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D

Derivative

Learn what a derivative is in finance. Clear definitions, main types (forwards, futures, options, swaps), simple examples, uses, risks, and how pricing and settlement work.

What is a derivative?

A derivative is a financial contract whose value comes from something else. That something else is the underlying asset. The underlying can be a stock, a bond, a commodity, an interest rate, or even another financial index.

A derivative does not give ownership of the underlying asset. It only gives rights or obligations tied to its price. Traders use derivatives to protect against price moves, to bet on price moves, or to make money from small price differences.

Key terms to know

  • Underlying: the asset that sets the contract value.
  • Notional amount: the size used to calculate payments. It is not always exchanged.
  • Payoff: the cash you get from the contract at a specific time.
  • Margin: money you must deposit to open and keep a position.
  • Clearinghouse: an organization that helps make trades safer by guaranteeing performance.
  • Counterparty risk: the chance the other side will not meet its obligations.

Main types of derivatives

  1. Forwards

    • A forward is a private agreement to buy or sell an asset at a set price on a set future date.
    • It trades over the counter, which means it is arranged directly between two parties.
    • Example: You agree today to buy 100 barrels of oil in three months for $70 per barrel.

  2. Futures

    • A futures contract is like a forward but standardized and traded on an exchange.
    • The exchange sets contract size and dates. A clearinghouse reduces counterparty risk.
    • Example: An oil futures contract might cover 1,000 barrels and settle in June.

  3. Options

    • An option gives the buyer the right, but not the obligation, to buy or sell the underlying at a set price.
    • Call option: right to buy. Put option: right to sell.
    • Example: A call option lets you buy 100 shares at $50 per share before the option expires.

  4. Swaps

    • A swap exchanges cash flows between two parties. Common swaps trade interest payments.
    • Example: One party pays fixed interest and receives floating interest from the other party.

Why people use derivatives

  • Hedging: Protect against price changes. A farmer can lock a grain price to avoid a bad price drop.
  • Speculation: Bet on price moves to try to make profit.
  • Arbitrage: Profit from price differences across markets.
  • Access: Get exposure to an asset without owning it directly.
  • Risk management: Shift certain risks to other parties.

Simple examples

Futures example

  • You expect oil prices to rise. You buy a futures contract at $60. If the price rises to $70, you gain $10 times contract size.
  • If the price falls to $50, you lose $10 times contract size.

Option example

  • You buy a call option for a premium of $2 that lets you buy a stock at $50.
  • If the stock rises to $60, you exercise and gain $8 net per share (gain $10 minus $2 premium).
  • If the stock stays below $50, you do not exercise and lose the $2 premium.

Swap example

  • Company A pays fixed 3% on $10 million and receives LIBOR. Company B pays LIBOR and receives 3%. If LIBOR rises above 3%, B benefits. If LIBOR falls, A benefits.

How derivatives are priced (basic idea)

Pricing depends on:

  • Current price of the underlying.
  • Strike or agreed price.
  • Time until the contract ends.
  • Volatility of the underlying price.
  • Interest rates and dividends for some assets.

For simple contracts like futures, price roughly equals current price adjusted for cost of carry. For options, pricing models consider volatility and time value. You do not need the math to understand the main point. Higher volatility and more time until expiry usually raise an option price.

Risks of derivatives

  • Leverage: Small moves in the underlying can cause large gains or losses because contracts control a big notional amount.
  • Complexity: Some contracts are hard to value and understand.
  • Counterparty risk: Especially with private forwards and swaps, the other side might fail to pay.
  • Liquidity risk: Some derivatives are hard to buy or sell quickly at a fair price.
  • Systemic risk: Large failures can affect many financial institutions.

How markets try to control risk

  • Central clearing for futures and many swaps to cut counterparty risk.
  • Margin requirements and daily settlement for exchange-traded contracts.
  • Regulation and reporting requirements after big market failures.
  • Standardization of contracts on exchanges.

Quick takeaways

  • A derivative is a contract based on the value of an underlying asset.
  • Main types are forwards, futures, options, and swaps.
  • Uses include hedging, speculation, arbitrage, and access to assets.
  • They can be useful tools but carry risks from leverage and counterparty failure.
  • Basic pricing depends on current price, time, volatility, and interest rates.

If you need a short glossary or a simple math example for one of the types, tell me which one and I will add it.

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