One Up on Wall Street

One Up on Wall Street: How to Use What You Already Know to Make Money in the Market is a 1989 book written by American investor and mutual fund manager Peter Lynch, co-authored with John Rothchild. It outlines Lynch's investment method during his time managing Fidelity Magellan Fund at Fidelity Investments. The book explains Lynch's approach to stock investing and teaches how individual investors to identify good investments in their everyday lives before those stocks are widely recognized by Wall Street investors.

The book was on the New York Times bestseller and has sold over one million copies.