pub fn create_option_contract(
info: &InstrumentInfo,
instrument_id: InstrumentId,
raw_symbol: Symbol,
activation: UnixNanos,
expiration: UnixNanos,
price_increment: Price,
multiplier: Option<Quantity>,
margin_init: Decimal,
margin_maint: Decimal,
maker_fee: Decimal,
taker_fee: Decimal,
ts_event: UnixNanos,
ts_init: UnixNanos,
) -> InstrumentAny