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Risk & Open Interest 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.

Static Risk Limits

We apply static position size limits to some contracts on an ad hoc basis as either a total notional size or percentage of total OI, for some of our users.

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
XRPUSDT 1,000,000 USDT 1,000,000 USDT 0.50% 1.00%
SOLUSD 50 XBT 50 XBT 0.50% 1.00%
DOGEUSD 50 XBT 50 XBT 0.50% 1.00%
KLAYUSDT 1,000,000 USDT 1,000,000 USDT 0.50% 1.00%
XRPUSD 50 XBT 50 XBT 0.50% 1.00%
DOGEUSDT 1,000,000 USDT 1,000,000 USDT 0.50% 1.00%
SOLUSDT 1,000,000 USDT 1,000,000 USDT 0.50% 1.00%
PENGUUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
HYPEUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
MOVEUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
FLOKIUSDT 250,000 USDT 250,000 USDT 1.00% 2.00%
PIUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
CATUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
BCHUSD 50 XBT 50 XBT 1.00% 2.00%
BRETTUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
SOLVUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
PEPEUSDT 1,000,000 USDT 1,000,000 USDT 1.00% 2.00%
BCHUSDT 1,000,000 USDT 1,000,000 USDT 1.00% 2.00%
VVVUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
JUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
BERAUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
BNBUSD 50 XBT 50 XBT 1.00% 2.00%
SHELLUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
DOGSUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
GPSUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
USUALUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
GOATUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
WLDUSD 50 XBT 50 XBT 1.00% 2.00%
REDUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
DUCKUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
BIOUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
VELOUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
RAYUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
AIXBTUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
APUUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
TSTUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
HIVEUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
FARTCOINUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
KAITOUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
CHILLGUYUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
AI16ZUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
JAILSTOOLUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
LINKUSD 50 XBT 50 XBT 1.00% 2.00%
LINKUSDT 1,000,000 USDT 1,000,000 USDT 1.00% 2.00%
APTUSD 50 XBT 50 XBT 1.00% 2.00%
VINEUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
ACTUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
BROCCOLIUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
PNUTUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
1000000MOGUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
IPUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
MEUSDT 5,000 USDT 5,000 USDT 1.00% 2.00%
BNBUSDT 1,000,000 USDT 1,000,000 USDT 1.00% 2.00%
PEPEUSD 50 XBT 50 XBT 1.00% 2.00%
NEARUSD 50 XBT 50 XBT 1.50% 3.00%
APEUSDT 1,000,000 USDT 1,000,000 USDT 1.50% 3.00%
BLURUSD 50 XBT 50 XBT 1.50% 3.00%
ADAUSD 50 XBT 50 XBT 1.50% 3.00%
APTUSDT 1,000,000 USDT 1,000,000 USDT 1.50% 3.00%
NEARUSDT 1,000,000 USDT 1,000,000 USDT 1.50% 3.00%
SUIUSDT 1,000,000 USDT 1,000,000 USDT 1.50% 3.00%
SHIBUSD 50 XBT 50 XBT 1.50% 3.00%
DOTUSD 50 XBT 50 XBT 1.50% 3.00%
POLUSDT 1,000,000 USDT 1,000,000 USDT 1.50% 3.00%
ADAUSDT 1,000,000 USDT 1,000,000 USDT 1.50% 3.00%
SHIBUSDT 1,000,000 USDT 1,000,000 USDT 1.50% 3.00%
TRXUSDT 1,000,000 USDT 1,000,000 USDT 1.50% 3.00%
TRXUSD 50 XBT 50 XBT 1.50% 3.00%
BLURUSDT 1,000,000 USDT 1,000,000 USDT 1.50% 3.00%
DOTUSDT 1,000,000 USDT 1,000,000 USDT 1.50% 3.00%
EOSUSD 50 XBT 50 XBT 1.50% 3.00%
SUIUSD 50 XBT 50 XBT 1.50% 3.00%
GMTUSD 50 XBT 50 XBT 1.50% 3.00%
TIAUSDT 1,000,000 USDT 1,000,000 USDT 1.50% 3.00%
DYMUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
AEVOUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
MEMEUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
PYTHUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
100BONKUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
ENAUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
TRUMPOFFICIALUSDT 5,000 USDT 5,000 USDT 2.00% 4.00%
MYROUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
WLDUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
BOMEUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
ZKUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
WIFUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
WOOUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
NOTUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
MEMEMEXTUSDT 1,000,000 USDT 1,000,000 USDT 2.00% 4.00%
XAUTUSD 25 XBT 25 XBT 2.00% 4.00%
ONDOUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
STRKUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
XAIUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
INJUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
TNSRUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
PIXELUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
ZROUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
JUPUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
MELANIAUSDT 5,000 USDT 5,000 USDT 2.00% 4.00%
BANANAUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
WUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
SAGAUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
BIGTIMEUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
MEWUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
XRDUSDT 20,000 USDT 20,000 USDT 2.00% 4.00%
AAVEUSDT 1,000,000 USDT 1,000,000 USDT 2.50% 5.00%
LDOUSD 50 XBT 50 XBT 2.50% 5.00%
LUNAUSDT 1,000,000 USDT 1,000,000 USDT 2.50% 5.00%
SEIUSDT 1,000,000 USDT 1,000,000 USDT 2.50% 5.00%
OPUSDT 1,000,000 USDT 1,000,000 USDT 2.50% 5.00%
OPUSD 50 XBT 50 XBT 2.50% 5.00%
BMEXUSDT 1,000,000 USDT 1,000,000 USDT 2.50% 5.00%
AVAXUSDT 1,000,000 USDT 1,000,000 USDT 2.50% 5.00%
BMEXUSD 50 XBT 50 XBT 2.50% 5.00%
TONUSDT 1,000,000 USDT 1,000,000 USDT 2.50% 5.00%
TONUSD 50 XBT 50 XBT 2.50% 5.00%
AAVEUSD 50 XBT 50 XBT 2.50% 5.00%
AXSUSD 50 XBT 50 XBT 2.50% 5.00%
LDOUSDT 1,000,000 USDT 1,000,000 USDT 2.50% 5.00%
SUSDT 1,000,000 USDT 1,000,000 USDT 2.50% 5.00%
AVAXUSD 50 XBT 50 XBT 2.50% 5.00%
MERLUSD 50 XBT 50 XBT 5.00% 10.00%
POPCATUSDT 20,000 USDT 20,000 USDT 5.00% 10.00%
MANTAUSDT 1,000,000 USDT 1,000,000 USDT 5.00% 10.00%
GMEUSDT 20,000 USDT 20,000 USDT 5.00% 10.00%
USDTUSDC 50 XBT 50 XBT 5.00% 10.00%
FILUSD 50 XBT 50 XBT 5.00% 10.00%
FILUSDT 1,000,000 USDT 1,000,000 USDT 5.00% 10.00%
ORDIUSD 1 XBT 1 XBT 5.00% 10.00%
DYDXUSD 50 XBT 50 XBT 5.00% 10.00%
CYBERUSDT 1,000,000 USDT 1,000,000 USDT 12.50% 25.00%
XRPH25 25 XBT 25 XBT 1.50% 3.00%
ADAH25 25 XBT 25 XBT 1.50% 3.00%
XRPM25 25 XBT 25 XBT 1.50% 3.00%
ADAM25 25 XBT 25 XBT 1.50% 3.00%
HSKUSDTZ25 50,000 USDT 50,000 USDT 25.00% 50.00%
REDUSDTZ25 50,000 USDT 50,000 USDT 25.00% 50.00%
WLFIUSDTZ26 50,000 USDT 50,000 USDT 25.00% 50.00%
XBTUSD_BBX 1,000 BBX 1,000 BBX 0.20% 0.40%
XBTETH 75 XBT 75 XBT 0.50% 1.00%
XBTUSD 200 XBT 150 XBT 0.50% 1.00%
XBTUSDT 1,000,000 USDT 1,000,000 USDT 0.50% 1.00%
XBTEUR 50 XBT 50 XBT 1.00% 2.00%
XBTUSDTH25 1,000,000 USDT 1,000,000 USDT 0.50% 1.00%
XBTH25 75 XBT 75 XBT 0.50% 1.00%
XBTJ25 75 XBT 75 XBT 0.50% 1.00%
XBTM25 75 XBT 75 XBT 0.50% 1.00%
XBTUSDTM25 1,000,000 USDT 1,000,000 USDT 0.50% 1.00%
XBTU25 75 XBT 75 XBT 0.50% 1.00%
XBTZ25 75 XBT 75 XBT 0.50% 1.00%
ETHUSD 75 XBT 100 XBT 0.50% 1.00%
ETHUSDT 1,000,000 USDT 1,000,000 USDT 0.50% 1.00%
ETHXBT 50 XBT 50 XBT 0.70% 2.00%
ETHUSDH25 50 XBT 50 XBT 0.70% 2.00%
ETHH25 25 XBT 25 XBT 1.50% 3.00%
ETHM25 25 XBT 25 XBT 5.00% 10.00%
ETHUSDM25 50 XBT 50 XBT 5.00% 10.00%
LTCUSD 50 XBT 50 XBT 1.00% 2.00%
LTCUSDT 1,000,000 USDT 1,000,000 USDT 1.00% 2.00%

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%
Maintenance Margin Amount New MM * Entry Value 1.00% * 300 XBT = 3 XBT

More Information

Further information is available on:

  • How to Adjust Risk Limits
  • Trade Examples

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