Let's break it down
When you see "BTC/USDT" on an exchange, you're looking at a trading pair. The first part (BTC) is what you're buying or selling. The second part (USDT) is what you're paying with — or receiving.
Think of it like a currency exchange at the airport. If you see EUR/USD = 1.08, it means 1 Euro costs 1.08 US Dollars. Same logic: if BTC/USDT = 67,500, that means 1 Bitcoin currently costs 67,500 USDT.
What is USDT?
USDT (Tether) is a stablecoin — a cryptocurrency designed to always be worth approximately $1 USD. It exists so traders don't need to constantly move money between crypto and their bank accounts. You keep your funds in USDT when you're not in a trade, and you spend USDT when you want to buy something like Bitcoin or Ethereum.
In practice, USDT is the "cash" of the crypto world. Almost every major exchange uses it as the default quote currency. That's why you'll see pairs like ETH/USDT, SOL/USDT, DOGE/USDT — they all work the same way.
Why BTC/USDT specifically?
A few reasons this pair dominates:
- Highest liquidity. More people trade BTC/USDT than any other pair. This means tighter spreads and faster execution. Your orders get filled quickly and at prices close to what you see on screen.
- Benchmark asset. Bitcoin is the reference point for the entire crypto market. When BTC moves, everything else tends to follow. Understanding BTC price action gives you a read on the whole market.
- Stable quote. Because USDT tracks the dollar, the price you see is essentially "Bitcoin in dollars." No need to do mental math converting between two volatile assets.
How to read the BTC/USDT chart
When you open the BTC/USDT market on NexChange, you'll see a live price chart. Here's what the key numbers mean:
- Last Price: The most recent price at which a trade happened. This is what most people refer to as "the price of Bitcoin."
- 24h Change: How much the price has moved in the last 24 hours, shown as a percentage. Green means up, red means down.
- 24h Volume: The total amount of BTC traded in the last 24 hours. Higher volume generally means more reliable price movements.
Your first BTC/USDT trade
Let's say BTC/USDT is at $67,500 and you want to buy. You don't need to buy a whole Bitcoin — you can buy a fraction. Want to practice with $100 worth? You'd buy approximately 0.00148 BTC.
On NexChange, you start with $200,000 in demo USDT. That's enough to practice every kind of trade without worrying about making mistakes. The prices are real (pulled live from Binance), but the money isn't.
This is exactly how professional traders learn. They study the market, place orders on a simulator, track their results, and only go live once they're consistently profitable in demo mode.
One thing to keep in mind
BTC/USDT is beginner-friendly because it's simple and liquid, but don't mistake simplicity for predictability. Bitcoin can move 5-10% in a single day. That's why practicing on a demo account matters — you get to experience real volatility without the financial pain.