barjon
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Have you ever had to rebase this relationship. i.e. if you were to start it again from data 3 weeks ago would it still show reverting to mean over the last 3 weeks.
I have access to ftse data but cant get dow data atm or I would have tried it myself.
mornin'
No, postie, it's been weak, weak, weak over last three weeks with minimal reversions intraday. Showing a bit of strength today, though, so maybe reversion beginning but it's unlikely to go the whole way. I look for half reversion as target for the intraday stuff.