What do the leters "o" and "h" mean

 
What do the leters "o" and "h" mean in "USDCADh" and "EURGBPo"?
 
hubi78:
What do the leters "o" and "h" mean in "USDCADh" and "EURGBPo"?
The symbols name are defined by the broker, so better to ask to your broker.
 
thank you
Reason: