Heating oil, namely No.2 fuel oil, has a yield of 25%, which is the second largest refined oil after gasoline. The trading unit of heating oil futures contract is 42,000 gallons per lot (1000 barrels), and the delivery place is new york Port, the financial center of the United States. At the same time, the exchange also introduced options trading, options spread trading, refined margin options trading and average price options trading, which provided greater flexibility for market participants to manage price risks. The heating oil futures contract can also be used as a hedging tool for diesel oil and jet fuel, and the delivery method is cash delivery, that is, the heating oil futures price premium delivery in NYMEX. Through the Clear Port system of NYMEX, heating oil swap futures trading based on refining gross profit, regional price difference and the price difference between new york Port heating oil and aviation fuel and diesel oil can also be completed. These transactions are over-the-counter transactions and are cleared through the clearing website of NYMEX Clear Port.