Options Profit Calculator — Stock Options P&L & Strategy

This calculator gives you an instant, detailed snapshot of any US equity options position — whether you hold a long call for a directional bet, a long put as portfolio insurance, or a short option to collect premium income. Here is how to use it:

1. Option Type — Select Call if you want to profit from a rising stock price, or Put if you want to profit from a falling stock or hedge an existing long position.
2. Position — Select Long (Buy) if you paid premium to purchase the contract; select Short (Sell/Write) if you sold the contract and received premium upfront.
3. Strike Price — The fixed price at which you have the right (long) or obligation (short) to buy or sell 100 shares of the underlying stock.
4. Current Stock Price — The live market price of the underlying stock, ETF, or index. Use the latest quote from your broker or a financial data provider.
5. Premium per Share — The quoted price of the option per share. If your broker shows a contract price of "$550", divide by 100 to get $5.50 per share.
6. Number of Contracts — Each standard US equity options contract covers 100 shares. Enter the number of contracts you hold or plan to trade.
7. Days to Expiry — The number of calendar days until the option expires. This is displayed for context; the more time remaining, the more time value the option contains beyond its intrinsic value.
8. Implied Volatility (%) — The market's implied annualized volatility for the option, displayed for context. Higher IV means more expensive options.

Click Calculate Options P&L to instantly see your current profit or loss, the moneyness classification (ITM / ATM / OTM), intrinsic value, time value, break-even price at expiry, maximum profit, maximum loss, and a five-scenario P&L table showing outcomes at −20%, −10%, current, +10%, and +20% stock price moves.

Important note on time value: This calculator uses intrinsic value to approximate P&L. Real option prices also include time value (theta decay) and implied volatility (vega). Your actual mark-to-market P&L on open positions before expiry will reflect these additional factors.

All options P&L calculations start with one concept: intrinsic value — the amount the option would be worth if exercised right now. Combine intrinsic value with the premium paid or received, and you have a complete picture of your position.

Intrinsic Value (per share)

• Call: max(0, Current Stock Price − Strike Price)
• Put: max(0, Strike Price − Current Stock Price)

Intrinsic value is always non-negative. When the stock price is below the call strike (or above the put strike), intrinsic value is zero — the option is out-of-the-money.

Time Value (per share)

Time value = max(0, Premium − Intrinsic Value). Time value represents the market's compensation for the possibility that the option moves in-the-money before expiry. It decays to zero at expiration (theta decay), which is why options writers profit from the passage of time while options buyers are hurt by it.

Total Premium

Total Premium = Premium per Share × 100 × Number of Contracts. One US equity options contract covers exactly 100 shares. A $5.50 premium on 2 contracts equals $1,100 total.

P&L Formulas by Position Type

Long Call

• P&L = (Intrinsic Value − Premium) × 100 × Contracts
• Break-even at Expiry = Strike Price + Premium
• Max Loss = Total Premium Paid
• Max Profit = Unlimited (stock can rise indefinitely)

Long Put

• P&L = (Intrinsic Value − Premium) × 100 × Contracts
• Break-even at Expiry = Strike Price − Premium
• Max Loss = Total Premium Paid
• Max Profit = (Strike Price − Premium) × 100 × Contracts

Short Call (Naked or Covered)

• P&L = (Premium − max(0, Stock Price − Strike)) × 100 × Contracts
• Break-even = Strike Price + Premium
• Max Profit = Total Premium Received
• Max Loss = Unlimited (naked) or capped by stock floor (covered)

Short Put

• P&L = (Premium − max(0, Strike − Stock Price)) × 100 × Contracts
• Break-even = Strike Price − Premium
• Max Profit = Total Premium Received
• Max Loss = (Strike Price − Premium) × 100 × Contracts

Moneyness Classification

Moneyness describes how the current stock price relates to the strike price:

• ITM (In-the-Money): The option has positive intrinsic value. A call is ITM when stock price exceeds the strike; a put is ITM when stock price is below the strike.
• ATM (At-the-Money): The stock price is within ±0.5% of the strike. ATM options carry the highest time value and are most sensitive to implied volatility.
• OTM (Out-of-the-Money): The option has zero intrinsic value. Less expensive to buy but requires a larger stock move to become profitable.

Example 1 — Long Call on Tesla (TSLA): Leveraged Directional Bet

A trader is bullish on Tesla ahead of a product launch. TSLA is trading at $240. They buy 2 contracts of the $250 call expiring in 30 days at a premium of $5.50 per share.

• Strike: $250 | Current price: $240 | Premium: $5.50
• Total premium paid: $5.50 × 100 × 2 = $1,100
• Status: OTM (stock below strike) | Break-even: $255.50
• Max loss: $1,100 | Max profit: Unlimited

If TSLA surges to $270 after the announcement: Intrinsic value = $20; P&L = ($20 − $5.50) × 200 = +$2,900 — a 164% return on the $1,100 investment. If TSLA stays below $250 at expiry, the full $1,100 premium is lost. This illustrates the leverage and defined risk of long calls: a relatively small price movement creates outsized returns, but the entire premium can disappear if the thesis is wrong.

Example 2 — Long Put as Portfolio Hedge (SPY ETF)

An investor holds $100,000 in the S&P 500 via SPY at $500 per share (200 shares). Concerned about a market correction, they buy 2 SPY put contracts at a $490 strike for $8.00 per share.

• Strike: $490 | Current SPY: $500 | Premium: $8.00
• Total premium paid: $8.00 × 200 = $1,600 (the cost of insurance)
• Break-even: $490 − $8 = $482
• Max profit: ($490 − $8) × 200 = $96,400 (theoretical maximum if SPY → $0)

If SPY falls to $460: Intrinsic = $30; Put P&L = ($30 − $8) × 200 = +$4,400. This partially offsets the −$8,000 loss on the 200 SPY shares. The $1,600 premium is the maximum cost of this protection. If SPY rises or stays above $490, the puts expire worthless — a small price for peace of mind on a six-figure portfolio.

Example 3 — Covered Call: Generating Monthly Income on MSFT

An investor owns 100 shares of Microsoft at $415. Rather than waiting for price appreciation, they sell 1 MSFT $430 call for a premium of $4.80 to collect monthly income.

• Strike: $430 | Current MSFT: $415 | Premium received: $4.80
• Total premium received: $4.80 × 100 = $480
• Effective cost basis reduced to: $415 − $4.80 = $410.20
• Max profit (if called away at $430): ($430 − $415 + $4.80) × 100 = $1,980

If MSFT stays below $430 at expiry, the investor keeps the $480 premium and owns the shares — an annualized yield of approximately 13.9% ($480 × 12 / $41,500). If MSFT rallies above $430, the shares are assigned to the option buyer at $430, capping upside but still delivering a solid $1,980 total return. Covered calls are the most widely used option income strategy and are approved by most brokers at the lowest option tier.

Example 4 — Cash-Secured Put: Getting Paid to Wait for a Lower Entry

A trader wants to buy Apple (AAPL) but only at $180 (current price: $193). Instead of placing a limit order, they sell 1 AAPL $180 put expiring in 30 days for a premium of $3.20.

• Strike: $180 | Current AAPL: $193 | Premium received: $3.20
• Total premium received: $3.20 × 100 = $320
• Effective buy price if assigned: $180 − $3.20 = $176.80
• Max loss: ($180 − $3.20) × 100 = $17,680 (if AAPL → $0)

If AAPL stays above $180, the put expires worthless and the trader pockets $320 — paid to wait. If AAPL falls to $175, they are assigned 100 shares at $180 but their effective cost is $176.80, which is below the current market price. This strategy requires $18,000 in cash collateral (hence "cash-secured") but generates income while waiting for a price target.