Contract Grade
Contract grade (also known as deliverable grade or par grade) is the specification of the commodity quality, purity, weight, and other physical characteristics that the seller must deliver when fulfilling a futures contract — establishing the reference standard against which all deliveries and price quotations are benchmarked. Deviations from par grade are accommodated through premium or discount adjustments to the contract settlement price.
Key takeaways
- Contract grade ensures standardization — without it, price discovery would be impaired because buyers would not know what quality they are pricing.
- Commodities delivered at above-par grade (higher quality) typically receive a price premium; below-par grade deliveries receive a discount.
- The cheapest-to-deliver (CTD) concept: sellers in futures delivery will select the lowest-cost acceptable grade to deliver against the contract.
- Contract grade specifications are set by exchanges (CME, LME, ICE) and are periodically updated to reflect changes in market supply composition.
- Basis risk arises when the commodity a producer holds or needs differs in grade from the exchange's contract grade.
Explanation
Futures exchanges standardize contract specifications to concentrate liquidity and facilitate price discovery. Contract grade is the cornerstone of this standardization, specifying precisely what physical commodity corresponds to one futures contract. Without such standardization, every futures trade would require negotiation about quality — destroying the interchangeability that makes futures markets liquid.
For crude oil, the New York Mercantile Exchange (NYMEX) WTI (West Texas Intermediate) contract specifies par grade as light sweet crude oil with an API gravity between 37° and 42° and a sulfur content no greater than 0.42% by weight, delivered at Cushing, Oklahoma. Crude oil grades deviating from these specifications are accommodated through exchange-published differentials: Bakken crude with its premium quality (low sulfur, high API) might receive a small premium, while heavier or higher-sulfur grades receive discounts.
For agricultural commodities, grade specifications are set by the USDA. Corn futures traded on the CBOT specify No. 2 Yellow Corn as par grade; No. 1 Yellow earns a 1.5 cent/bushel premium, while No. 3 Yellow receives a 1.5 cent/bushel discount. Wheat contracts specify No. 2 Soft Red Winter Wheat at par for the Chicago contract, but allow delivery of several other classes and grades at established differentials. Producers who grow No. 1 wheat or No. 3 corn must account for this grade differential in their hedging calculations.
Metals futures exhibit extremely precise contract grade specifications. The LME Copper Grade A contract specifies electrolytic tough pitch (ETP) or equivalent cathodes with a minimum purity of 99.9935%. The COMEX Gold futures contract specifies gold with a minimum purity of 0.995 fineness in bars produced by an approved refiner. These precise specifications ensure that physical delivery against futures contracts is commercially practical and legally enforceable.
Example
A soybean farmer in Iowa grows soybeans that grade out as No. 1 Yellow (moisture 12.5%, test weight 61 lbs/bushel, dockage 0.1%). The CBOT Soybean contract specifies No. 2 Yellow as par grade. When the farmer hedges via CBOT futures and eventually delivers against the contract, No. 1 beans receive a premium of 6 cents/bushel over the futures settlement price. If the futures settle at $13.50/bushel, the farmer receives $13.56 for each bushel delivered. Conversely, a farmer delivering No. 3 beans (moisture 14%, dockage 2%) would receive a discount — perhaps $13.50 − $0.06 = $13.44. The farmer must forecast this grade differential when calculating the net realized price from a hedged sale.
Related terms
Agricultural Commodities Bcom Bloomberg Commodity Index Brent Crude Oil Commodity Index Delivery Exchange Futures Contract Gold Hedging Liquidity Metal Commodities Physical Commodity