Nottingham Forest vs FC Porto looks far more favourable for the visitors than the market implies. Porto arrive with the stronger overall level, the better recent run and a much more reliable defensive platform, so they should be the side with more control over the key phases of the match. Forest have home advantage, but their wider performance level has been much less convincing and they may struggle to live with Porto if the visitors settle early.
The most likely script is Porto managing the game with greater maturity, limiting clear openings and creating the better chances over time. That points first toward the away side and the away-protection markets, while the goal shape leans more toward a controlled medium-scoring match than a chaotic shootout.