Even though Atletico only have a three-point gap with Real Sociedad, but I personally am very confident that Atletico will still be able to end this season in third place. Because Real Sociedad and also Betis do not have good stability in their performance in every match, this factor makes it difficult for Real Sociedad and Betis to compete for third place.
Therefore, I think there will be competition for fourth place and the two teams will be Real Sociedad and Betis, because Atletico will be able to focus on locking in third until the end of the season.
The third position is still contested by Real Sociedad because the difference in points is quite small and there is still a possibility to win in the next match, even though the chances that Real Sociedad have are very small, if they try their best they will give a very good result. Atletico Madrid's next few matches will be against Barcelona, and the possibility is that Atletico Madrid will struggle to keep their defense and their chances of winning will be slim, so Real Sociedad must make the most of it to gain points.