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.
The put-call parity formula shows the relationship between the price of a put and the price of a call on the same underlying security with the same expiration date, which prevents arbitrage opportunities.or European options, early exercise is not possible. If the expiration values of the two portfolios are the same, their present values must also be the same. This equivalence is put-call parity.