Date updated:08-05-2007
The QQQQ Crash Plus System
This is a simple long-only system that buys the QQQQ if it has an accelerated down-move or if the position is held for a certain amount of time.
BUY: If the closing value of the Qs is more than 1.5 Standard Deviations below a 10 day moving average of daily lows. BUY at the next day’s open.
SELL: If the system is long the Qs, sell at the close of the second of consecutive up close to close days, or at the close of the 20th day the system has been long.
Backtest: Simulated on the QQQQ from March 1999 until February 2007.
Results: 46 of 62(74.19%) trades successful for an average return of 2.73% per trade.
Simulated using Wealth-lab, a product of Fidelity.
Wealth-Lab Code:
var Bar : integer;
for Bar := 11 to BarCount() - 1 do
begin
if LastPositionActive() then
begin
if ((priceclose(Bar) > priceclose(bar - 1)) AND
(priceclose(bar - 1) > Priceclose(bar - 2))) or (Bar - PositionEntryBar(lastposition) > 20)
then
begin
SellAtClose(bar,lastposition,'SellAtClose');
end;
end
else
begin
if priceclose(bar) < BBandLower( Bar , #low, 10, 1.5) then
begin
buyatmarket(Bar + 1, 'BuyAtOpen');
end;
end;
end;
Check the System Trades of the Day every morning for the latest entry buys triggered by this system.
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02/07/2007 20:06 PM CST Asked by JackG
Tom - I have found that using consecutive days up (2-4) is one of the best mechanical ways to time your exit from a swing trade. Something about the psychology that drives a stock up several days in a row seems to indicate a short term top. Much of the rise is provided by alternating large up days and then small retracements. It just seems to work better than any other sell signal I've tested.
12/28/2006 18:49 PM CST Asked by Tom Sandquist
How can the QQQQ Crash Plus system allow us to ride larger moves when it sells after two consecutive up days?
Seems to be a contradiction.