Displays Arbitrage margin in coinmarketcap website (coin page)

coinmarketcap.js

//Execute in browser console, or inject via CJS (chrome)
var config={
	min_volume:.5,
	pair:'BTC'
}
if (!$('#arbitrage').length){
	$('#currency-switch-button').click()
	$('#currency-switch .price-toggle[data-currency="btc"]').click()
	
	var mkts={}
	$('#markets-table tr[role="row"]').each(function(i,v){
		var vol = parseFloat($(v).find('.price').parent().next().text().replace('%',''))
		var pair = $(v).find('td').eq(2).text()

		if (vol>=config.min_volume && pair.indexOf(config.pair)>=0) 
			mkts[$(v).find('td').eq(1).text()] = {
				mkt:$(v).find('td').eq(1).text(), 
				price:parseFloat($(v).find('.price').text().split(' ').shift()), 
				vol:$(v).find('.price').parent().next().text()
			}
	})

	var min={price:10000},max={price:0}
	$.each(mkts, function(k,v){
	   if (v.price>max.price) max=v
	   if (v.price<min.price) min=v   
	})
	console.log(mkts)
	var arb="Arbitrage <span class='positive_change'>("+Math.round(((max.price/min.price)-1)*100)+"%)</span>:<br>"+min.price+" buy @ "+min.mkt+" <br>"+max.price+" sell @ "+max.mkt
	$('#quote_price').parent().append('<span id="arbitrage" class="details-text-medium text-gray">'+arb+'</span>')
}