### Comment:
Listen.  I have app &amp; account I just want to buy corn at current price, why is NYSE:CORN ask price at $18.50 
  
 I want to buy it at 16.70 max right now how does this work.  TD Ameritrade app

### REPLY:
If no one is will to sell it at 16.70 you can't buy it at 16.70. Wait till the volume picks up.

### END.