Risk Management & Position Sizing
Risk Management
Key Takeaways
- Never allocate more than 5% of your account to a single position.
- Keep 30-50% of buying power in reserve for opportunities and drawdowns.
- Define your exit rules before entering: both profit targets and max loss.
TL;DR
Position sizing and exit discipline separate profitable traders from gamblers. Limit each position to 5% of account value, keep cash reserves, diversify across sectors, and always define your profit target and stop-loss before entering a trade.
Position Sizing Rules
Position sizing is the most underrated skill in trading. Even a great strategy will blow up an account with poor sizing.
The 5% Rule: No single options position should risk more than 5% of your total account value.
For CSPs: A $50 put ties up $5,000. On a $50,000 account, that's 10% of capital (1 contract). You could sell 2 contracts max at the 10% level, or just 1 to stay conservative at 5%.
For covered calls: The risk is in the stock, not the call. Size based on how much you'd lose if the stock dropped 30%.
Cash Reserve Management
Never deploy 100% of your buying power. Markets crash, opportunities emerge, and margin calls happen when you're fully invested.
Recommended allocation:
- 50-70% deployed in active positions
- 30-50% held as cash reserve
The cash reserve serves three purposes:
- Buying opportunities during market dips (when IV is elevated and premium is rich)
- Margin cushion if positions move against you
- Psychological safety: you trade more rationally when you're not all-in
Sector Diversification
Don't wheel 4 tech stocks. When tech sells off 15%, all four positions get hit simultaneously.
Spread across uncorrelated sectors:
- 1 tech stock (AAPL, MSFT)
- 1 financial (JPM, GS)
- 1 consumer/healthcare (DIS, JNJ)
- 1 ETF (SPY, QQQ)
This way, a single sector rotation won't wreck your entire portfolio.
Exit Rules
Define these before every trade:
Profit target: Close at 50% of max profit. You sold for $3.00 → close at $1.50.
Max loss (for sellers): If the position reaches 200% of premium collected (you sold for $2, it's now worth $6), consider closing or rolling. Don't let a $200 winner potential become a $1,000 loser.
Time-based exit: If 75% of time has passed and you're only at 25% profit, close to free up capital.
Fundamental exit: If the reason you entered the trade changes (bad earnings, management fraud, sector collapse), close immediately regardless of P&L.
The Loss Management Framework
Losses are inevitable. The question is whether they're managed or catastrophic.
Small loss: Close the position at 1-2x premium collected. Move on to the next trade.
Medium loss (assigned underwater): Sell covered calls above your cost basis. Collect premium monthly to reduce your basis. Be patient.
Large loss (stock drops 30%+): Re-evaluate the fundamental thesis. If the company is still solid, sell calls and wait for recovery. If the thesis is broken, sell the stock and take the loss.
Never: Average down by selling more puts on a stock that's collapsing. This is how accounts blow up.
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