What is zaif Air FX?

EPS makes added cover unnecessary and prevents losses exceeding deposits
AirFX Deviation Reduction Mechanism

What is Air FX?

AirFXは現物取引ではなく、レバレッジをかけて取引ができるため、「AirFight(空中戦) Exchange」の意味で名付けられました。
AirFX is a derivative product resembling typical futures but it does boast some key differences.

  1. Settlements are not executed according to time limits on AirFX. (Indefinite)
  2. Futures are traded at a price different from the spot price, but AirFX is capable of trading in the same manner as spot leverage trading, at prices that are close to the spot price.
  3. AirFX has a built-in mechanism to ensure the trade price is as close as possible to the spot price, in which swap fees are generated between users at fixed intervals (funding), based on the deviation from the Zaif spot price.

Additionally, because they are not spot trades, mid-trade Bitcoin transfers and closing by position spot (actual receipt/actual delivery) are not possible.

Making AirFX Trades

  1. AirFX取引画面へはOrderbook tradingから次の通りお進みください。
  2. Orderbook trading→Currency Selection button→Currencies→AirFX




この仕組みをEPS(Early Profit Settlement)と呼び、全てのお客様に対して追加証拠金(以下「追証」といいます。)を発生させないための仕組みとして導入しています。この仕組みにより、AirFX取引においては、お預かりした証拠金を超える損失は発生しません。




The deviation reduction mechanism provided by AirFX

AirFX has a built in mechanism to ensure the trade price is as close as possible to the spot price, in which swap fees are generated between users at fixed intervals, based on the deviation from the Zaif spot price.
Swap points are paid from positions attempting to expand a deviation against positions trying to rectify a deviation.
Daily swap fees will be charged to both buyer and seller only when the deviation is designed to be higher the larger it gets, and there is no deviation.



Usage Conditions

  • Completion of identity verification
  • The account balance that can be secured as margin.
  • Please read Terms of Use for AirFX, and understand risks and agree to the terms of Use.


Trading Fee

(BTC/JPY) Maker fee: 0% Taker fee: 0%

Daily fee 0.039% of the open contract amount per day.
*Daily Fee = price rate at the point of fee charge × total order amount × fee rate
Swap fee AirFX trades will incur swap fees if the AirFX price deviates from the spot price.
Swap points are settled at two-hour intervals on even hours (0:00, 2:00, 4:00, etc.).
paid from positions attempting to expand a deviation against positions trying to rectify a deviation,
Daily swap fees will be charged to both buyer and seller only when the deviation is designed to be higher the larger it gets, and there is no deviation.
When Deviation Is Greater
Buy swap rate = (1 - buy board average price / index price)×100
Sell swap rate = (1 - buy board average price / index price)×100×(-1)
When Deviation Is Less
Buy swap rate = (1 - sell board average price / index price)×100
Sell swap rate = (1 - sell board average price / index price)×100×(-1)
The assignment of Swap Handling Fees to positions is done as a result of trades between customers - Zaif does not intervene in this assignment.
We give Swap fee sequentially, and it may take time depending on the situation. Please liquidate after confirming that you have gotten swap fee.


The margin required fluctuates depending on the market trading situation, and the amount required is in accordance with the size of the order and the leverage.
In addition, when the Japanese yen balance is insufficient at the time of the order and the balance of BTC, XEM, or MONA is sufficient, we will automatically deposit BTC, XEM, or MONA as the margin in accordance with the rate.

約定金額 100,000円 x 数量 2btc x 証拠金率 50% = 必要証拠金 100,000円


In order to prevent a loss from growing, if the margin rate falls below 30%, the loss cut is applied and there is a forced settlement of the held position.
Especially when trading with high leverage, the risk of loss-cutting due to severe price fluctuations naturally increases accordingly. In particular when the spread is large, or when the market price is fluctuating wildly, there is a danger of being subject to immediate loss-cutting and suffering unexpected losses, so please bear this fully in mind when trading.
In addition, the loss-cutting margin rate is not decided based on the final trading price, but the ratio is calculated by considering the order situation of the board.

If losses exceed the deposit

Even if a loss in excess of the margin occurs at the time of settlement due to sudden changes in the market, etc., due to the EPS (Early Profit Settlement) mentioned above, the shortfall is not collected from the balance of the customer account,
With spot leverage in margin trading, customers do not suffer losses in excess of their account balance thanks to the margin call guard system, but trading cannot resume unless the balance is restored.
In contrast, such a restriction does not apply to futures trading using EPS, and customers can trade within the margin.

However, EPS is no more than a mechanism to prevent losses occurring in excess of the margin in futures trading transactions. So please be aware that there is a possibility that after futures trades are settled, other leveraged trading may become a factor leading to an account going into the red.

Magnification of leverage


trade expiration date

AirFX expiration dates are not established in advance.

How to settle the Air FX trading

The closing method for AirFX trades is a margin close, in which only the difference between the "price at time of buy (or sell)" and "price at closing time" is received or delivered.
When AirFX trade orders are closed, the total of the gain/loss and fees are subtracted from your deposit at the same time as returns are paid. If any swap fees have been incurred, they will be collected separately.


Before Air FX trading

  1. 1.Complete identity verification (both phone number approval and identification documents), then log in *Please read here about identity verification
  2. 2.Deposit the Japanese yen required for the margin.
  3. 3.Please select the AirFX from the cryptocurrency button. Please read through "About AirFX" very carefully, and submit the form once you agree to the content.

Trade flow

  1. 流れ

    ①Even if you have submitted an order, it may be cancelled up until Step②is completed.
    Once Step②is completed, an order cannot be canceled, and you will hold the position until it is closed.

Trade procedure

  1. How to place an order
  2. 1.Check the swap fee.
  3. 2.Enter the price of the open position.
  4. 3.Specify leverage.
  5. 4.Enter the quantity.
  6. 5.Enter your desired reverse trade closing price in the Limit field.
    The figure you enter is your choice, but for reverse trades, you will be required to designate a limit.
  7. 6.Optionally set a stop loss.
  8. 7.Click the Buy Order (or Sell Order) button to confirm the order.
  9. How to check the trade history
  10. 8.注文が確定すると、「板」「アクティブな注文」「未約定注文」にそれぞれ表示されます。↓の詳細ボタンを押下すると、該当の注文内容の詳細を確認できます。
  11. 9.詳細画面では、注文価格、数量、手数料、評価損益、証拠金維持率などが表示されます。
  12. 10.Once you place an order, the contract to buy or sell will be displayed in your Trade History.
  13. Modifying an Order
  14. 11.To modify an existing order, click the "Change Order Price/Limit" button.
  15. 12.To close a trade, enter the limit or stop price of your choice as the closing price, and click the "Update" button.
    *If you have not yet completed a Buy or Sell order, you can change the trading price from the "Order Price" tab on this screen.
  16. Checking Your Trade History
  17. 13.全ての約定が成立すると自動的に決済完了となり、取引履歴に反映されます。
    Trade details can be confirmed by going to "Trade History"→"AirFX Trade History".

About Stop-Losses

Loss-cuts are an essential risk management tool for minimizing your losses each time you trade.
A loss-cut is an action that closes a position and closes its losses to prevent further losses when the market price continues to shift unfavorably.
Setting a stop-loss enables you to close an order without limit when the security reaches a price designated by the market value to automatically cut losses on a held position.
01.Ordered This is the day you started the margin trading order. Fees will be incurred from this date and time.
02.Deposit This is your deposit of margin for making AirFX trades. This deposit will be restricted until you withdraw it or close it out.
03.Leverage レバレッジとは「テコの原理」のことです。小さな力で重いものを動かすのと同じように、「小さな金額でより大きな金額を動かせること」を意味します。
04.fee per day Daily fees are charged once per day.
05.Accrued fees The total fees incurred to date.
06.Swap points Swap fees administered on AirFX
07.Action / Pair The trade category and securities trade names.
08.Price & Amount The price and quantity of an order.
09.Limit price This is the reverse trade price. We designate a price and execute a reverse trade to execute the closing.
10.Stop price If the market price reaches the spot price, the trade can be closed with a market order, automatically loss-cutting the position.
11.Position average price The average price and total quantity of all positions established through AirFX trades.
12.Closed The average price and the total quantity established in the reverse trading order.
13.Profit and Loss It is the amount of profit or loss with reference to the current price from the open position. The loan fee has already been deducted.
14.Profit and loss for deposits It is the profit and loss situation of the deposits. Deposits per currency unit vary depending on how the currency's trading situation changes in accordance with the volume of orders and leverage.
15.Margin rate Margin rate with ± 0 profit and loss of 100%. If it falls below 30%, it will be subject to loss-cutting.