--- description: "A volatility strategy shorting stock and buying two ATM calls at strike K, replicating a long straddle by replacing the long put with a synthetic put." tags: [options, volatility, neutral, synthetic, straddle] --- # Long Call Synthetic Straddle **Section**: 2.28 | **Asset Class**: Options | **Type**: Volatility ## Overview The long call synthetic straddle (the same as a long straddle with the put replaced by a synthetic put) amounts to shorting stock and buying two ATM (or nearest ITM) call options with strike K. The trader's outlook is neutral. This is a capital gain strategy. We assume S0 >= K and D > S0 - K. ## Construction - Short 1 share of stock at S0 - Buy 2 ATM call options at strike K, same expiry Net debit: D (assumed D > S0 - K) ## Payoff Profile f_T = S0 - S_T + 2 × (S_T - K)+ - D - Upper breakeven: S*_up = 2K - S0 + D - Lower breakeven: S*_down = S0 - D - Max profit: P_max = unlimited (large move in either direction) - Max loss: L_max = D - (S0 - K) (at S_T = K; intrinsic offset reduces loss) ## Key Conditions / Signals - Neutral view; expects a large move in either direction - S0 >= K (stock at or above the call strike) - D > S0 - K prevents arbitrage - Useful when puts are expensive relative to calls (use calls to synthesize the straddle) ## Notes The short stock position combined with two long calls replicates a straddle by put-call parity. The maximum loss is reduced by the amount S0 - K (intrinsic value of the synthetic put component).