Prices in MqlRates - bid or ask price?

[jaycode]

struct MqlRates
  {
   datetime time;         // opening bar time
   double   open;         // opening price Open
   double   high;         // the highest price High
   double   low;          // the lowest price Low
   double   close;        // the closing price Close
   long     tick_volume;  // the tick volume
   int      spread;       // spread
   long     real_volume;  // market volume
  };  

 Are high and low in MqlRates function Ask price or Bid price? 

[Alain Verleyen]

jaycode:

 Are high and low in MqlRates function Ask price or Bid price? 

Bid price. All charts in historical data are based on bid price.

[jaycode]

angevoyageur:
Bid price. All charts in historical data are based on bid price.

Thank you for answering, I really appreciate that!

[onapthanh]

I also think that All charts in historical data are based on bid price

[Dua Yong Rew]

therefore should you use bid price to do your analysis?