Risk Management Basics: The Framework That Keeps Traders in the Game

Rule one: fix the risk per idea before anything else

The standard convention is to risk a small fixed fraction of account equity on any single position — commonly between a quarter of a percent and two percent. The exact number matters less than the fact that it is fixed in advance and applied without exception.

A fixed fraction has a useful property: as the account grows, absolute risk grows with it, and as it shrinks, risk contracts automatically. The rule protects you hardest during losing streaks, which is precisely when discipline is weakest.

Rule two: place the stop where the idea is wrong

A stop-loss belongs at the price that invalidates your reason for entering, not at a round number or at the loss you find emotionally tolerable. If the invalidation level implies more risk than your rule allows, the correct response is a smaller position — or no position.

Moving a stop further away to avoid being wrong converts a defined risk into an undefined one. Every trading record we have examined that ends badly contains this pattern somewhere in the middle.

Rule three: account for correlation

Three separate positions can be one bet. Long EUR/USD, long GBP/USD and short USD/JPY are all short the dollar, so a single dollar rally hits all three simultaneously. Traders who size each position independently often carry three times their intended exposure without noticing.

Track exposure by underlying risk factor, not by ticker. Currency positions cluster by base currency; equity index positions cluster by region and sector; commodity positions cluster by the macro story driving them.

• ◆Group open positions by shared risk factor, not by instrument name
• ◆Cap total exposure to any single factor, not just any single trade
• ◆Assume correlations tighten during stress — diversification thins exactly when needed

Rule four: set drawdown circuit breakers

Define in advance what happens after a bad run: a daily loss limit that stops trading for the day, a weekly limit that stops the week, and a monthly threshold that triggers a full review before any new position. These are mechanical rules, not judgement calls made while losing.

Circuit breakers work because they remove the decision from the moment of maximum emotional pressure. The trader who set the rule on a calm Sunday is better qualified than the trader staring at a red screen on Thursday afternoon.

Rule five: keep records that can be audited

A trading journal that records entry rationale, size calculation, stop level, exit reason and emotional state turns a stream of outcomes into data. Without it there is no way to distinguish an unlucky good process from a lucky bad one.

Platform statements complement the journal. When evaluating any venue, including the platforms covered in our research library, check whether cost and execution data can be exported in a form you can actually analyse.

Key takeaways

• ✓Fix risk per idea as a percentage of equity and never negotiate it mid-trade
• ✓Stops belong at invalidation levels, not at comfortable loss amounts
• ✓Correlated positions are one bet wearing several names
• ✓Pre-set drawdown circuit breakers remove decisions from emotional moments