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Order book definition
An order book is a real-time list of the buy and sell orders waiting at each price for an instrument. It shows the prices and quantities that buyers are bidding and sellers are offering.
The buy side lists bid orders and the sell side lists ask, or offer, orders. The highest bid and the lowest ask form the best available prices, and the gap between them is the spread.
A deep order book holds large volume across many price levels, so big trades fill with little price movement. A thin order book holds little volume, so the same trade can move the price and cause slippage. The order book shows resting orders waiting to trade; the market price shows where trades are actually happening.
Order book Example
A stock shows these best prices in the order book:
Best bid: USD 49.95 Best ask: USD 50.00
To sell immediately, you sell at USD 49.95. To buy immediately, you buy at USD 50.00. The spread is USD 0.05.
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TMGM 集團下的 Trademax Australia Limited 公司（交易名稱為TMGM），是由澳大利亞證券和投資委員（ASIC）監管的金融服務公司，金融服務牌照號為 436416，公司地址為 Level 28, One International Tower, 100 Barangaroo Avenue, 2000 Sydney, NSW Australia.
郵箱：support@tmgm.com.au
TMGM 集團下的 Trademax Global Limited公司（交易名稱為TMGM），是由瓦努阿圖金融服務委員會（VFSC）監管的金融服務公司，金融牌照號為 40356，註冊地址為 1276, Kumul Highway, Port Vila, Vanuatu, Republic of Vanuatu.
郵箱：support@tmgm.com
Trademax Global Markets (SE) Limited, trading as TMGM, is authorized and regulated by the Financial Services Authority (FSA) of Seychelles, with license number SD224. The company is registered at Office No 13, Providence Estate ABIS Centre, Mahe, Seychelles.
Email: support@tmgm.com
TMGM集團下的Trademax Global Markets (International) Pty Ltd公司（交易名稱為TMGM）,是由毛里求斯金融服務委員會監管的金融服務公司. 牌照號為 GB22201012，註冊地址為33, Edith Cavell Street C/o IQ EQ Fund Services (Mauritius) Ltd Port Louis, 11324 Mauritius.
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