0
votes
2answers
116 views

Avoiding negative spread in pairs trading

I'm constructing money-neutral spread by this formula: Spread = log(P1) - log(P2), where P1 and P2 is prices of two instruments But sometimes spread can get into ...
3
votes
0answers
206 views

pairs trading detrend the spread

I have calculated a hedge ratio that generates a mean reverting spread (stationary, without trends) 60-70% of the time. But the remaining 30% of the time, it seems like there is a trend in the spread. ...
-4
votes
1answer
553 views

How to calculate the weight of the stocks using the linear regression?

I do a simple example with the follow three series(stocks prices): ...