Attention - Important Notice

In accordance with our Terms of Service:
  • Persons that are at any time located in or a resident of the United States of America or Québec (Canada) are prohibited from holding positions or entering into contracts at BitMEX.
  • Persons that are at any time located in or a resident of Cuba, Crimea and Sevastopol, Iran, Syria, North Korea and Sudan, or any other jurisdiction where the services offered by BitMEX are restricted, are prohibited from holding positions or entering into contracts at BitMEX.
  • BitMEX reserves the right to immediately close the accounts and to liquidate the open positions of persons determined to have breached our Terms of Service.
AllXBTUSD4490.0-3.91%XBTH194463.5-3.81%XBTZ184462.0-4.00%XBT7D_U1050.00026-62.32%XBT7D_D950.01424+3.79%ADAZ180.00001023-1.45%BCHZ180.0504-2.14%EOSZ180.0008205+0.48%ETHUSD133.55-5.25%ETHZ180.02933-1.15%LTCZ180.00732-0.68%TRXZ180.00000318-1.24%XRPZ180.00009528+1.58%.BXBT4491.86-3.99%.BETH133.46-5.21%.BVOL24H9.45+10.40%Funding: 03:38:04 @ -0.0657%Time: 4:21:55 PM
Risk Limits

Overview

BitMEX imposes risk limits on all trading accounts to minimise the occurrence of large liquidations on margined contracts.

As users amass larger positions, they pose a risk to others on the exchange who may experience a deleveraging event if the position cannot be fully liquidated. The Step model helps avoid this by increasing margin requirements for large positions.

Dynamic Risk Limits

Each instrument has a Base Risk Limit and Step. These numbers combined with the base Maintenance and Initial Margin requirements are used to calculate your full margin requirement at each position size.

As the position size increases, the maintenance and initial margin requirements will increase. Users must authorize a higher or lower risk limit on the Positions panel. Margin requirements will automatically increase and decrease as your risk limit changes.

Instrument Risk Limits

Symbol Base Risk Limit Step Base Maintenance Margin Base Initial Margin
XRPZ18 50 XBT 50 XBT 2.50% 5.00%
BCHZ18 50 XBT 50 XBT 2.50% 5.00%
ADAZ18 50 XBT 50 XBT 2.50% 5.00%
EOSZ18 50 XBT 50 XBT 2.50% 5.00%
TRXZ18 50 XBT 50 XBT 2.50% 5.00%
XBTUSD 200 XBT 100 XBT 0.50% 1.00%
XBTZ18 200 XBT 100 XBT 0.50% 1.00%
XBTH19 200 XBT 100 XBT 0.50% 1.00%
ETHUSD 50 XBT 50 XBT 1.00% 2.00%
ETHZ18 50 XBT 50 XBT 1.00% 2.00%
LTCZ18 50 XBT 50 XBT 1.50% 3.00%

Formulas

Term Formula XBTUSD Example (1 Step)
New Maintenance Margin % Base MM % + ( Steps * Base MM % ) 0.50% + ( 1 * 0.50% ) = 1.00%
New Initial Margin % Base IM % + ( Steps * Base MM % ) 1.00% + ( 1 * 0.50% ) = 1.50%
XBT Maintenance Margin New MM * Gross XBT Position Value 1.00% * 300 XBT = 3 XBT

More Information

Further information is available on:

  • How to Adjust Risk Limits
  • Trade Examples