"Hey, what if we had an investment vehicle that would 'mimic' and let you trade a whole different market?" The first successful exchange-traded fund appeared in 1993: the S&P's SPDRs. "Spiders" became the world's largest ETF. Today, there are hundreds of ETFs. The good news is, you can forecast them with Elliott waves just like you would forecast the market they "mimic." These free resources show you how.