DislikedOnly in fairytales.
As I said, the price of a binary option is based on the average volatility. If your option expires next week then the seller of that option will calculate how much the underlying pair moves in 7 days and will add his comission.
If the pair's price moves a certain number of pips in the opposite direction, your chance of reaching a certain price is decreasing accordingly and that is of course factored in the current price of your option.
There's no free lunch, as you try to put it. If binary options would have the slightest...Ignored
Binary Options Trader