Jim Cramer's 50/50 Rule: Why Index Funds Alone Won't Make You Rich

As seen on the 24/7 Wall St. homepage on September 24, 2026.

Mad Money w/ Jim Cramer 9/24/26

  • Cramer pushes back on index-fund supremacy, calling the absolutist version of it wrong
  • Still recommends 50% of savings in an S&P 500 fund as a hedge against your own mistakes
  • Argues the S&P holds far fewer than 500 good stocks, so you buy the bad with the good
  • Caller questions on portfolio structure for young investors, 529 plans, and retirement vs. mad money

Put half in an index fund as insurance, the other half in individual names you have actually done the homework on. Cramer's case is that an S&P 500 fund gives you 8% to 10% a year and mediocrity alongside the winners, which is why he says it will not make you rich on its own.

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Cramer's core argument is that treating index funds as the whole answer is wrong. An S&P 500 fund delivers 8% to 10% a year on his account, but he points out that the index bundles hundreds of stocks he considers mediocre in with the genuine winners, so you are buying the bad along with the good.

His practical fix is a 50/50 split. Half of savings goes into an S&P 500 index fund, which he frames as insurance against your own stock-picking mistakes rather than as a wealth-building engine in its own right. The other half goes into individual names, but only ones the investor has actually researched.

The episode also works through caller questions on how young investors should structure a portfolio, when 529 college savings plans fit into the picture, and how to think about retirement accounts versus money set aside for more active trading. Those segments give the abstract 50/50 framework a more practical shape for investors at different life stages.

Investors who have defaulted entirely to passive funds will find the pushback worth weighing. Cramer is not telling anyone to abandon index investing; he is arguing that the absolutist version of it leaves real money on the table for anyone willing to do the homework.

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