-record(ticker, {
    market :: binary(),
    trade_date :: binary(),
    trade_time :: binary(),
    trade_date_kst :: binary(),
    trade_time_kst :: binary(),
    trade_timestamp :: integer(),
    opening_price :: float(),
    high_price :: float(),
    low_price :: float(),
    trade_price :: float(),
    prev_closing_price :: float(),
    change :: binary(),
    change_price :: float(),
    change_rate :: float(),
    signed_change_price :: float(),
    signed_change_rate :: float(),
    trade_volume :: float(),
    acc_trade_price :: float(),
    acc_trade_price_24h :: float(),
    acc_trade_volume :: float(),
    acc_trade_volume_24h :: float(),
    highest_52_week_price :: float(),
    highest_52_week_date :: binary(),
    lowest_52_week_price :: float(),
    lowest_52_week_date :: binary(),
    timestamp :: integer()
}).