Hi Kent,
I don't know what you mean by vert. horiz. Filter, perhaps you could explain that for me please.
I have noticed that over the course of a day the dow/s&p generally has 1 to 3 overall trends.
For example on Tuesday 25 Feb, the trend was down until 10.08 then up for the rest of the day. Ie 2 trends.
On Monday 24, one trend, straight down.
On Friday 21, the initial trend was up until 10.05 then down until 10.29 then back up. 3 trends.
On Thursday 20, one trend, down.
If you look at the charts you'll see what I mean. This is why I limit myself to 3 trades per day to try and capture the mayor trends during the day.
The difficulty is identifying the change in trend (obviously, that's what we're all trying to do!). I use a trailing stop based on volatility which I have found in the past to be a reasonable indication that a trend has changed. It's not fool proof though, I haven't found that yet!
Hope that explains what I meant by 1-3 trends a day.
I only look at the major trends, obviously within those there are loads of minor trends for only a few points, but I think I'd go mad trying to trade all of them!
Also, note that after a big move the next day tends to consolidate and become a little choppy, look at today after yesterday afternoons rally. Is that the markets revenge for giving us a good ride!