A synthetic short call is created when short stock position is combined with a short put of the same series.
Position construction
Short 100 Underlying, Sell 1 ATM Put
The synthetic short call is so named because the established position has the same profit potential a short call.
Limited Profit Potential
Maximum profit
Premium Received - Commissions Paid
Profit achieved when: Price of Underlying <= Strike Price of Short Put

Unlimited Risk
Maximum loss
Unlimited
Loss occurs when: Price of Underlying > Sale Price of Underlying + Premium Received
Loss = Price of Underlying - Sale Price of Underlyingl - Premium Received + Commissions Paid
Breakeven point
Breakeven
Sale Price of Underlying + Premium Received