Function parse_ticker_option_index_price 

pub fn parse_ticker_option_index_price(
    msg: &BybitWsTickerOptionMsg,
    instrument: &InstrumentAny,
    ts_init: UnixNanos,
) -> Result<IndexPriceUpdate>

Parses an option ticker payload into an [IndexPriceUpdate].

Errors

Returns an error if the index_price field cannot be parsed.