Derivatives are financial products whose values depend on underlying assets like equities or commodities, such as contracts to sell future harvests to mitigate price risk. Common types of derivatives include forwards, futures, options, swaps, swaptions, LEAPS, and basket options, each serving various purposes in risk management or speculation. The Indian Securities Contracts (Regulation) Act, 1956 governs the trading of these derivatives, which can be utilized by hedgers, speculators, and arbitrageurs in different capacity.