【Market Structure】How Commodity Spot and Forward Markets Relate
Quote from chief_editor on June 9, 2026, 5:30 pmCommodity spot and forward markets relationship explained. Learn the difference between spot and forward, and how the two markets interact in physical trade.
Spot markets and forward markets are the two fundamental time dimensions of commodity trading. Understanding how they relate — and how prices in one market influence prices in the other — is essential for anyone learning to navigate physical commodity trading.
A commodity spot market refers to the buying and selling of physical commodities for immediate or near-term delivery, where prices reflect current supply and demand conditions. A commodity forward market refers to contracts for delivery at a specified future date, where prices reflect expectations about future supply and demand, adjusted for the cost of carrying the commodity from today to the delivery date.
What Spot and Forward Prices Represent
Spot price is the price at which a commodity changes hands for immediate delivery — in practice, the timing varies by commodity. In oil markets, spot trades are typically for delivery within one to two weeks. In metal markets, the spot or cash price refers to delivery in two business days. In agricultural markets, the spot price may refer to nearby delivery within a few weeks.
A forward price is the agreed price for delivery at a specific future date. Forward contracts in physical commodity markets are bilateral agreements between a buyer and seller, distinct from exchange-traded futures contracts. A buyer and seller might agree today that 10,000 metric tons of thermal coal will be delivered in six months at an agreed price — this is a physical forward contract. The forward price reflects the current spot price adjusted upward by carrying costs (storage and financing) in a contango market, or adjusted downward in a backwardation market where spot demand is urgent.
The relationship between spot and forward prices is governed by the cost of carry. In full carry contango, the forward price equals spot plus the cost of storing and financing the commodity from today to delivery. For example, assume spot aluminum is trading at $2,400 per metric ton. Storage and financing for three months costs assume $60 per metric ton. The three-month forward price in full carry would be $2,460 per metric ton. If the actual three-month forward price is only $2,440 per metric ton, the market is in contango but below full carry — meaning there is insufficient incentive to store aluminum speculatively.
In backwardation, the forward price is below spot. A trader who holds aluminum inventory in a backwardated market cannot profitably store it forward — each day of storage costs money (financing, warehouse fees) while the selling price for future delivery is lower than the current spot price. Backwardation incentivizes rapid delivery and discourages speculative inventory holding.
How Physical Traders Use Forward Markets
Physical commodity traders use forward markets to lock in future purchase or sale prices, manage inventory timing, and structure arbitrage positions. A grain trader who purchases new crop corn at an agreed forward price from a farmer in June, before the harvest, and simultaneously sells corn futures on the Chicago Board of Trade (CBOT) for November delivery, has locked in a known margin if the two prices are favorable — this is the basic structure of a merchandiser's grain trading position.
Forward curves — the set of forward prices across all available delivery dates — provide a visual representation of the market's expectation for future prices and the cost of carry. Physical commodity traders read forward curves to identify periods of unusual contango or backwardation that may present storage or timing arbitrage opportunities.
Over-the-Counter (OTC) forward contracts differ from exchange-traded futures in that they can be customized to any quantity, grade, location, and delivery date agreed between the parties. Physical commodity supply contracts are forward contracts in this sense — the buyer and seller agree on a future delivery that locks in volume and a pricing formula, even if the final price is not known until the pricing period closes.
Spot and forward markets are connected by the cost of carry and by the arbitrage activity of traders who simultaneously trade both markets — the relationship between the two price levels reflects what it actually costs to move a commodity through time, from a current surplus to a future demand point.
Commodity spot and forward markets relationship explained. Learn the difference between spot and forward, and how the two markets interact in physical trade.
Spot markets and forward markets are the two fundamental time dimensions of commodity trading. Understanding how they relate — and how prices in one market influence prices in the other — is essential for anyone learning to navigate physical commodity trading.
A commodity spot market refers to the buying and selling of physical commodities for immediate or near-term delivery, where prices reflect current supply and demand conditions. A commodity forward market refers to contracts for delivery at a specified future date, where prices reflect expectations about future supply and demand, adjusted for the cost of carrying the commodity from today to the delivery date.
What Spot and Forward Prices Represent
Spot price is the price at which a commodity changes hands for immediate delivery — in practice, the timing varies by commodity. In oil markets, spot trades are typically for delivery within one to two weeks. In metal markets, the spot or cash price refers to delivery in two business days. In agricultural markets, the spot price may refer to nearby delivery within a few weeks.
A forward price is the agreed price for delivery at a specific future date. Forward contracts in physical commodity markets are bilateral agreements between a buyer and seller, distinct from exchange-traded futures contracts. A buyer and seller might agree today that 10,000 metric tons of thermal coal will be delivered in six months at an agreed price — this is a physical forward contract. The forward price reflects the current spot price adjusted upward by carrying costs (storage and financing) in a contango market, or adjusted downward in a backwardation market where spot demand is urgent.
The relationship between spot and forward prices is governed by the cost of carry. In full carry contango, the forward price equals spot plus the cost of storing and financing the commodity from today to delivery. For example, assume spot aluminum is trading at $2,400 per metric ton. Storage and financing for three months costs assume $60 per metric ton. The three-month forward price in full carry would be $2,460 per metric ton. If the actual three-month forward price is only $2,440 per metric ton, the market is in contango but below full carry — meaning there is insufficient incentive to store aluminum speculatively.
In backwardation, the forward price is below spot. A trader who holds aluminum inventory in a backwardated market cannot profitably store it forward — each day of storage costs money (financing, warehouse fees) while the selling price for future delivery is lower than the current spot price. Backwardation incentivizes rapid delivery and discourages speculative inventory holding.
How Physical Traders Use Forward Markets
Physical commodity traders use forward markets to lock in future purchase or sale prices, manage inventory timing, and structure arbitrage positions. A grain trader who purchases new crop corn at an agreed forward price from a farmer in June, before the harvest, and simultaneously sells corn futures on the Chicago Board of Trade (CBOT) for November delivery, has locked in a known margin if the two prices are favorable — this is the basic structure of a merchandiser's grain trading position.
Forward curves — the set of forward prices across all available delivery dates — provide a visual representation of the market's expectation for future prices and the cost of carry. Physical commodity traders read forward curves to identify periods of unusual contango or backwardation that may present storage or timing arbitrage opportunities.
Over-the-Counter (OTC) forward contracts differ from exchange-traded futures in that they can be customized to any quantity, grade, location, and delivery date agreed between the parties. Physical commodity supply contracts are forward contracts in this sense — the buyer and seller agree on a future delivery that locks in volume and a pricing formula, even if the final price is not known until the pricing period closes.
Spot and forward markets are connected by the cost of carry and by the arbitrage activity of traders who simultaneously trade both markets — the relationship between the two price levels reflects what it actually costs to move a commodity through time, from a current surplus to a future demand point.