Execution

Sub-account isolation and the netting problem

Multi-leader copy trading has a mechanical flaw that no amount of trader selection fixes. If two leaders you copy take opposite sides of the same market in the same account, the exchange sees one net position — and you end up paying fees for exposure you no longer have.

In short

Hyperliquid nets positions per account and per market. Copying multiple leaders into a single account collapses their opposing positions into one net figure, destroying both strategies. HyperMirror gives every leader its own isolated sub-account, so a long and a short coexist exactly as the leaders intended.

At a glance

One shared account vs one sub-account per leader
DimensionSingle shared accountIsolated sub-accounts
Opposing positionsNetted to near-zero exposureBoth positions survive intact
Fees paidBoth sides charged, neither edge capturedEach leader's fills stand on their own
Per-leader PnLNot separableDirectly measurable
Liquidation blast radiusWhole account marginThat leader's sub-account only
CostBest margin efficiencyFragmented margin, deliberately

A worked example

Leader A opens 5 BTC long. Leader B, a mean-reversion trader, opens 4 BTC short an hour later. Mirrored into one account, your position is 1 BTC long. You have paid the taker fees for 9 BTC of trading and you hold the strategy of neither leader.

When leader B closes for a profit, your account gains nothing recognisable: the exit simply moves the net figure again. The outcome is not a blend of two strategies, it is a third strategy that nobody designed and nobody is monitoring.

What isolation changes

With one sub-account per leader, leader A's 5 BTC long and leader B's 4 BTC short exist side by side. Each position carries its own margin, its own liquidation price and its own PnL. The strategies stay intact and, crucially, stay measurable.

Measurability is the underrated half. Isolated accounts give per-leader attribution: you can see which leader produced which result rather than inferring it from a merged equity curve. Scoring, probation and replacement all depend on that attribution being clean.

  • Opposing positions never cancel — both leaders' intent is preserved.
  • Liquidation is contained: one leader's blow-up cannot reach into another's margin.
  • Per-leader PnL attribution stays exact, which is what makes replacement decisions defensible.

The cost of isolation

Isolation is not free. Margin is fragmented across sub-accounts, so total capital efficiency is lower than a netted book: capital sitting as margin behind leader A is unavailable to leader B. This is a deliberate trade — capital efficiency in exchange for strategy integrity and containment.

It is also why diversification is gated. Below $100k of mirrored volume, Starter mode runs a single leader in one sub-account, because splitting a small balance across ten margined sub-accounts produces positions too small to track their leaders faithfully.

Risk that isolation does not remove

Isolation contains netting and liquidation contagion. It does not protect against correlated losses: if every leader is long the same market into the same downturn, isolated accounts simply record the loss separately. Nor does it protect against exchange-level, oracle or liquidity events.

Past performance is not indicative of future results. Perpetual futures are leveraged instruments and carry a substantial risk of loss, including the loss of your entire position.

Questions

Frequently asked

Are the sub-accounts mine?

Yes. They are sub-accounts of your own Hyperliquid account. HyperMirror never holds funds and cannot withdraw from them.

How many sub-accounts are used?

One per active leader — one in Starter mode, up to ten in Full mode.

What happens to a sub-account when a leader is replaced?

Its positions are closed out under the replacement procedure and the sub-account is reassigned to the incoming leader, so account count stays stable.

Diversified copy trading. On autopilot.

Score-weighted allocation across up to 10 elite Hyperliquid traders, each isolated in its own sub-account. Your funds never leave your account.

Non-custodial · Agent cannot withdraw · Cancel delegation anytime