The Truth About Market Timing, Crashes, and Long-Term Investing with Ben Carlson

What It Covers

Ben Carlson, CFA and director of institutional asset management at Ritholtz Wealth Management, discusses his book *Risk and Reward*, covering market timing failures, the Great Depression's 86% crash, Japan's lost decades, diversification trade-offs, and why automating investment decisions outperforms emotional, active portfolio management.

Key Questions Answered

• •Market Timing Double Requirement: Successfully timing the market requires being right twice — once when exiting and again when re-entering. Most investors who exit wait for deeper drops, miss the recovery, and underperform. The psychological toll of holding cash creates an obsessive cycle that typically produces worse outcomes than staying fully invested throughout.
• •Worst-Case Entry Point Returns: Even investing at the absolute market peak before the 2008 crash or dot-com collapse, a buy-and-hold investor still generated substantial long-term wealth through compounding. The US stock market has returned roughly 10% annually over 100 years, inclusive of an 86% Great Depression crash, demonstrating that time in market outweighs entry timing.
• •Japan Diversification Lesson: Japan's stock market peaked in 1990 at 100x earnings and took 35 years to recover, but a globally diversified portfolio including Japan still returned approximately 9% annually over that period. Owning international developed markets, emerging markets, and US stocks simultaneously prevents catastrophic exposure to any single country's bubble collapse.
• •Automating Away Emotional Decisions: Setting written investment policy guidelines — automating contributions, rebalancing, and dividend reinvestment — removes in-the-moment emotional decision-making during bull and bear markets. Carlson benchmarks active trading accounts against passive target-date funds to measure whether stock-picking activity actually adds performance, and finds automation consistently wins.
• •Crypto Portfolio Framework: Allocating a fixed percentage, such as 10%, to Bitcoin within a broader 90% stock portfolio, then rebalancing mechanically when crypto drifts above or below that target, captures volatility as a rebalancing tool rather than speculation. This rules-based approach prevents both FOMO-driven overweighting during rallies and panic selling during 40-80% drawdowns.