Sean Williams
TMFUltraLong
A Fool since 2010, and a graduate from UC San Diego with a B.A. in Economics, Sean specializes in the healthcare sector and investment planning. You'll often find him writing about Obamacare, marijuana, drug and device development, Social Security, taxes, retirement issues and general macroeconomic topics of interest.
Recent Articles by Sean Williams

Apr 11, 2025
by Sean Williams
Wall Street's Volatility Index (VIX) Has Done This 21 Times in the Last 35 Years -- and It Has a Perfect Track Record of Forecasting Future Stock Moves
Under rare circumstances, the CBOE Volatility Index has a 100% success rate forecasting directional moves in the S&P 500.
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