- Added OptionStrategies class with 10 popular option strats
- Defined OptionStrategy class
- Added support for trading of option strategies in QCAlgorithm.Trading.cs
- Added several estimator interfaces to introduce QL pricing models extention points: IDividendYieldEstimator, IRiskFreeRateEstimator, IUnderlyingVolatilityEstimator provided default implementation (flat term structure)
- Added QLOptionPriceModel class that contains meat of the calculations
- Added OptionPriceModels class that exposes 12 popular option pricing models to the user: those include Black Scholes, Barone-Adesi Whaley, Bjerksund Stensland, Crank Nicolson FD, Binomial Trees and more.
- Modified Greeks class to support lazy evaluation and introduce IV
- Partially tested on live data and trading (IQFeed/IB) and backtests. Need more data for tests.
Anshul