Request for history bars of derivativeMarket for TradingView.
OK response.
Close price.
Error message.
"Something has failed"
High price.
Low price.
Unix time of the next bar if there is no data in the requested period (optional).
1484871000
Open price.
Status of the response.
"error"
Bar time, Unix timestamp (UTC). Daily bars should only have the date part, time should be 0.
Volume.