Returns basic reference details for the options such as currency, exchange, symbols, flags and more

Returns basic reference details for the options. Data items include - * Name * Exchange * Call or Put Flag * Call or Put Pair Symbol * Other symbols such as OPRA17 and OCC21 * Currency * Underlying Security Symbols * Expiration Month, Dates, and Frequency *For details or definitions of all available response fields visit the associated schema.* *Currently only OPRA Exchange is supported with exchange ISO "USA"*