That is, after the import contract is signed, buy five Canadian dollar futures contracts in the futures market.

In the spot market, due to the appreciation of the Canadian dollar, the amount of US dollars paid to 500,000 Canadian dollars has increased: 500,000/1.19-500,000/1.2 = 350 1.40 US dollars.

In the futures market, the position was closed in September and the margin was recovered. Due to the appreciation of the Canadian dollar, the profit was 500,000 * (0.8520-0.8450) = 3,500 USD.

Achieve the purpose of preserving value.