In testing. The trading engine is not live; the console shows sample data and places no orders. Product features described here are planned.
Copy trading on Hyperliquid
A copy tool reads a trader’s public positions and sends orders for your account. Start by checking how it sizes those orders.
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Public positions
Anyone can read an address’s positions, size, entry price and leverage. A copy tool can monitor that address without permission from the trader.
Two copying methods
Order copying repeats each trade at a scaled size. Missed orders, partial fills and pre-existing positions can put the follower out of step.
Position-ratio copying calculates a target from the trader’s current position and your allocation. Helmsman is being built around this model.
Work out a target
| Input | Value |
|---|---|
| Trader’s account value | $100,000 |
| Position newly opened after following starts | 2 ETH |
| Your allocation | $5,000 |
| Target before caps | 0.1 ETH |
Calculation: 2 ETH × $5,000 ÷ $100,000 = 0.1 ETH. Your leverage limit, allowed markets and minimum order size may reduce or prevent that target. Helmsman skips positions the trader opened before you started following by default.
Check custody and costs
A vault product takes deposits; an API-wallet product can trade inside your account. An API wallet cannot withdraw funds, but can lose them through trading.
Count exchange fees, the tool’s fees and funding. Every additional fill can add fees; a follower’s result can differ even when the trader is ahead.
Before approving a tool
- Check the key’s permissions and how to revoke them.
- Find out which process enforces limits if the trading engine fails.
- Check whether pause and stop leave positions open or close them.
- Convert fees to money and find the record of what you paid.
- Check how traders are selected and whether past results are being used to imply future ones.