Initialize a new instance of the OptionQuote class.
The session object used for making HTTP requests to Firstrade.
The symbol for which the option quote information is retrieved.
Retrieve the greeks for options on a given symbol.
The expiration date of the options.
A Promise resolving to a dictionary containing the greeks.
Retrieve the expiration dates for options on a given symbol.
A Promise resolving to a dict of expiration dates and other information.
Retrieve the quote for a given option symbol.
The expiration date of the options.
A Promise resolving to a dictionary containing the quote and other information.
Data class representing an option quote for a given symbol.