the specific details of (up-, or inter-) listing won't be known until they're known. recognize that until then it's all speculation, since no-one outside the company knows:
- when it will uplist to a senior US exchange;
- when it will uplist to a senior Canadian exchange;
- whether it will continue to inter-list and retain a Canadian listing.
yes, there could be currency arbitrage between interlisted stocks, and this can be identified to some degree as things are today ... we already have PTK.V @CAD and POETF.OQX @USD (and of course RI4.FRA @EUR).
you can perhaps get a deeper idea of how much this actually matters by examining issuers that have a history of already trading cross-border (e.g., Telus [T.TO/NYSE:TU], Sierra Wireless [SW.TO/NASDAQ:SWIR], or Rio Alto [RIO.TO/RIOM:NYSE] for example).
you can also form your own opinion of Norbert's Gambit if you're so inclined.
if it's of interest,
here is the NASDAQ initial listing guide (for reference), and a comprehensive article from Gowlings on the subject of
interlisting onto the TSX (what POET would actually be doing is the inverse). while a bit dated, this is a nice write-up on the
impact of interlisting, and Western had a nicely done
article too.
happy reading.
GLAL,
R.