<html>
<script>
function on1(total,fund,wave,day){//跟随波动率投:下降我就投资 本金下降率
var money = total;
var num = 0;
for(var i=0;i<day;i++){//假设每天波动wave;第二天又到原点
if(i%2==0){
money-=(moneywave/fund);//下跌本金
money-=(money*0.85/100/365);//手续费
money+=(wave/fund*total);//追加投资
num-=(wave/fund*total);
fund-=wave;//当前指数
}else{
money+=(moneywave/fund);//上涨本金
money-=(money0.85/100/365);//手续费
money-=(wave/fund*total);//撤回投资
num+=(wave/fund*total);
fund+=wave;//当前指数
}
}
var str = ((money-total+num)/total100).toFixed(4)+"%"+money;
return str;
}
function on2(total,fund,wave,day){//保持本金投
var money = total;
var num = 0;
for(var i=0;i<day;i++){//假设每天波动wave;第二天又到原点
if(i%2==0){//下降wave
money-=(moneywave/fund);
money-=(money0.85/100/365);
fund-=wave;
}else{
money+=(moneywave/fund);
money-=(money0.85/100/365);
fund+=wave;
}
num += (money - total);
money = total;
}
var str = ((num)/total100).toFixed(4)+"%";
return str;
}
function on3(total,fund,wave,day){//定投
var money = 0;
var temp = total/(Math.ceil(day/7));//(ceil)why?(因i从0开始,day小于7也有一次投标)
for(var i=0;i<day;i++){//假设每天波动100;第二天又到原点
if(i%2==0){
money-=(moneywave/fund);
fund-=wave;
}else{
money+=(moneywave/fund);
fund+=wave;
}
if(i%7==0){
money+=temp;
}
money-=(money*0.85/100/365);//手续费
}
var str = ((money-total)/total*100).toFixed(4)+"%";
return str;
}
</script>
<body>
start:
<script>
var tr1="<tr>",tr2="</tr>",td1="<td style="text-align:center">",td2="</td>";var total=1000;var fund =3000; var wave = 0;var day = 366;
for(var i=0;i<100;i++){
tr1=tr1+td1+i+td2+td1+on1(total,fund,i,day)
+td2+td1+on2(total,fund,i,day)+td2
+td1+on3(total,fund,i,day)+td2+tr2;
}
var str = "<table border="1">"
+"<tr><th>指数波动</th><th>跟随波动率投</th><th>保持本金投</th><th>定投</th></tr>"
+tr1+
"</table>";
document.write(str);
</script>
</body>
</html>
