* Using IV to calculate Greeks, and remove single-step stochastic approximation
* Correct calculation for theta, vega, rho
* Add calculation from Black Calculator and peer review
* Address peer review and added unit test
* Update some tests and correct vega/eho
* Fix Unit Test and Improve Comments
Fixes `IndexOptionCallITMGreeksExpiryRegressionAlgorithm` since `Vega` was really non-zero.
* Fix regression test and add IV calculation
* refactor and bug fixing on peer review
* refactor and bug fixing on peer review
* for rerun test
* add warning on IV estimation not coveraged and edit speed unit test to not exceed 2s per 1000 iteration
* update logging
* update logging and description
* Add default option pricing models and unit tests
* address review
* Added Fed interest rate as risk-free rate with unit tests and set as default for option greeks calculation, added regression algorithms, addressed peer review
* refactor structure of interest rate
* Skip Saturday and Sunday
* regression test fix
* peer review
* Fixes Interest Rate Provider Logic
* Minor tweaks
* Fix start date
* Minor test tweak
* Update interest rates
* Fix unit tests
* Add minor log
Co-authored-by: Alexandre Catarino <AlexCatarino@users.noreply.github.com>
Co-authored-by: Martin-Molinero <martin@quantconnect.com>
Louis Szeto