsi(14) crosses above 20, or buy QQQQ if ^GSPC crosses above its upper bollinger band?

QuantShare
2011-01-17 09:29:11

Best Answer

- Buy a security if the ^NDX rsi(14) crosses above 20

a = GetSeries("^NDX", close);
buy = cross(Rsi(a, 14), 20);

If you want to buy only INTC:

a = GetSeries("^NDX", close);
buy = cross(Rsi(a, 14), 20) AND StringEqual(Name(), "INTC");

Or you can use the Advanced Money Management Tool.

- Buy a security if ^GSPC crosses above its upper bollinger band

a = GetSeries("^GSPC", close);
buy = cross(a, BbandsUpper(a, 20, 2, _MaSma));

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