Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

There’s an old saying that goes, “figures don’t lie, but liars can figure.” But sometimes even the figures can spin a confusing story. That’s why I’ve always appreciated the power of understanding ...

Shark attacks and ice cream sales follow the very same trajectory when charted. When ice cream sales go up, so do shark attacks. When ice cream sales decrease, shark attacks decrease. With a ...

A correlation tells you how two financial variables move together. Financial variables can be assets like stock prices, and bond yields or economic indicators like interest rates. The direction in ...