An abbreviation for at-the-money spot; the situation in which the strike of an option is set equal to the spot rate (e.g., FX...

An abbreviation for at-the-money spot; the situation in which the strike of an option is set equal to the spot rate (e.g., FX...

The situation in which the strike of an option is set equal to the spot rate (e.g., FX rate) at which the option delta is hedged....