King Harald V’s death on August 28 at age 89, following hospitalization for a blood disorder and infection, has set the stage for his September 9 state funeral at Oslo Cathedral, driving trader focus on likely attendees among European royalty and the Norwegian royal family. National mourning and the succession of son Haakon VIII have amplified interest in confirmed or expected guests, including Queen Sonja, Princess Märtha Louise, and counterparts such as King Charles III or Sweden’s King Carl XVI Gustaf, whose condolences signal traditional protocol. Family health challenges and recent scandals add uncertainty around participation, while the short timeline to the ceremony means late confirmations, travel reports, or official guest lists could quickly shift market-implied odds on specific individuals.