6.25 is the effective close price so if first trade is at say 6.20 it should show $6.20 , -0.05. I would note that not all quote providers pick up on the change accurately on day 1. For example I use Stockwatch.com as my L2 and all tickers etc as it has great Canadian coverage. IT seems to sometimes get its data feeds from different sources that my trading platforms of which I have 3.
as info I have GRCV is 2 accounts and none are changed yet and may not today but I have seen the r/s effects take place just before open - no idea what happens on the back end IE data dumps - pretty sure the Transfer agent is involved
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