There are 1 previous version of this script.
// ==UserScript==
// @name Yahoo! Finance Stock Screen
// @namespace http://seifi.org
// @description Quickly identify the next long candidate in your yahoo stock watch list. Click on the flash star to show TA charts.
// @include http://finance.yahoo.com/p?v&k=pf_*
// @include http://finance.yahoo.com/p?k=pf_*
// @include http://finance.yahoo.com/p?v&k=pf_*&d=v*
// @version 1.0
// @GM_version 0.6.4
// @FF_version 1.5
// ==/UserScript==
var GMDebug = false;
var CustomizeYahoo = {
re : [ /^http\:\/\/finance\.yahoo\.com\/p\?v\&k=pf_\d+$/,
/^http\:\/\/finance\.yahoo\.com\/p\?k=pf_\d+/,
/^http\:\/\/finance\.yahoo\.com\/p\?v\&k=pf_\d+\&d=v\d+$/],
// imgFrame: document,
//iconOn: 'http://mail.google.com/mail/images/star_on_sm_2.gif',
//iconOff: 'http://mail.google.com/mail/images/star_off_2.gif',
iconOn: 'http://us.i1.yimg.com/us.yimg.com/i/us/fi/03rd/up_g.gif',
iconOff: 'http://us.i1.yimg.com/us.yimg.com/i/us/fi/03rd/down_r.gif',
iconIds: [],
iconSymbs: [],
/*
* return true if by the defined rule, the symbol is good to pick
*
* p price
* tp target price
* PE P/E
* vol today's volumn
* aVol average volumn
* f float
* MC market capital
* fr percentage of float in total market capital
* EPS EPS
* nEPS estimated next year EPS
* rEPS percentage increase of EPS
*/
analysis: function(p, tp, PE, vol, aVol, f, MC, fr, EPS, nEPS, rEPS ) {
return (rEPS > PE);
},
extractNum : function(obj) {
var str = obj;
if (typeof obj.innerHTML != 'undefined')
str = obj.innerHTML;
if (GMDebug) GM_log("extractNum : " + str);
if (/\<\//.test(str)) {
var m = str.match(/\>([0-9\.\,\-]+)\<\//);
str = m[m.length-1];
}
var s = "";
for (var i = 0; i < str.length; i++) {
var c = str.charAt(i);
if (c >= '0' && c <='9')
s += c;
else if (c == '.')
s += c;
else if (c == '-')
s += c;
}
var f = parseFloat(s);
if (str.charAt(str.length-1) == 'B')
f = f * 1e9;
else if (str.charAt(str.length-1) == 'M')
f = f * 1e6;
if (GMDebug) GM_log("get " + f);
return f;
},
editTbl: function(tbl) {
var tbody = tbl.tBodies[0];
var nRow = tbody.rows.length+1;
var nCol = tbody.rows[0].cells.length;
var iSymbol = -1;
var iLast = -1;
var iTargetP = -1;
var iVol = -1;
var iAvol = -1;
var iFloat = -1;
var iMCap = -1;
var iEPS = -1;
var iEPSEst = -1;
var iNyEPSEst = -1;
var iPE = -1;
var iCol = 0;
var debug = GMDebug;
// install element of stock chart
try{
var imgDiv = document.createElement('div');
imgDiv.id = 'gmStockChartDiv';
imgDiv.style.position='absolute';
imgDiv.style.visibility='hidden';
imgDiv.style.zIndex = 1500;
imgDiv.style.backgroundColor = 'white';
//imgDiv..setAttribute('style','position:absolute;z-index:1500;visibility:hidden;background-color:white;border:5px outset black');
var imgFrame = document.createElement('img');
imgFrame.id='gmStockChart';
imgFrame.src=this.getStockChartURL('');
imgDiv.appendChild(imgFrame);
document.body.firstChild.insertBefore(imgDiv, document.body.firstChild.firstChild);
CustomizeYahoo.imgDiv = imgDiv;
CustomizeYahoo.imgFrame = imgFrame;
if (GMDebug) GM_log("img installed: " + imgFrame);
try {
var oImg = imgFrame.wrappedJSObject;
if (GMDebug) GM_log("img = " + oImg + ", img.tagName = " + oImg.tagName);
oImg.addEventListener('click',GMC_closeChart,false);
}
catch(e) {
GM_log("GM_log: install unclick failed: " + e);
}
}
catch(e) {
GM_log("GM_log: " + e);
}
// modify the table elements, detect column
for (var i = 0; i < tbody.rows[0].cells.length; i++) {
var colName = tbody.rows[0].cells[i].innerHTML;
if (debug) GM_log('Col[' + i + '] = ' + colName);
if (colName == 'Symbol')
iSymbol = iCol;
else if (colName == 'Trade')
iLast = iCol;
else if (colName == 'P/E')
iPE = iCol;
else if (colName == 'Change')
iCol ++;
else if (colName == 'Volume')
iVol = iCol;
else if (colName == 'Avg Vol (3m)')
iAvol = iCol;
else if (colName == 'Float')
iFloat = iCol;
else if (colName == 'Market Cap')
iMCap = iCol;
else if (colName == '1y Target Est')
iTargetP = iCol;
else if (colName == 'Pct from 50d MA')
tbody.rows[0].cells[i].innerHTML = '% 50MA';
else if (colName == 'EPS (ttm)')
iEPS = iCol;
else if (colName == 'EPS Est (current yr)')
iEPSEst = iCol;
else if (colName == 'EPS Est (next yr)')
iNyEPSEst = iCol;
iCol ++;
}
// the real modification
var iIcon = 0;
for (var i = 1; i < nRow - 1; i++) {
var row = null;
var symb = '';
var p = 1;
var tp = 0;
var pe = -1;
var v = 0;
var av = 0;
var f = 0;
var mc = 0;
var fr = 0;
var EPS = 0;
var EPSEst = 0;
var NyEPSEst = 0;
var rEPS = -1;
try {
if (tbody.rows[i].cells[iSymbol].className == 'nosymbol') {
tbody.rows[i].cells[iSymbol].innerHTML = '<hr>';
continue;
}
row = tbody.rows[i];
symb = row.cells[iSymbol].firstChild.innerHTML;
if (i%2 == 0)
row.style.background = '#eeeeee';
if (iLast != -1) {
p = this.extractNum(row.cells[iLast]);
if (debug) GM_log('p[' + symb + '] = ' + p);
}
if (iPE != -1) {
pe = this.extractNum(row.cells[iPE]);
if (debug) GM_log('PE[' + symb + '] = ' + pe);
}
if (iTargetP != -1) {
tp = this.extractNum(row.cells[iTargetP]);
if (debug) GM_log('targetP[' + symb + '] = ' + tp);
}
if (iVol != -1 && iAvol != -1) {
v = this.extractNum(row.cells[iVol]);
av = this.extractNum(row.cells[iAvol]);
var vr = Math.round(v * 1e2 / av);
row.cells[iVol].innerHTML = vr + "%";
if (debug) GM_log('v[' + symb + '] = ' + v);
if (debug) GM_log('av[' + symb + '] = ' + av);
}
if (iFloat != -1 && iMCap != -1) {
f = this.extractNum(row.cells[iFloat]);
mc = this.extractNum(row.cells[iMCap]);
fr = Math.round(p * f * 1e2 / mc);
row.cells[iFloat].innerHTML = fr + "%";
if (debug) GM_log('fr[' + symb + '] = ' + fr);
}
if (iLast != -1 && iTargetP != -1) {
var pr = Math.round(p * 100 / tp);
row.cells[iLast].innerHTML += ' / ' + pr + '%';
if (debug) GM_log('pr[' + symb + '] = ' + pr);
}
if (iEPS != -1 && iEPSEst != -1 && iNyEPSEst != -1) {
EPS = this.extractNum(row.cells[iEPS]);
EPSEst = this.extractNum(row.cells[iEPSEst]);
NyEPSEst = this.extractNum(row.cells[iNyEPSEst]);
rEPS = Math.round((NyEPSEst-EPSEst) * 1e3 / (EPSEst)) / 10 ;
row.cells[iNyEPSEst].innerHTML += ' (' + rEPS + '%)';
}
}
catch(e) {
tbody.rows[i].cells[0].innerHTML = '<hr>';
GM_log("GM_log: " + e);
};
try {
// '<a href=javascript:document.updateChart("' + symb + '",this.parentNode)>';
var iconId = 'gmcIcon' + i;
var iconSymb = symb;
var appendSrc = '<img id=' + iconId + ' src=';
try {
if (this.analysis(p, tp, pe, v, av, f, mc, fr, EPS, EPSEst, rEPS))
appendSrc += this.iconOn;
else
appendSrc += this.iconOff;
}
catch(e) {
GM_log("GM_log: Fail to analyze");
appendSrc += this.iconOff;
}
appendSrc += '>';
if (GMDebug) GM_log("to append: " + appendSrc);
row.cells[iSymbol].innerHTML += appendSrc;
CustomizeYahoo.iconIds[iIcon] = iconId;
CustomizeYahoo.iconSymbs[iIcon] = symb;
iIcon ++;
}
catch(e) {
GM_log("GM_log: " + e);
}
}
for(var i = 0; i < CustomizeYahoo.iconIds.length; i++) {
var oIcon = document.getElementById(CustomizeYahoo.iconIds[i]);
oIcon.addEventListener('click',GMC_updateChart,false);
}
},
detectTbl: function() {
var i = 0;
var urlQualified = false;
for (i = 0; i < this.re.length && !urlQualified; i++)
urlQualified = this.re[i].test(window.location);
if (!urlQualified) {
alert("not qualified url" + window.location);
return;
}
targetTbl = document.getElementById('yfi_columnar_data');
/*
var tables = document.getElementsByTagName("table");
if (GMDebug) GM_log("total table number: " + tables.length);
var targetTbl = null;
for (i = 0; i < tables.length && targetTbl == null; i++) {
try {
var oCell = tables[i];
if (GMDebug) GM_log(oCell.className);
if (oCell.className == 'portfolio_data simple') {
targetTbl = oCell;
}
}
catch (e) {}
}
*/
if (targetTbl) {
if (GMDebug) GM_log("start editting table");
try{
this.editTbl(targetTbl);
}
catch(e) {
if (GMDebug) GM_log(e);
}
if (GMDebug) GM_log("end editting table");
}
},
getStockChartURL: function(symb) {
if (symb.length == 0)
return '';
var pOB = symb.indexOf('.OB');
if (pOB > 0)
symb = symb.substring(0, pOB);
// http://www.stockta.com/cgi-bin/candle.pl?cobrand=&symb=APFCX&size=analysis&trend=
var url = "http://www.stockta.com/cgi-bin/candle.pl?cobrand=&symb=" + symb + "&size=analysis&trend=";
var img = CustomizeYahoo.imgFrame;
if (GMDebug) GM_log("img url = " + url);
try {
img = img.wrappedJSObject;
}
catch(e) {}
img.src = url;
var div = CustomizeYahoo.imgDiv;
try {
div = div.wrappedJSObject;
}
catch(E) {}
div.style.visibility = 'visible';
return '';
/*
var req = {
method:"POST",
url:"http://stockcharts.com/h-sc/ui",
headers:{
"User-Agent":"Mozilla",
"Accept":"text/html,text/xml",
"Content-Type":"application/x-www-form-urlencoded",
},
data: "s="+symb+"&p=WEEKLY",
onload:function(details) {
var res = details.responseText;
if (GMDebug)
GM_log([
details.status,
details.statusText,
details.readyState,
details.responseHeaders,
res
].join("\n"));
var pattern = '<img id="chartImg" src="';
var pIndex = res.indexOf(pattern) + pattern.length;
var qIndex = res.indexOf('" />', pIndex);
var img = CustomizeYahoo.imgFrame;
var url = 'http://stockcharts.com' + res.substr(pIndex, qIndex - pIndex);
if (GMDebug) GM_log("img url = " + url);
try {
img = img.wrappedJSObject;
}
catch(e) {}
img.src = url;
img.style.visibility = 'visible';
},
};
GM_xmlhttpRequest(req);
return '';
*/
}
};
CustomizeYahoo.detectTbl();
function GMC_updateChart(e) {
var srcEle = e.currentTarget;
if (GMDebug) GM_log("srcEle.id = " + srcEle.id);
var i = 0;
for (i = 0; i < CustomizeYahoo.iconIds.length; i++) {
if (CustomizeYahoo.iconIds[i] == srcEle.id)
break;
}
if (i == CustomizeYahoo.iconIds.length)
return;
var symb = CustomizeYahoo.iconSymbs[i];
var url = CustomizeYahoo.getStockChartURL(symb);
if (GMDebug) GM_log("get stock chart for " + symb);
var div = CustomizeYahoo.imgDiv;
try {
div = div.wrappedJSObject;
}
catch(e) {}
var t = srcEle.offsetHeight;
var l = 0;
var p = srcEle;
while(p) {
t += p.offsetTop;
l += p.offsetLeft;
p = p.offsetParent;
}
t += 10;
if (GMDebug) GM_log("top = " + t + ", left = " + l);
div.style.position='absolute';
div.style.top = t +'px';
div.style.left = l + 'px';
// img.style.visibility = 'visible';
}
function GMC_closeChart(e) {
var div = CustomizeYahoo.imgDiv;
try {
div = img.wrappedJSObject;
}
catch(e) {}
div.style.visibility = 'hidden';
}
