Calendar Spread Gamma Vega
Therefore you want the stock to stay still and the implied volatility to go up.
Calendar spread gamma vega. As a result a calendar spread can profit in two ways. The ideal scenario is that implied volatility rises good for positive vega but realized volatility remains low good for negative gamma. When the calendar spread is atm the long calendar is 1.
That means that while it is a an implied vol play you are still getting compensated for holding gamma risk see variance risk premium. A long calendar spread s profit drivers. The simplest form of a calendar spread is when a trader sells one option in the front month and then buys the same strike in a further out month.
Vega is always. If you own the option you get gamma. Calendar spreads are a great way to express a particular position without taking on undue risk.
In a long calendar spread you are short gamma positive theta and long vega see section on greeks. Calendar spreads are the one type of trade where gamma can be negative while vega is positive and vice versa of course. Option value is purely extrinsic 2.
Gamma is always. Sell it negative vega. All options increase in value when the implied volatility rises.
When analyzing the position greeks of a long calendar spread we find that the position has positive theta and positive vega. When we trade a calendar spread selling the front cycle and buying the back cycle we naturally have a long vega position. This is because the vega of longer term options is always greater than the vega of shorter term options.