How are options different from futures?

Here are some key features which differentiate futures from options:

FeatureOptionsFutures
Contract TypeGives the holder the right, but not the obligation, to buy/sell an asset at a specific price.Obligates the buyer to purchase, or the seller to sell, an asset at a predetermined price.
ObligationHolder has the choice to exercise or not exercise the contract.Both parties are obligated to fulfill the terms of the contract.
Market ParticipationUsed for speculation, hedging, and generating income through premiums.Primarily used for hedging against price fluctuations.
Risk and RewardLimited risk (premium paid) with potentially unlimited profit.Unlimited profit potential but also unlimited risk.
Market AccessibilityMore accessible to retail investors due to lower capital requirements.Typically requires larger capital due to the margin requirements.
FlexibilityProvides flexibility as traders can choose not to exercise the option.Less flexible as the contract must be fulfilled at the agreed-upon terms.
LeverageProvides leverage through premium payment.Involves leverage through margin requirements.
Underlying AssetCan be based on various underlying assets (stocks, commodities, indices).Usually involves commodities, financial instruments, or indices.
Price DeterminationPremium is influenced by the underlying asset price, volatility, time to expiration, and interest rates.Influenced by the spot price of the underlying asset and expectations of future prices.
TerminationOptions can be exercised at any time before expiration or left to expire.Futures contracts must be fulfilled on the expiration date unless offset earlier.