Borrowing from my friend Fourier's post, we should review how the cap system works:
While the CAD was hovering around 0.90-1.0 range, we believed that 40% of NHL HRR was derived from Canada (inclusive of the Rogers deal).
So HRR of $3.7 billion would have been ~US$1.480 b from Canadian sources, leaving US$2.220 b immune to currency fluctuation.
Using an annual average of 0.8, the Canadian-derived portion yields US$1.184b; and 0.7 yields $1.036b; and 0.6 yields $888 MM.
Adding these back up, we're left with total HRR of, in the same order:
$3404
$3256
$3108
Relative to US franchises, Canadian teams ranks would probably remain mostly unaltered at 0.8, a slide to the middle for the lowest ranking of them at 0.7, and a massive slide at 0.6. [These are based on the CAD's annual average for the league year.]
Winnipeg is the lowest in est HRR of the Canadian teams, per Forbes, at $102 MM. Their new HRR at the above levels would range between mid 80s to mid $60s MM.
So the big market US teams would be the main contributors to revenue transfer at the lowest CAD level; and more of the mid-small Canadian teams would qualify at the middle tier.
However, league spending on players is 50% of HRR, so while making a lot less money, they also would be spending far less on player salaries, with a cap midpoint being around $51 MM at the 0.6 level!
(This is just to illustrate the built in protection a cap system provides. The US revenue sharing of US national monies would still be in USD, so not all of the Canadian team revenues would be susceptible to the currency flux.)