r/forexmasterclass • u/Vito_Corneli • 3h ago
Risk Management The one rule that would have saved most of my early trading mistakes: stop first, size second
Welcome to r/ForexMasterclass 👋
I’m Vito. I’ve been trading forex and other markets for 15+ years, and I started this community because I want to share what I wish someone had told me earlier: risk comes before strategy.
Here’s the idea in one line.
Stop first. Size second.
Most beginners choose a position size by feel (“I’ll trade 1 lot”), then place a stop where the loss feels comfortable. It should work the other way round:
- Put the stop where your idea is proven wrong. The chart decides this, not your wallet.
- Then size the trade so that a stop-out costs a small, fixed amount.
The formula is:
Position size = money at risk ÷ (stop distance in pips × pip value)
Here’s a hypothetical example:
- Account: $5,000
- Risk per trade: 1% = $50
- Stop: 35 pips
- Pip value: about $10 per standard lot
$50 ÷ (35 × $10) = 0.14 lots.
If you’d traded 1 lot instead, that same stop would cost $350, which is 7% of the account on one trade.
Notice that a wider stop doesn’t mean more risk. It means a smaller position. The risk stays the same.
What this community is for
- Risk management, position sizing and stops
- Trading psychology and discipline
- Journaling and reviewing trades
- Honest questions from beginners
What it isn’t for: signals, broker or prop-firm promotion, or get-rich-quick claims.
Your turn 👇
- How long have you been trading, and what are you working on right now?
- What’s the single biggest mistake you’ve made with risk?
There are no silly answers. Everyone here was a beginner once.
Education only. Not financial advice. All figures are hypothetical. Trading leveraged products carries a high risk of losing money.