Many crypto traders win several trades but still lose money long-term.
The main reason is simple:
π They donβt understand Expected Value (EV).
If you master EV, you stop gambling and start trading like a professional.
π― What Is Expected Value (EV)?
Expected Value (EV) is the average profit or loss you can expect per trade if you repeat the same setup many times.
Simple logic:
EV > 0 β Profitable in the long run β
EV = 0 β Break-even βοΈ
EV < 0 β Losing strategy β
Professional traders only trade positive-EV setups.
π EV Formula (Basic)
Or:
Win Rate + Loss Rate = 100%
Profit/Loss can be in % or USD
π Example 1: Simple Bitcoin Trade
Setup
Entry: $90,000
Take Profit: $99,000 β +10%
Stop Loss: $85,500 β β5%
Win rate (backtested): 60%
EV Calculation
If you trade this setup 100 times:
60 wins Γ 10% = +600%
40 losses Γ 5% = β200%
Net profit: +400%
π Positive EV β Good trade setup
π‘ Example 2: High Risk / High Reward Altcoin Trade
Setup
Target: +50%
Stop Loss: β15%
Win rate: 40%
π₯ Even with a low win rate, this setup is very profitable because of a strong Risk : Reward ratio.
Lesson:
π High win rate is NOT required if reward is much larger than risk.
β Example 3: EV After Trading Fees
Setup
Win rate: 50%
Profit: +4%
Loss: β3%
Now subtract real costs:
Trading fee (Binance): ~0.1% Γ 2 = 0.2%
Slippage: ~0.15%
π Technically profitable, but not worth the risk.
π If you donβt have an exchange account yet, you can open Binance here:
π https://www.binance.com/join?ref=G2WYB0ZB
π₯ Risk : Reward Ratio & Minimum Win Rate
Break-even win rate formula:
| Risk : Reward | Minimum Win Rate |
|---|---|
| 1 : 1 | 50% |
| 1 : 2 | 33.3% |
| 1 : 3 | 25% |
π With RR 1:3, you can still make money even if you win only 25% of trades.
π EV with Multiple Outcomes (Realistic Scenario)
Bitcoin Long Example
TP1: +3.3% (40%)
TP2: +6.7% (20%)
TP3: +10% (10%)
Stop Loss: β3.3% (30%)
π Strong, realistic positive EV setup.
π° EV + Position Sizing (Real Money Example)
Capital: $10,000
Position size: 20% β $2,000
Setup EV: +5%
50 trades:
π EV helps you forecast long-term profitability, not short-term luck.
β οΈ EV vs Variance (Why You Can Still Lose)
Even with EV > 0, you can:
Lose 5β10 trades in a row
Experience big drawdowns
Feel psychological pressure
Thatβs variance, not a bad strategy.
π Solution:
Proper risk management
Small position sizes
Consistent execution
β Key Takeaways
Positive EV is mandatory
High win rate β profitable trading
Fees and slippage matter a lot
EV works over many trades, not instantly
Negative EV = gambling