IRL. Abbreviation for In Real Life.. Often used in internet chat rooms to let people you are talking about something in the real world and not in the internet world. Also can be used to differentiate between an actor/actress and the character they play.
Put Call Parity Formula. The basic version of the Put Call Parity formula is; Call-Put = Stock-Strike. The formula supposes the existence of two portfolios that are of equal value at the expiration date of the options.The premise is that if the two portfolios have identical values at expiration then they must be worth the same value now.all-Put = Stock-Strike. The formula supposes the existence of two portfolios that are of equal value at the expiration date of the options. The premise is that if the two portfolios have identical values at expiration then they must be worth the same value now.
Putâcall parity can be stated in a number of equivalent ways, most tersely as: where C is the (current) value of a call, P is the (current) value of a put, D is the discount factor, F is the forward price of the asset, and K is the strike price.utâcall parity implies: 1  Equivalence of calls and puts: Parity implies that a call and a put can be used interchangeably in any delta-neutral portfolio. 2  If is the call's delta, then buying a call, and selling shares of stock, is the same as selling a put and buying shares of stock.