Covered Call Calculator: Estimate Your Monthly Income

How the Covered Call Calculator Works

A covered call calculator estimates how much premium income you could generate by selling covered calls on stocks you own. It takes into account:

• Current stock price • Number of shares (must be in lots of 100) • Selected strike price • Days to expiration (DTE) • Current implied volatility • Option premium (bid price)

The calculator then computes your potential monthly income, annualized yield, and risk metrics like downside protection (how much the premium buffers against stock decline).

Understanding the Key Calculations

Here are the core formulas behind covered call income calculations:

Monthly Income = (Premium per Share × Number of Shares × 12) / (365 / DTE)

Annualized Yield = (Premium / Stock Price) × (365 / DTE) × 100

Premium Per Day = Total Premium / DTE

Downside Protection = Premium / Stock Price × 100

For example, on a $200 stock with 100 shares and a $4.00 premium over 30 days: • Total Premium: $400 • Monthly Income: ~$400/month (if repeated) • Annualized Yield: ($4/$200) × (365/30) × 100 = 24.3% • PPD: $400/30 = $13.33/day • Downside Protection: $4/$200 = 2.0%

Realistic Income Expectations

Many online calculators show unrealistic returns by using aggressive assumptions. Here's what to actually expect with conservative covered call strategies:

Conservative (10-delta, 30-45 DTE): • Monthly yield: 0.5% - 1.5% of position value • Annual yield: 6% - 18% • Assignment frequency: 5-10% of trades

Moderate (20-delta, 30-45 DTE): • Monthly yield: 1.0% - 2.5% of position value • Annual yield: 12% - 30% • Assignment frequency: 15-25% of trades

Aggressive (30+ delta, various DTE): • Monthly yield: 2.0% - 4.0% of position value • Annual yield: 24% - 48% • Assignment frequency: 25-40% of trades

These returns come on top of any dividends and stock appreciation. The premium income is additional yield on a stock you were already holding.

Portfolio-Level Income Calculation

Real income investors don't just sell one covered call — they run a portfolio strategy. Here's how to estimate total portfolio income:

$25,000 Portfolio (conservative strategy): • 2-3 stocks, 100 shares each • Monthly premium: $125-$375 • Annual premium income: $1,500-$4,500

$50,000 Portfolio: • 4-5 stocks, 100-200 shares each • Monthly premium: $250-$750 • Annual premium income: $3,000-$9,000

$100,000 Portfolio: • 5-10 stocks diversified across sectors • Monthly premium: $500-$1,500 • Annual premium income: $6,000-$18,000

Covered Call Pro's Portfolio Income Tracker lets you enter all your holdings and see estimated monthly income across your entire portfolio, updated with real-time options data.

Try the Covered Call Pro Calculator

Our free portfolio income calculator goes beyond simple math. It uses live options data to show you:

• Actual available premiums on your specific stocks today • The best strike and expiration for each holding • Total monthly and annual income estimates • Comparison of different delta strategies • CC vs Buy & Hold comparison over time

Enter your stocks, see your potential income. No account required to try.