Price difference: buying and selling two different futures contracts at the same time. Traders buy contracts that they think are "cheap" and sell those "high-priced" contracts at the same time, benefiting from the fluctuation relationship between the prices of the two contracts. Hedging refers to futures contracts that enterprises choose to avoid foreign exchange risk, interest rate risk and commodity price risk. The principle of the same or similar month requires investors to hedge.

1. Blockchain is indeed the general trend. Investing in blockchain can be carried out in the following aspects: 1, entering the blockchain industry. 2. Half of the blockchain is digital currency market, with various digital currency such as Bitcoin, Ethereum and Litecoin.

Second, the currency circle contract can be played, but the currency circle does not recommend newcomers to play the contract, mainly because Xiaobai has not experienced the ups and downs of the currency circle and his psychological endurance is limited.

To make a contract, first of all, you should be steady. Don't be like a headless fly after losing money. You should learn to make a comeback and sum up the lessons. Secondly, don't be too greedy, and know how to switch packages for safety; Know how to stop loss in time and don't operate against the trend. Fourth, watch more and move less when sideways. Find a suitable inventory location to enter the site. There is a trick. If the index has fallen for a long time and is currently in a sideways period, the index has been unable to fall to the previous low point, indicating that the previous low point is a support level and an opportunity to do more; When it goes up, it is also an opportunity to short.

Third, arbitrage is also called "interest arbitrage". There are two main forms:

(1) No arbitrage. That is, using the interest rate difference between the capital markets of the two countries, short-term funds will be transferred from the low interest rate market to the high interest rate market to obtain spread income.

(2) arbitrage. That is to say, the arbitrageurs use forward foreign exchange transactions to avoid the risk of exchange rate changes while transferring short-term funds from place A to place B for arbitrage. Arbitrage will change the relationship between supply and demand in different capital markets, make the short-term capital interest rates in different places tend to be consistent, narrow the difference between the recent exchange rate and the forward exchange rate of money, and keep the interest rate difference in the capital market in balance with the exchange rate difference in the foreign exchange market, thus objectively strengthening the integration of international financial markets.