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What methods do you know of to combine multiple signals?

Let's say I have 4+ signals for a given stock:
1 through 5: 1 being strong sell and 5 strong buy
-10 -through 10: -10 being strong sell and 10 being buy
Buy/Sell with 1-3 confidence number
Binary on or off with a buy/sell

What scalable approaches do you know to test out all these signals?

1 response

I (after having read Systematic Trading) would normalize them and do an average weighted by signal correlation.