input: diverge(1), swing(2.0), strength(5), length(5), type(0), exit(0),
fastx(10);
vars: pcswing(0), last(0), curhigh(0), curlow(0), swhigh(0), swlow(0) ,
swhigh1(0), swlow1(0), highbar(0), highbar1(0), STslowk(0),
lowbar(0), lowbar1(0), chighbar(0), clowbar(0), exittype(0),
STtoday(0), SThigh(0), STlow(0), curSThigh(0), curSTlow(0),
xhigh(0), xlow(0), xclose(0),signal(0),
highclose(0), lowclose(0), chighprice(0), clowprice(0);
pcswing = swing/100.;
STslowk = SlowK(length);
STtoday = SlowD(length);
xclose = close;
xhigh = high;
xlow = low;
if type = 1 then begin
xclose = 100. - close;
xhigh = 100. - low;
xlow = 100. - high;
end;
if type = 2 then begin
xclose = 800 / close;
xhigh = 800 / low;
xlow = 800 / high;
end;
{ SWINGS: INITIALIZE MOST RECENT HIGH AND LOW }
if currentbar = 1 then begin
{ Initialize curhigh and curlow }
curhigh = xhigh; {current high price}
curlow = xlow; {current low price}
end;
{ SEARCH FOR A NEW HIGH }
if last<>1 then begin
if xhigh > curhigh then begin
curhigh = xhigh; {save values at new high}
curSThigh = STtoday;
chighbar = currentbar;
end;
if xlow < curhigh - curhigh*pcswing then begin
last = 1; {last high fixed}
if type = 0 and exittype = -1 then exittype = 0;
if type <> 0 and exittype = 1 then exittype = 0;
swhigh1 = swhigh; {previous high}
highbar1 = highbar;
swhigh = curhigh; {new verified high}
highbar = chighbar;
curlow = xlow; {initialize new lows}
if type = 0 then begin
SThigh = curSThigh;
highclose = swhigh;
end
else begin
STlow = curSThigh;
lowclose = close[currentbar - highbar];
end;
clowbar = currentbar;
end;
end;
{ SEARCH FOR A NEW LOW }
if last <> -1 then begin
if xlow < curlow then begin
curlow = xlow; {save values at new lows}
curSTlow = STtoday;
clowbar = currentbar;
end;
if xhigh > curlow + curlow*pcswing then begin
last = -1;
if type = 0 and exittype = 1 then exittype = 0;
if type <> 0 and exittype = -1 then exittype = 0;
swlow1 = swlow;
lowbar1 = lowbar;
swlow = curlow;
lowbar = clowbar;
curhigh = xhigh; {initialize current high}
if type = 0 then begin
STlow = curSTlow;
lowclose = swlow;
end
else begin
SThigh = curSTlow;
highclose = close[currentbar - lowbar];
end;
chighbar = currentbar;
end;
end;
{ DIVERGENCE LOGIC }
if type = 0 then begin
chighprice = curhigh;
clowprice = curlow;
end
else begin
chighprice = high[currentbar - lowbar];
clowprice = low[currentbar - highbar];
end;
{ SINGLE DIVERGENCE }
if diverge = 1 then begin
If (((type = 0 and last = -1) or (type <> 0 and last = 1)) and
exittype <> -1 and close > highclose and high = chighprice and
STslowk > fastx and (STtoday[1] > 50+exit or STtoday < STtoday[1]) and
STtoday < SThigh - strength) then begin
Sell Short This Bar on close;
signal = -1;
exittype = 0;
end;
if (((type = 0 and last = 1) or (type <> 0 and last = -1)) and
exittype <> 1 and close < lowclose and low = clowprice and
STslowk < 100-fastx and (STtoday[1] < 50-exit or STtoday > STtoday[1]) and
STtoday > STlow + strength) then begin
Buy This Bar on close;
signal = 1;
exittype = 0;
end;
end;
{ DOUBLE DIVERGENCE - MIN ON CURRENT STOCH ONLY }
if diverge = 2 then begin
If last = -1 and xhigh = curhigh and STslowk > fastx and
(STtoday[1] > 50+exit or STtoday < STtoday[1]) then begin
If xclose > swhigh and swhigh > swhigh1 and
STtoday < SThigh - strength and
SThigh < SlowD(length)[currentbar - highbar1] then begin
if type = 0 then begin
Sell Short This Bar on close;
signal = -1;
exittype = 0;
end
else begin
Buy This Bar on close;
signal = 1;
exittype = 0;
end;
end;
end;
if last = 1 and xlow = curlow and STslowk < 100-fastx and
(STtoday[1] < 50-exit or STtoday > STtoday[1]) then begin
if xclose < swlow and swlow < swlow1 and
STtoday > STlow + strength and
STlow > SlowD(length)[currentbar - lowbar1] then begin
if type = 0 then Buy This Bar on close else Sell Short This Bar on close;
end;
end;
end;
{ Get out if divergence disappears or swing reverses }
if (STtoday > SThigh or STtoday=100) and signal = -1 then begin
Buy to Cover This Bar on close;
signal = 0;
exittype = -1;
end;
if (STtoday < STlow or STtoday=0) and signal = 1 then begin
Sell This Bar on close;
signal = 0;
exittype = 1;
end;
{ Get out if Stochastic reverses after crossing thresholds }
if STslowk <= fastx or (STtoday[1] < 50+exit and STtoday > STtoday[1])
and signal = -1 then begin
Buy to Cover This Bar on close;
exittype = -1;
signal = 0;
end;
if STslowk >= 100-fastx or (STtoday[1] > 50-exit and STtoday < STtoday[1])
and signal = 1 then begin
Sell This Bar on close;
signal = 0;
exittype = 1;
end;
後記：
我想如果花了很長的時間寫出一個型態策略，然後回測起來不是很好，應該會有點崩潰。所以我交易的方式(包括資金管理)，一律從簡。
1 留言:
我花了八年時間寫型態策略，然後回測起來不是很好，已經崩潰三次了。
張貼留言
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