【掛單費】Maker fees are paid when you add liquidity to our order book by placing a limit order below the ticker price for buy, and above the ticker price for sell. Maker就是【造市】者,指提供深度的人,有寫到 order book 的掛單。一筆不會和已掛之委託馬上成交的委託時,這筆委託就會被加入到交易所的(Orderbook)裡,也會為交易所提供市場深度。則下這筆造市委託單的Maker,在其委託成交時,有些交易所還會付一筆所謂的Maker fees掛單費。
【吃單費】Taker fees are paid when you remove liquidity from our order book by placing any order that is executed against an order on the order book. If you buy or sell using a market order, you will pay the taker fee because a market order immediately removes liquidity (other traders' offers) from the order book. Taker反過來,就是吃掉深度的人,將order book 上的掛單成交掉的。如果你的委託會和已有的委託馬上成交,那麼你的委託會“拿走”深度。這個委託會被正常收手續費,其中的一部分反給上述的Maker。
If you place a limit buy below the current market price, or a limit sell above the current market price, then you will pay the maker fee if the market moves into your limit order because you added liquidity to the order book, while other traders took your offer from the order book.
If you place a hidden order(市價單), you will always pay the taker fee. If you place a limit order that matches a hidden order, you will always pay the maker fee.
交易所的交易市場匹配機制採用與其他主流交易所類似的方式。在交易所開張之初,為了推廣,將免除交易手續費。推廣期過去之後,交易手續費將採用“Maker-Taker”模式,「造價─受價制」,類似於OKCoin國際站,成交單的下單者將支付該筆交易成交總量的0.25%作為手續費,而被成交單的下單者將不會承擔費用。手續將在成交時立即生成,且一張訂單可以同時是成交單和被成交單(由於部分成交的存在)。對於Coinbase以及交易所的帳戶之間的資金流動是不需要任何費用的,但由於銀行帳戶和Coinbase帳戶之間的資金對轉需要1%的手續費,所以目前尚不清楚提現具體需要多少手續費(如果長期存在Coinbase帳戶中,則不需要任何手續費,且Coinbase與許多商家有合作,可直接使用Coinbase帳戶購買這些商家的產品)。
【例】假設:現在1個幣市場價2499元,
A想賣100個幣,他不是很急。他決定(limit sell)以2500的價格賣。所以他可以掛Maker的委託。如果他在免費交易所,那他賣掉後只可以拿到價金25萬。如果市在有Maker fees/Taker fees的交易所,則成交後除了價金25萬,還可以拿到再收入所謂的Maker fees(如:0.05%)125元。
B想買100個幣。急著想馬上買到。若在一個無手續費,但深度不高的交易所的深度每隔一塊錢只有10個BTC的深度(如下)。則,B的購買成本是25萬加Taker fees(如下表)450元。
價格 數量(BTC) 購買成本:
2509 10 25090
2508 10 25080
2507 10 25070
2506 10 25060
2505 10 25050
2504 10 25040
2503 10 25030
2502 10 25020
2501 10 25010
2500 10 25000
總和 100 250450
如果給Taker fees的交易所,雖然Taker有千分之一的手續費,如果深度夠,B直接用2500買到A賣的100個BTC。B的購買成本是25萬加250元。單筆交易比上面便宜了200元。B應該在哪裡買這100個幣。
這就是為什麼Maker & Taker對雙方都有吸引力。其中市場深度是關鍵。
For example:
If the current market/ticker price is $2000 for 1 BTC and you market buy bitcoins starting at the market price of $2000, then you will pay the taker fee. In this instance, you have taken liquidity/coins from the order book.
If the current market/ticker price is $2000 for 1 BTC and you place a limit buy for bitcoins at $1995, then you will pay the maker fee IF the market/ticker price moves into your limit order at $1995.

【出處】https://support.bitfinex.com/hc/en-us/articles/213919589-What-are-the-fees-you-charge-
http://www.wanbizu.com/baike/201501274650.html
http://www.wanbizu.com/jingyan/201409272768.html
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