If you’re getting into BTC/USDT trading in Cambodia, one of the most useful tools you can learn is the order book. Most beginners jump straight into charts, indicators, and candlestick patterns. While those are important, the order book shows you something charts can’t: real-time buying and selling pressure.
Think of it as a window into what traders want to do right now. It shows where people want to buy, where they want to sell, and how much volume sits at each price level. Once you learn how to read it, you can anticipate moves before they appear on the chart.
In this article, you’ll learn what an order book is, how it works, and how you can use it to make smarter BTC/USDT trading decisions.
What Is an Order Book?
An order book is a live, constantly updating list of all buy and sell orders on an exchange.
It has two sides:
- Bids → Traders who want to buy BTC at a certain price (demand)
- Asks → Traders who want to sell BTC at a certain price (supply)
The order book updates in real time. When a buyer agrees to pay the price a seller wants—or vice versa—the trade happens instantly, and the values shift again.
For BTC/USDT, this moves fast because millions of traders worldwide are buying and selling 24/7.
Key Parts of the Order Book
1. Bid Prices (Buy Orders)
This is where traders are waiting to buy BTC. Bid prices are usually below the current market price, because buyers want to get BTC as cheaply as possible.
2. Ask Prices (Sell Orders)
This is where traders are waiting to sell BTC. Ask prices are above the market price, because sellers want to get more USDT for their BTC.
3. Order Size (Volume)
This shows how much BTC traders want to buy or sell at each level. Large volumes at a certain price often create psychological barriers.
4. Spread
This is the difference between the highest bid and the lowest ask. A small spread usually means high liquidity, especially common in BTC/USDT trading.
Why Order Books Matter in BTC/USDT Trading
Order books reveal real-time intentions of market participants.
Charts show you the past.
Order books show you what traders want now.
When you’re trading BTC/USDT in Cambodia—especially on local-friendly platforms like Binance, Bybit, or OKX—learning the order book can help you:
- Identify strong support and resistance
- Anticipate price jumps or drops
- Avoid buying into heavy sell pressure
- Enter trades with better timing
How to Use an Order Book to Predict Price Movement
1. Spotting Buy Walls and Sell Walls
A buy wall happens when there is a huge amount of USDT waiting to buy BTC at a specific price.
Example:
A buy wall of 150 BTC at $90,000.
This acts like a temporary floor—price tends to bounce off it unless large sellers push through.
A sell wall is the opposite: large volumes waiting to sell BTC.
Example:
A sell wall of 200 BTC at $92,000.
This can slow down upward movement.
Why this matters:
Walls act like support and resistance. If you see a massive buy wall below the price, you may avoid selling too early. If you see a big sell wall above, you may avoid buying into resistance.
2. Watching for Liquidity Gaps
A liquidity gap is an area in the order book where there are very few buy or sell orders.
When BTC enters a gap, the price can move very fast because there is nothing to stop it.
These gaps can cause:
- Quick pumps
- Sudden drops
- Volatility spikes
If you are trading BTC/USDT, entering a trade during a liquidity gap can be risky unless you know what you’re doing.
3. Identifying Spoofing (Fake Walls)
Some traders place huge fake orders to manipulate the market.
For example:
- A big sell wall appears
- Traders panic and sell
- The wall disappears
- Price goes up
This behaviour is called spoofing, and while most exchanges try to discourage it, it still happens.
How to spot it:
If a large wall appears suddenly and disappears just as fast, it was never meant to be executed.
4. Tracking Market Pressure
If you see more aggressive market buys hitting the ask side, it suggests strong upward pressure. If more market sells are hitting the bid side, downward pressure increases.
This is often more useful than indicators because it shows immediate momentum.
Tips for Beginners in BTC/USDT Trading in Cambodia
If you’re new to reading order books, here are simple habits to build:
- Check the order book before entering a trade
Look for walls, gaps, or suspicious activity.
- Don’t chase price during heavy sell pressure
If there is a huge sell wall above, consider waiting.
- Use order book information along with chart analysis
Neither tool is perfect alone.
- Start with small positions
Crypto moves quickly; practice reading market depth before trading big.
- Use platforms with clear order book displays
Binance, Bybit, OKX, and Bitget all offer clean interfaces suitable for beginners in Cambodia.
Final Thoughts
Order books are one of the most powerful trading tools—yet one of the most overlooked by beginners. By learning how to read buy walls, sell walls, spoofing, liquidity gaps, and market pressure, you can make better decisions and avoid trading blindly.
Whether you’re scalping, day trading, or long-term investing, understanding the order book adds an extra layer of insight to BTC/USDT trading in Cambodia.
