{
  "id": "9cf3965a-5ef6-5c12-a1b8-0aa6c214311c",
  "slug": "commodity-swap",
  "term": "Commodity Swap",
  "aliases": [],
  "category": "Derivatives & Options",
  "category_slug": "derivatives-options",
  "difficulty": "intermediate",
  "definition": "A commodity swap is an over-the-counter derivative contract in which two counterparties exchange cash flows based on the price of a physical commodity — typically with one party paying a fixed price and the other paying a floating price tied to a market index or spot price — used primarily by producers and consumers to lock in commodity prices and hedge against market volatility.",
  "key_takeaways": [
    "The fixed-for-floating structure allows producers to lock in revenue and consumers to lock in costs, converting uncertain commodity cash flows into predictable ones.",
    "Commodity swaps are typically cash-settled against an agreed price index (e.g., NYMEX WTI average, LME copper average) rather than involving physical delivery.",
    "Under Dodd-Frank, commodity swaps must generally be reported to a swap data repository and, if standardized, must be centrally cleared through a CFTC-regulated derivatives clearing organization.",
    "The swap price (fixed leg) reflects the market's expectation of the commodity's average price over the swap term, adjusted for convenience yield, storage costs, and risk premium.",
    "Basis risk — the difference between the swap's reference price and the actual commodity price at the hedge's location or specification — is a key residual risk."
  ],
  "detailed_explanation": "The mechanics of a commodity swap parallel those of an interest rate swap, substituting a commodity reference price for an interest rate index. In a standard fixed-for-floating oil swap, the producer (natural short of oil price risk) agrees to pay floating (receive whatever WTI averages over the swap period) and receive a fixed price agreed at inception. The consumer (an airline or refiner, natural long of oil price risk) takes the opposite side — paying fixed and receiving floating. Neither party necessarily deals in physical oil under the swap; net cash settlement occurs periodically (monthly, quarterly) based on the difference between the fixed and realized floating price.\n\nThe fair value of the fixed leg (the swap price) at inception sets the NPV of the swap to zero. It equals the average of futures prices across contract months spanning the swap tenor, adjusted for the convexity of the payoff distribution (a small convexity adjustment analogous to the adjustment in interest rate swaps). This average futures price already incorporates market expectations about the commodity term structure — whether markets are in contango or backwardation — cost of carry, and supply/demand fundamentals.\n\nCommodity swaps can be structured with varying complexities. Asian commodity swaps pay based on the arithmetic average of daily settlement prices over the accrual period, rather than a single end-of-period price — this structure naturally reduces hedging costs for companies whose commodity exposure is spread over a month rather than concentrated at a point. Participating swaps allow one counterparty to participate in some proportion of favorable price moves while still receiving downside protection, at the cost of a worse fixed price.\n\nSince Dodd-Frank reclassified most commodity swaps as 'swaps' under CFTC jurisdiction, the market has become more transparent. Standardized commodity swaps traded between major market participants are subject to mandatory central clearing and exchange trading where liquidity exists. However, a large portion of commodity swaps — particularly those with customized notional amounts, exotic reference prices, or long tenors — remain bilateral OTC instruments, subject to bilateral collateral agreements (typically under ISDA CSA documentation).",
  "example": "A copper mining company expects to produce 50,000 metric tons of copper over the next 12 months. To lock in a price, it enters a 12-month commodity swap with a bank, agreeing to pay the monthly LME copper spot average and receive a fixed price of $8,500/metric ton. Notional: 50,000 MT × $8,500 = $425 million. After six months, LME copper has risen to average $9,200/metric ton. The company pays the bank $9,200 but receives $8,500, netting a monthly loss on the swap of $700 × (50,000/12) = $2.92 million — but its actual copper sales occur at $9,200, fully offsetting the swap loss. Conversely, if copper fell to $7,800, the swap would pay out $700/MT × 4,167 MT = $2.92 million/month, offsetting lower physical sales revenue.",
  "formula": "Swap Payoff (Floating Receiver) = (Floating Price − Fixed Price) × Notional Quantity",
  "formula_latex": null,
  "interactive_type": "calculator",
  "calculator_id": null,
  "related_terms": [
    "backwardation",
    "binomial-tree-model",
    "cash-settlement",
    "clearing",
    "contango",
    "contract-month",
    "convexity",
    "convexity-adjustment",
    "cost-of-carry",
    "covered-call",
    "exchange",
    "futures-price",
    "hedging",
    "interest-rate",
    "interest-rate-swap"
  ],
  "backlinks": [
    "mixed-swap",
    "notional-value",
    "rho",
    "speculative-limit"
  ],
  "cross_references": [
    "backwardation",
    "cash-settlement",
    "clearing",
    "contango",
    "convexity",
    "convexity-adjustment",
    "cost-of-carry",
    "exchange",
    "futures-price",
    "hedging",
    "interest-rate",
    "interest-rate-swap",
    "liquidity",
    "mining",
    "netting",
    "physical-commodity",
    "settlement",
    "spot-price",
    "swap",
    "volatility"
  ],
  "tags": [
    "level:intermediate",
    "cat:derivatives-options"
  ],
  "asset_classes": [
    "derivatives"
  ],
  "regulators": [],
  "see_also": [],
  "sources": [],
  "wordcount": 678,
  "checksum": "d0c558b593d10c8d",
  "version": "2026.05.03",
  "license": "CC-BY-4.0",
  "updated_at": "2026-09-07T02:15:24+00:00",
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}