What is leverage?
Leverage is the borrowed-capital multiplier your broker provides. At 30:1 leverage, a $1,000 deposit controls a $30,000 position. If EUR/USD moves 1% in your favour on a $30,000 position, you make $300 on a $1,000 deposit — a 30% return. If it moves 1% against you, you lose $300 — also 30% of your deposit, in a single trade.
This is the double-edge: leverage amplifies losses and gains equally. A 3.3% adverse move on a 30:1 leveraged position wipes your entire deposit.
Jurisdiction leverage caps (regulatory floor)
Regulators cap retail leverage to protect uninformed traders. The caps are non-negotiable for licensed brokers:
| Jurisdiction | Regulator | Major pairs (EUR/USD) | Minor pairs | CFD stocks | Crypto CFD |
|---|---|---|---|---|---|
| UK | FCA | 30:1 | 20:1 | 5:1 | 2:1 |
| EU | ESMA/NCAs | 30:1 | 20:1 | 5:1 | 2:1 |
| USA | CFTC/NFA | 50:1 | 20:1 | N/A (no CFD stocks) | N/A |
| Australia | ASIC | 30:1 | 20:1 | 5:1 | 2:1 |
| Tier-3 offshore | FSA Seychelles etc. | Up to 1000:1 | Up to 1000:1 | Up to 200:1 | Varies |
The Tier-3 offshore leverage is why many “forex signal” and prop-firm marketers push clients toward unregulated or offshore brokers — 500:1 leverage makes for more dramatic marketing. It also makes for more dramatic account wipeouts.
Leverage and margin
Leverage determines how much margin (collateral) you must hold:
- 30:1 leverage = 3.33% margin requirement
- 50:1 leverage = 2% margin requirement
- $10,000 account at 30:1 → can control up to $300,000 in positions (subject to the broker’s margin call rules)
When your position moves against you and your equity drops near the margin level, you receive a margin call — a warning that you need to add funds or reduce exposure. Below the stop-out level (typically 50% of margin in FCA-regulated accounts), the broker automatically closes your positions to prevent a negative balance.
Negative balance protection is mandatory for retail clients of FCA and ESMA-regulated brokers. Your loss is capped at your deposit — you cannot owe the broker money beyond what you deposited. This does not make high leverage safe; it makes catastrophic loss bounded.
Practical guidance
For a beginner depositing $500–$1,000 on a 30:1 leverage account:
- Sizing 0.01 lots (1,000 units) on EUR/USD requires about $3.33 margin — effectively no leverage at this size
- Sizing 0.10 lots (10,000 units) on EUR/USD requires about $33.33 margin — manageable with a $500 account
- Sizing 1.00 lot (100,000 units) on EUR/USD requires about $333 margin — possible on a $500 account, but a 50-pip adverse move wipes $500
The rule most risk managers apply: never risk more than 1–2% of your account on a single trade. On a $500 account, that is $5–$10 risk per trade.
Used in: eToro review · OANDA review · Pepperstone review