What is spread?Spread

Three currencies (dollar, euro, yen) and three exchange rates. If the third rate doesn't line up with the other two, going once around the triangle leaves you with extra money.

Holding a CFD overnight means paying (or receiving) a financing fee. The longer you hold, the less you can ignore it.

Shorting a CFD is as easy as going long: if you're bearish, sell to open, and profit when the price falls.

You don't buy the asset itself. You simply agree with the platform to settle the price difference between opening and closing.

Buying crypto with USDT on an exchange: a market order fills right away but costs more in fees and may slip; a limit order is cheaper but might not fill.

Why are you down the moment you open a trade? Watch Buy fill at the Ask and Sell fill at the Bid in real time, and see the spread widen at different times of day.

First decide the most you'll lose on this trade, then work back to the lot size from the stop distance. That's the heart of risk control.

There are often several ETFs tracking the same index. Compare fees, tracking difference, fund size and bid-ask spread, and work out which is cheaper for long-term holding vs. frequent trading.

That big T-shaped table in your trading app: strikes in the middle, calls on the left, puts on the right, each cell with a bid and an ask. Learn to pick out the contract you want.

A strategy that returns 15% a year in a backtest may have nothing left after fees and slippage. The more you trade, the more costs eat.

Everyone's buy and sell orders sit in a single table. Follow the guided tour and read it line by line.