This is SUM vs OCA since the March 2020 crash:
https://i.imgur.com/yVX70Ei.png
This is SUM vs OCA since OCA was listed:
https://i.imgur.com/2ZQYiPS.png
SUM has consistently been the stronger stock. Personally, I find OCA attractive compared to SUM as a value play (which is totally unsophisticated) with nice dividends.
How about you others - why do you choose OCA over SUM?