Discover how equity derivatives work, their uses in hedging and speculation, and see examples of these financial instruments like options and futures.

Proportional-integral-derivative (PID) is the most common industrial technology for closed-loop control. A proportional-integral-derivative (PID) controller can be used to control temperature, ...

Liz Manning has researched, written, and edited trading, investing, and personal finance content for years, following her time working in institutional sales, commercial banking, retail investing, ...

Derivatives are financial instruments whose value is derived from one or more underlying assets or securities (e.g., a stock, bond, currency, or index). A derivative is a contract that derives its ...

Self-regulating systems with feedback loops, i.e., the routing back of the output of a system to its input, have existed since antiquity and have since become an integral part of modern technology.