RunTheNumbers
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Hoggums said:You need intraday data because you do not know the entry point otherwise. Take today on the FTSE for example - there is no way you could have got filled for less than 6250 at open - that's 47 points above what YAHOO says the open is rather than the 15 or so points your system tries to target. Even at 9pm last night IG were quoting the FTSE at +25 pnts over the close when I opened my position. Let's say for arguments sake the market later took a tumble to stop out at 6187 - that's a loss of not 30 points as your spreadsheet would say - but 63 points (ignoring spreads).
I have also found that the SB overnight price than peak more than 15 points only to go the other way before market open because of a rise or tumble in the opposite direction on the asian markets. If that happens you will make a loss even though your spreadsheet may say you've profited.
Hoggums
I am not suggesting anyone trades this system, but it is tradeable, and you can backtest without intraday data.
If you re-read my post, and my spreadsheet I make it quite clear that I use FTSE cash data from Sharescope (a paid for data service). I also explained that at open if the opening figure was above or below the long or short trigger, then I assumed one would enter at open.
As an example this morning the Sharescope data I have just downloaded showed that the FTSE opened at 6256.4 (having closed last night at 6204.6). If this was above the long trigger (which I suspect it was) the system I set up in the attached spreadsheet would have immediately gone long.
Now this morning I actually exited a FTSE trade at 6249, just after the open, so I know for a fact that you could have bettered an long entry of 6256.4.
Had one entered at 6256.4 and exited at close, today would have been a nice profit day.
Which part of the above do you disagree with?
Regards
Ben