King Harald V’s death on 28 August 2026 at age 89, after a brief final hospitalization for infection complications, has set the stage for his 9 September state funeral at Oslo Cathedral, with burial at Akershus Fortress. Trader attention centers on confirmed European royal attendance, including Denmark’s King Frederik X and Queen Mary, the full Dutch delegation led by King Willem-Alexander and Queen Máxima plus Princess Beatrix and Princess Amalia, Belgium’s King Philippe and Queen Mathilde, and Japan’s Crown Prince Akishino and Crown Princess Kiko. These announcements, alongside security preparations for the largest operation in recent Norwegian history and exclusions for certain nations, shape implied probabilities. Family transitions under new King Haakon VIII and lingering domestic scrutiny add context, though outcomes hinge on last-minute confirmations before the ceremony.