Short equity = fixed upside, unlimited downside, does not “spend money”, just need collateral. Puts = fixed upside, fixed downside, spend money/does not need a

Short equity = fixed upside, unlimited downside, does not “spend money”, just need collateral. Puts = fixed upside, fixed downside, spend money/does not need additional collateral. The option version of an equity short is something like buy ATM out and sell ATM call.