This market will resolve to "Drake" if one of Drake's songs places higher on the Billboard Hot 100 for the week of May 18.
This market will resolve to "Kendrick" if one of Kendrick's songs places higher on the Billboard Hot 100 for the week of May 18.
If neither artist has any songs on the Billboard Hot 100 for the week of May 18, this market will resolve to "50-50."

Note: Being one of multiple artists on a song counts for this market - for example, Like That (Future, Metro Boomin & Kendrick Lamar) would be considered as one of Kendrick's songs.

The resolution source is information from Billboard (e.g. https://www.billboard.com/charts/hot-100/) for the Week of May 18, which is typically released on the prior Tuesday (May 14).