Parity- Describing an in-the-money option trading for its intrinsic value: that is, an option trading at parity with the underlying stock. Also used as a point of reference-an option is sometimes said to be trading at a half-point over parity or at a quarter-point under parity, for example. An option trading under parity is a discount option.
Physical Option - An option whose underlying security is a physical commodity that is not stock or futures. The physical commodity itself typically a currency or Treasury debt issue-underlies that option contract.
Portfolio -Holding of securities by an individual or institution. A portfolio may contain options of different stocks or a combination of shares, options and other financial instruments.
Position - Specific securities in an account or strategy. A covered call writing position might be long 1,000 XYZ and short 10 XYZ January 30 calls. It also refers to facilitate; buy or sell a block of securities, thereby establishing a position.
Position Trading - The use of options trading strategies in order to profit from the unique opportunities presented by stock options, such as time decay, volatility and even arbitrage to make safe, fixed, albeit lower profit. Read more about Options Trading Styles.
Premium - The total price of an option contract is made up of the sum of the intrinsic value and the time value premium. Even though most people refer to the price of an option contract as the "Premium", it is actually an inaccurate expression. The Premium of an option contract is the part of the price that is not intrinsic. Please read more about How Stock Options Are Priced.
Premium Over Parity - See Extrinsic Value.
Profit Range - The range within which a particular position makes a profit. Generally used in reference to strategies that have two break-even points-an upside break-even and a downside breakeven. The price range between the two break-even points would be the profit range.
Profit Table - A table of results of a particular strategy at some point in time. This is usually a tabular compilation of the data drawn on a profit graph.
Protected Strategy - A position that has limited risk. A protected short sale (short stock, long call) has limited risk, as does a protected straddle write (short straddle, long out-of-the-money combination). The Ride The Flow System is an example of a protected strategy.
Protective Call - An option trading hedging strategy that protects profits made in a short stock position using call options. Read More About Protective call Here!
Protective Put - An option trading hedging strategy that hedges against a drop in stock price using put options. Read More About Protective Put Here!
Public Book (of orders) - The orders to buy or sell, entered by the public, that are away from the current market. The board broker or specialist keeps the public book. Market-makers on the CBOE can see the highest bid and lowest offer at any time. The specialist’s book is closed (only he knows at what price and in what quantity the nearest public orders are).
Pull back - A temporary fall in price after a rally. The rally usually continues after a Pull Back. This is also known as a "Correction".
Put - An option granting the holder the right to sell the underlying security at a certain price for a specified period of time. See also Call. Read About Put Options Here.
Put Call Parity - Put Call Parity is an option pricing concept that requires the extrinsic values of call and put options to be in equilibrium so as to prevent arbitrage. Put Call Parity is also known as the Law Of One Price. Read About Put Call Parity Here.
Put Call Ratio - The ratio of the number of open put options against the number of open call options. The higher the resulting number, the more put options are bought or shorted on the underlying asset. For daily total equity put call ratio, please visit Option Trader's HQ. Read more about Put Call Ratio.