Ticker BTCUSD
From 2017-09-02 17:00:00
To 2017-09-02 18:00:00
Security Type Crypto
Market GDAX
Resolution Hour
Status Cannot Be Resolved

Ask prices on 2017-09-02 at 17Z and 18Z have values around $2,322 while bid/trade prices are near $4500. After that period, the ask prices are near the bid and trade.