2011 mintage of the two-dollar coin in fine condition is valued at $0.54. Assuming 1.21 : 1 exchange ratio, that's $0.65 CAD, or a 67.5% discount from face value.
I highly doubt that I'll be able to use my entire retirement savings to buy tens of thousands of poor-condition 2011 toonies and triple my money but is that something that's theoretically achievable on large enough scale? Is this a glitch, or will someone really sell me a $2 coin at a 65% discount? :^D
These estimations come from users of Numista, and they put the prices themselves. Technically, you can put any value you want. The logarithm estimates the price, based on the numbers provided by dropping off the lowest and the highest prices (I am not sure the exact formula though). My guess that the F condition, in this case, does not have many numbers to work with since most people probably put VF, XF, UNC values.
In this case, maybe several people put low value by mistake, maybe somebody in Europe bought a bulk lot with thousand coins for 450 euros, had $2 Canadian there, simply divided 450/1000 and put a price of around 45 euro cents. Maybe someone in Canada found such a coin for free and put a vaue of obtaining it for him/her as $0.01. The scenarios can be different, but you got the point.
These Numista estimations are extremely useful tools, but they need to be taken with caution and understanding where they come from.
but is that something that's theoretically achievable on large enough scale? Is this a glitch, or will someone really sell me a $2 coin at a 65% discount? :^D 
I'll just go and deposit back the $100K I've just withdrawn... :P 