1，What is contract?
Contracts can reflect the price changes of the unified subject matter and provide the profit or loss caused by price changes without actually having a unified target. Contracts are traded on margin, and profit or loss is determined by your buying and selling prices. the contract has many advantages over traditional stock trading.
2，The Basics of contract.
Predicting the rise in the price of the cryptocurrency → LONG → Earning the gains from the rise
Predicting the decline in the price of the currency → SHORT → Earning the gains from the decline
Briefly, if you LONG, you will earn if the price of the currency rises after opening the position, and if it falls, you will lose money;
On the other hand, if you SHORT, you will earn if the price of the currency falls after opening the position. If it rises, you will lose money.
Income calculation formula:
Long: ( closing price/ opening price - 1 ) x leverage x margin
Short: (1 - closing price / opening price) x leverage x margin
3，The Fee Instructions
Transaction fee: For each transaction, 0.1% of the transaction amount is charged as the transaction fee, and no additional handling fee is charged for opening the position;
Funding rate: At 0:00, 8:00, 16:00 every day, the transaction user is charged a fee/reward calculation (total transaction x capital rate), and the collection is unified when closing the position.