Aeroplan has posted a number of promotions for Boxing Day currently live at Aeroplan.com.
See full deals here: https://www.aeroplan.com/BoxingWeek2017.do?currentLanguage=en&cid=BAN30000819.
Of interest, members can earn up to 7X the miles on select retailers at the Aeroplan eStore until January 2nd. This includes retailers such as: Michael Kors, iTunes, Sephora, Nike and many more.
In addition from Dec 18 – 28th, members can earn 4x the miles at Costco.ca.