Copy Trading — Definition and Regulatory Characterization

Copy trading automatically mirrors one trader's orders into another's account. In several jurisdictions it is regulated as portfolio management. NakedPnL is not a copy-trading platform.

Definition

Copy trading, sometimes called mirror trading or social trading in its more passive variants, is an arrangement in which orders placed by one trader (the lead, signal provider, or master) are automatically replicated, usually proportionally to capital, in the accounts of subscribed followers. Replication can be fully automated (every signal is copied without further human action by the follower) or partially automated (the follower must approve each signal). Common venues include eToro, NAGA, ZuluTrade, and several crypto-exchange built-in copy products.

Regulatory characterization

European regulators have repeatedly taken the position that fully automated copy trading is functionally portfolio management. ESMA's 2012 Q&A on the application of MiFID stated that automatic execution of trade signals where the customer does not exercise judgement constitutes the provision of portfolio management. The UK FCA has applied the same logic: a platform that auto-executes signals on behalf of a client is conducting regulated portfolio management and must be authorised accordingly. Other regulators including AMF (France), CONSOB (Italy), and BaFin (Germany) have aligned with this interpretation. This is in addition to whatever rules the operator faces for marketing financial promotions and onboarding retail clients.

What this means in practice

• An operator that auto-replicates trades on behalf of a UK retail client without portfolio-management permission is conducting unauthorised regulated activity under FSMA section 19.
• Even when authorised, the operator owes the follower fiduciary duties, must conduct suitability assessments, and is responsible for the lead trader's conduct in many cases.
• Marketing copy-trading products to retail consumers is also subject to financial-promotion rules, leverage caps, and standardised risk warnings under PRIIPs and MiFID.
• Several large platforms have settled enforcement actions or restructured their products specifically because of these classification issues.

How NakedPnL differs

NakedPnL is a publisher of verified performance data. Connected venue keys are read-only; NakedPnL has no permission and no technical capability to place an order on any connected account. There is no signal provider to subscribe to, no auto-execution component, and no investor-trader matching. The product surface is deliberately structured to fall outside the regulated activities defined under MiFID and the UK Regulated Activities Order. The compliance feature flags `ENABLE_COPY_TRADING` and `ENABLE_INVESTOR_TRADER_MATCHING` are permanently set to false in `lib/features.ts`, and a CI test asserts that they remain so.

Worked example

// lib/features.ts — permanently disabled, CI-enforced
export const features = {
  ENABLE_COPY_TRADING: false,                 // would trigger portfolio-management classification
  ENABLE_PERSONALIZED_RECOMMENDATIONS: false, // would trigger investment-advice classification
  ENABLE_BROKER_AFFILIATE_LINKS: false,       // would trigger financial-promotion exposure
  ENABLE_INVESTOR_TRADER_MATCHING: false,     // would trigger arranging-deals classification
} as const;

// __tests__/lib/features.test.ts asserts every flag is false.
// Enabling any of them fails the build.

Related terms

• Portfolio management — the regulated activity that fully automated copy trading typically falls under.
• Investment advice — a separate regulated activity triggered by personalised recommendations.
• Fund administrator — the operational counterpart for a regulated fund vehicle (different again).
• Track record — the public record of performance NakedPnL publishes, with no auto-execution attached.