想請教回測資料為何使用大台和小台進行回測數據會不一樣呢?

想請教寫了以下交易腳本請問為何大小台測試出來的數據不一樣呢?

if barfreq <> "min" or barInterval<>30 then raiseruntimeerror ("本腳本只適用於30分K");

var: stop_point(0), controller(0);

value1 = highest(C[1],20);

value2 = lowest(C[1],20);

input: profit_point(100, "停利(點)");

input: profit_drawback_point(50, "停利回跌(點)");

input: loss_point(100, "停損(點)");

condition1 = c>value1;

condition2 = c<value2;

if profit_point = 0 then raiseruntimeerror("請設定停利(點)");

if profit_drawback_point = 0 then raiseruntimeerror("請設定停利回跌(點)");

if profit_drawback_point > profit_point then raiseruntimeerror("停利(點)需大於停利回跌(點)");

if position = 0 and filled = 0 and condition1 then setposition(1, market);

if position = 0 and filled = 0 and condition2 then setposition(-1, market);

if Position = -1 and Filled = -1 then begin

var: intrabarpersist max_profit_point(0);{ 啟動停利後最大獲利點 }

if loss_point > 0 and Close >= FilledAvgPrice + loss_point then begin{ 停損 }

SetPosition(0);

max_profit_point = 0;

end else begin{ 判斷是否要啟動停利 }

if max_profit_point = 0 and Close <= FilledAvgPrice - profit_point then begin

max_profit_point = Close;

end;

if max_profit_point <> 0 then begin

if Close >= max_profit_point + profit_drawback_point then begin{ 停利 }

SetPosition(0);

max_profit_point = 0;

end else if Close < max_profit_point then begin{ 移動最大獲利點 }

max_profit_point = Close;

end;

end;

end;

end;

if Position = 1 and Filled = 1 then begin

if loss_point > 0 and Close <= FilledAvgPrice - loss_point then begin{ 停損 }

SetPosition(0);

max_profit_point = 0;

end else begin{ 判斷是否要啟動停利 }

if max_profit_point = 0 and Close >= FilledAvgPrice + profit_point then begin

max_profit_point = Close;

end;

if max_profit_point <> 0 then begin

if Close <= max_profit_point - profit_drawback_point then begin{ 停利 }

SetPosition(0);

max_profit_point = 0;

end else if Close > max_profit_point then begin{ 移動最大獲利點 }

max_profit_point = Close;

end;

end;

end;

end;