To better serve our valued margin users, protect their assets, and to prevent the liquidation that might possibly occur due to the fluctuation of price in a single exchange, KuCoin has developed a spot index denominated in BTC which could be used on all crypto assets in margin markets, to maintain the fair of market.

For each cryptocurrency, KuCoin collects corresponding trading pairs from worldwide exchanges with the best market depth as index constituents. When the adopted trading pairs cannot meet the requirements or there appear trading pairs with better market depth, KuCoin will timely update them.

KuCoin also designed a mechanism to filter abnormal constituents, to make sure the fair market.

Spot index calculation rules:

  1. KuCoin will collect the latest quotes from all constituents every 5 seconds.
  2. If the constituent is not a BTC trading pair, for example, an USDT trading pair, then it will be converted to BTC based on the latest mark price of USDT/BTC.
  3. How to get the number of constituents that successfully obtained price                                                3.1 If the number is equal to or above 1, then the median will be used as the index price                    3.2 If the number is 0, then the index price will be empty

The mark price of a crypto asset is based on its spot index price. 

Mark price calculation rules:

  1. If the spot index is not empty, then the mark price = spot index price
  2. If the spot index calculation fails (for example, the index component exchange quotation fails or is abnormal), the mark price will smoothly transition to the average filled price on our exchange. When the spot index recovers, the mark price will again smoothly transition to the spot index price.

To calculate the debt ratio of the margin account under cross margin mode, KuCoin will refer to the mark price of assets, which is to convert all the assets and debts in the margin account into BTC based on corresponding mark price, and then calculate the debt ratio.  

By August 2, 2020, the referenced trading pairs for the spot index in KuCoin’s margin market are indicated in the table below:

Currency Exchange Constituent
ADA
OKEx ADA-BTC
Binance ADA-BTC
Huobi ADA-BTC
KuCoin ADA-BTC
ATOM
OKEx ATOM-BTC
Binance ATOM-BTC
Huobi ATOM-BTC
Poloniex ATOM-BTC
KuCoin ATOM-BTC
BCHABC
OKEx BCHABC-BTC
Binance BCHABC-BTC
Huobi BCHABC-BTC
Poloniex BCHABC-BTC
KuCoin BCHABC-BTC
BCHSV
OKEx BCHSV-BTC
Huobi BCHSV-BTC
Poloniex BCHSV-BTC
KuCoin BCHSV-BTC
DASH
OKEx DASH-BTC
Binance DASH-BTC
Huobi DASH-BTC
Poloniex DASH-BTC
KuCoin DASH-BTC
EOS
OKEx EOS-BTC
Binance EOS-BTC
Huobi EOS-BTC
Poloniex EOS-BTC
KuCoin EOS-BTC
ETC
OKEx ETC-BTC
Binance ETC-BTC
Huobi ETC-BTC
Poloniex ETC-BTC
KuCoin ETC-BTC
ETH
OKEx ETH-BTC
Binance ETH-BTC
Huobi ETH-BTC
Poloniex ETH-BTC
KuCoin ETH-BTC
KCS
KuCoin KCS-BTC
KuCoin KCS-USDT
KuCoin KCS-ETH
LTC
OKEx LTC-BTC
Binance LTC-BTC
Huobi LTC-BTC
Poloniex LTC-BTC
KuCoin LTC-BTC
LUNA
Huobi LUNA-BTC
Huobi LUNA/USDT
KuCoin LUNA-BTC
KuCoin LUNA/USDT
TRX
OKEx TRX-BTC
Binance TRX-BTC
Huobi TRX-BTC
Poloniex TRX-BTC
KuCoin TRX-BTC
USDT
OKEx USDT-BTC
Binance USDT-BTC
Huobi USDT-BTC
Poloniex USDT-BTC
KuCoin USDT-BTC
VET
Binance VET-BTC
Huobi VET-BTC
KuCoin VET-BTC
XLM
OKEx XLM-BTC
Binance XLM-BTC
Huobi XLM-BTC
KuCoin XLM-BTC
XRP
OKEx XRP-BTC
Binance XRP-BTC
Huobi XRP-BTC
Poloniex XRP-BTC
KuCoin XRP-BTC
XTZ
OKEx XTZ-BTC
Binance XTZ-BTC
Huobi XTZ-BTC
KuCoin XTZ-BTC
ZEC
OKEx ZEC-BTC
Binance ZEC-BTC
Huobi ZEC-BTC
Poloniex ZEC-BTC
KuCoin ZEC-BTC
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