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NEW YORK (TheStreet) -- Most stocks are trapped within their index or sector, Jim Cramer told his Mad Money viewers Monday. But using only comparative analysis doesn't allow investors to think big -- and that can leave big gains on the table.

Case in point, Netflix (NFLX), a stock that rallied another $20 a share today on yet another analyst upgrade ahead of the company's earnings. Using traditional analysis, investors may conclude that Netflix is ridiculously expensive compared to where shares traded just a few months or years ago. But could it be that Netflix shares are ridiculously undervalued based on where the coming will be a few years from now?

At current valuations, Netflix is valued below CBS (CBS) and Discovery Holdings (DISCA). Unlike CBS or the Discovery Channel, Netflix is an entertainment juggernaut, the go-to destination for all our entertainment needs. Neither CBS nor Discovery introduced us to binge viewing, but Netflix did -- and who knows what it'll think up next.

Using the four walls of the spreadsheet canvas are how many investors learned to value stocks. But whether it's Netflix or Twitter (TWTR), a stock Cramer owns for his charitable trust, Action Alerts PLUS, or Receptos (RCPT) or HomeAway (AWAY), some stocks beckon to be valued differently.

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