Backwardation

In backwardation, futures prices decrease with the delivery date. A futures contract expiring in 3 months is more expensive than one expiring in 6 months, which is more expensive than one expiring in 12 months. Backwardation occurs when immediate supply is scarce or in high demand, commanding a premium. It signals market tightness and creates costs for long-only investors rolling positions forward—the opposite economic signal of contango.

The convenience yield explanation

Backwardation reflects the convenience yield—the premium placed on immediate access to the physical commodity. When oil is scarce, immediate oil is more valuable than future oil. Refineries need it now, not in 6 months.

The mathematical relationship is:

Forward Price = Spot Price × e^(r×T) − convenience yield

The convenience yield is subtracted, pushing forward prices below spot, creating backwardation.

Economic meaning

Backwardation signals that the market has tight supply. Inventory is low; producers are running at capacity; demand exceeds near-term supply.

Contango signals ample supply; backwardation signals scarcity.

Rolling gains in backwardation

A trader long a futures contract benefits from backwardation. As the contract approaches expiration, it rises in price (convergence to spot). Rolling forward means selling the expensive near contract and buying the cheaper far contract—a gain.

Example:

• Month 1: Buy 12-month contract at $75/barrel (market in backwardation)
• Month 11: Sell the now-1-month contract at $80/barrel (it has risen toward spot)
• Buy the new 12-month contract at $72/barrel
• Gain on roll: ($80 − $75) − ($72 − $80) = $13/barrel profit

Backwardation rewards position-holders rolling forward.

Causes of backwardation

1. Supply disruption: Hurricane, war, strike shuts down production. Immediate oil becomes scarce; prices spike to near-term.

2. Seasonal demand: Winter heating oil spike; farmers needing spring seeds. Demand for immediate delivery exceeds availability.

3. Production constraint: A refinery can only produce so much; speculators bid up immediate contracts.

4. Low inventory: Storage is nearly empty; immediate scarcity commands premium.

Duration and reversion

Backwardation is usually temporary. Once immediate scarcity eases (production resumes, inventory rebuilds), the market reverts to contango. The farther-dated contracts gradually rise in price as the convenience yield dissipates.

A market in severe backwardation (e.g., oil at $80 near vs. $50 far) is unsustainable; it attracts supply, reduces demand, and collapses.

Implications for different participants

Hedgers (producers): They dislike backwardation. They want to lock in future prices for production, but those contracts trade cheaper. A wheat farmer locking in a harvest sale in 6 months gets less than spot.

Speculators (long positions): They love backwardation. Rolling forward generates gains.

Commodity funds and ETFs: Complex. Roll gains offset by convenience-yield losses in some strategies.

See also