Watch the reel
A long call is a bullish bet with risk capped at the premium you pay and upside that's uncapped. This reel explains when buying a call beats buying the stock outright.
Long Call
Buying a call option gives you the right (not the obligation) to purchase 100 shares of the underlying at the strike price on or before expiration. It's a leveraged way to express a bullish view with capped downside. Your maximum loss is the premium paid.
Payoff at expiration
Example legsGreeks
When to use it
You expect the underlying to rise meaningfully before expiration and you want defined-risk exposure that costs less than buying shares outright. Long calls shine when implied volatility is reasonable and the move you're expecting is large relative to the premium.
Setup
Pick a strike near the money (ATM) for balanced delta, slightly out of the money (OTM) for cheaper leverage, or in the money (ITM) when you want a higher delta and lower time decay. Expiration should comfortably exceed your conviction window. Too short and theta dominates.
Steps
- 1Choose an expiration that gives the thesis time to play out.
- 2Pick a strike that matches your conviction (ATM for balanced, OTM for leverage).
- 3Place a limit order at or below the mid-price; never market-order options.
- 4Define an exit plan up-front: profit target, time stop, and stop on the underlying.
Cost
You pay the option's premium. That's also your maximum loss. Break-even at expiration is strike + premium.
Effect of price
Profits rise approximately one-for-one with the underlying once you're past the break-even point. Below the strike at expiration, the call expires worthless.
Effect of time
Time decay (theta) works against you. Each day the underlying does nothing erodes some extrinsic value, most aggressively in the final 30 days.
Effect of volatility
Higher implied volatility raises the premium (positive vega). A pop in IV can offset modest price action; an IV crush (e.g., after earnings) can wipe out gains even if the stock moves in your favor.
Pros
- Capped downside: maximum loss is the premium paid.
- Significant leverage: small capital outlay controls 100 shares.
- Simple thesis: just bullish.
Cons
- Theta decay erodes value daily, especially in the last month.
- Vol crush can wipe out gains even on a correct directional call.
- Statistically, OTM long calls expire worthless more often than not.
Tips
- Don't buy calls into earnings unless you've priced in the IV crush.
- Avoid weekly OTM lotteries. The math is brutal over time.
- Sell or roll on the way up rather than holding to expiration.
The math
P/L per share at expiry = max(spot − strike, 0) − premium. Break-even = strike + premium. Maximum loss = premium (occurs at any spot ≤ strike at expiry).
