pyql 中普通选项的希腊人

Greeks of a Vanilla Option in pyql

我不确定我是否遗漏了导入,但我没有看到在 pyql:

中获取选项的任何希腊语的方法
from quantlib.instruments.api import AmericanExercise, VanillaOption, Put, Call
from quantlib.instruments.payoffs import PlainVanillaPayoff

from quantlib.pricingengines.api import BaroneAdesiWhaleyApproximationEngine
from quantlib.pricingengines.api import FDAmericanEngine
from quantlib.processes.black_scholes_process import BlackScholesMertonProcess
from quantlib.quotes import SimpleQuote
from quantlib.settings import Settings
from quantlib.time.api import Actual365Fixed, Date, May, Mar, TARGET
from quantlib.termstructures.volatility.equityfx.black_vol_term_structure \
    import BlackConstantVol
from quantlib.termstructures.yields.api import FlatForward

option = VanillaOption(payoff, exercise)

如何获取此选项的增量?

看起来希腊语只在某些情况下提供。我不确定为什么内置引擎不只提供希腊语,如本视频中所述:

https://www.youtube.com/watch?v=MgUlBB59Ll0