The market is emphatic here: Dortmund at 1.30 implies ~77% win probability, reflecting the enormous class gap between a Bundesliga top-two side and a newly promoted Hamburg. H2H reinforces this — BVB have won four of six meetings, including a 3-2 home win earlier in 2026 and dominant 3-0 and 5-2 victories in recent seasons at Signal Iduna Park. Hamburg's pre-season/early form (2.17 goals scored, but 1.5 conceded per game) suggests they can score but are porous, and Dortmund's home crowd and quality advantage is decisive.