Measures the impact of a change in the price of an underlying stock. For example, if you buy a call option which has a strike price that is higher than the price of the underlying asset, then the Delta value will be anywhere between 1 and -1.
Related information about position delta:
- Options Trading Strategies: Understanding Position Delta
 Feb 3, 2011 ... Learn more about the position delta hedge ratio and how it can tell you the   number of contracts needed to hedge a position in the underlying ...
 
- Position Delta | Calculating Position Delta - The Options Playbook
 Calculating position delta will help understand how your option positions should   react to a change in the underlying stock price.
 
- What is position delta? definition and meaning
 Definition of position delta: Measures the impact of a change in the price of an   underlying stock. For example, if you buy a call option which has a strike price   that ...
 
- It's Greek to Me - Delta and Gamma
 In summary, if your position delta is positive you want the underlying asset to   increase in price. If your position delta is negative you want the underlying asset   to ...
 
- Short Delta by OptionTradingpedia.com
 ... and then Sell To Open March185Put. March195Put = -0.4662 delta. Short   March185Put = 0.2919 delta. Overall position delta = 0.2919 - 0.4662 = -0.1743 ...
 
- What Is Delta Neutral Trading? by OptionTradingpedia.com
 This is because a typical delta neutral position is still Gamma positive, which   increases position delta in the direction of the move, allowing the position to profit   in ...
 
- The Greeks - Greek Option Trading Strategies - Delta Options ...
 The position delta is a way to see the risk/reward characteristics of your position   in terms ... Position delta = option theoretical delta * quantity of option contracts ...
 
- What is Delta? - Welcome to the Financial Trading System
 Our current position delta is -50*0.427 = -2135. It is minus ... To make our position   delta equal to zero we need to add 2135 to this number to make it zero.