A buy-write is the most efficient way to enter a covered call position. Instead of buying stock first and then selling a call later, you do both at the same time — often as a single order through your broker.

What Is a Buy-Write?

A buy-write is:

  • Buy 100 shares of stock
  • Simultaneously sell 1 call option against those shares

    • The combined order executes at a net debit equal to the stock price minus the call premium. Your effective cost basis is lower from the first second you own the position.

    Buy-Write vs Standard Covered Call

    | Aspect | Buy-Write | Standard Covered Call | EntrySimultaneousStock first, call later Cost basisLower from day oneStarts at full stock price ExecutionSingle orderTwo separate orders | Slippage risk | Lower (one fill) | Higher (market can move between legs) |

    The practical advantage is eliminating the gap between buying stock and selling the call.

    How to Execute a Buy-Write

    Most brokers offer buy-write as a specific order type:

  • Search for "buy-write" or "covered call" order in your options chain
  • Select the call strike and expiration
  • The order shows a net debit (stock price minus premium)
  • Submit as a limit order at your desired net price

    • Optimal Strike Selection

  • ITM buy-write: Maximum premium, immediate downside protection, but you give up most upside. Best for bearish-to-neutral outlook.
  • ATM buy-write: Balanced premium and upside. Best for neutral outlook.
  • OTM buy-write: Less premium, but you participate in stock appreciation up to the strike. Best for moderately bullish outlook.

    • Real Example: Buy-Write on MRK

    Merck (MRK) at $128. Buy 200 shares, sell 2x $133 calls (3.9% OTM) expiring in 38 days for $2.40.

  • Net debit: $125.60 per share ($25,120 total)
  • Max profit if assigned: ($133 - $125.60) × 200 = $1,480 (5.9% in 38 days)
  • Breakeven: $125.60
  • Downside protection: 1.9% cushion from premium

    • The CBOE BuyWrite Index (BXM)

    The BXM tracks systematic buy-write performance on the S&P 500. Key findings: 8-10% average annualized return, roughly 30% lower volatility than the S&P 500, and often a higher Sharpe ratio. You give up some upside for significantly smoother returns.

    Tips for Better Execution

    Use limit orders. The net debit price matters. Don't use market orders.

    Check bid-ask spreads. Wide spreads eat into your premium. Look for spreads under $0.20 for stocks under $100.

    Time your entry. Buy-writes work best when IV is elevated. OptionsPilot's IV rank indicator helps you identify when premiums are above their historical average, giving you better entry prices on the call leg.