Calls in 3 Minutes
How call options work — the fastest explanation you'll find
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A call option = the right to buy a stock at a specific price. You buy calls when you think the stock is going up.
The Setup
Stock at $100. You buy a $100 call for $3.00. You pay $300 (one contract = 100 shares). Expiration is 30 days out.
Three Outcomes
Stock goes to $112: Your call lets you buy at $100. Stock is worth $112. That's $12 of value. Minus the $3 you paid = $9 profit per share. That's $900 on a $300 bet (300% return).
If you'd bought 100 shares instead, you'd have made $1,200 — but you would've had $10,000 at risk, not $300.
Stock stays at $100: Your right to buy at $100 is worthless. Option expires. You lose your $300.
Stock drops to $88: Same thing — option expires worthless. You lose $300. Not $1,200 like you would've lost owning shares.
The Breakeven
You need the stock above $103 at expiration to make money. That's the strike ($100) plus the premium ($3).
Below $103 but above $100, you lose money but recover some of your premium. Below $100, you lose the full $300.
When Calls Make Sense
- You're bullish on a stock and want leverage
- There's a catalyst coming (earnings, news, product launch)
- You want defined risk — worst case is $300, not $10,000
When Calls Don't Make Sense
- The stock is already extended and the big move may be over
- IV is sky-high (you're overpaying for the option)
- You expect a slow, gradual rise — time decay will eat your profits faster than the stock moves
One Key Tip
Don't buy the cheapest call available. A $120 call on a $100 stock costs pennies, but the stock needs to rally 20%+ for it to be worth anything. That rarely happens. Stick with ATM or slightly OTM strikes where the probability is reasonable.