Futures contract
Key points
- The underlying can be an index, stock, currency, gold or commodity.
- A long position gains from rising prices, a short position from falling prices.
- because of leverage a small price move can wipe out the margin.
Formula / calculation
Theoretical futures price = Spot × (1 + Interest − Dividend yield)^(days/365). A futures price above spot is called contango, below spot backwardation. Profit/Loss = (Closing price − Opening price) × Contract size × Number of contracts.
Interpretation
A long position gains from rising prices, a short position from falling prices. To hedge, index futures equal to the stock portfolio are sold; exporters lock in FX risk by selling currency futures.
Pitfalls
because of leverage a small price move can wipe out the margin. Positions close at expiry; holding long term requires rolling contracts, which costs money. Daily settlement requires cash flow.
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Frequently asked questions
What is Futures contract?
A futures contract is a standardised derivative obliging the holder to buy or sell an asset on a set future date at a price fixed today.
How is Futures contract calculated?
Theoretical futures price = Spot × (1 + Interest − Dividend yield)^(days/365). A futures price above spot is called contango, below spot backwardation. Profit/Loss = (Closing price − Opening price) × Contract size × Number of contracts.
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