First-leg semi-final results have kept the UEFA Champions League race for home country of champion intensely competitive, with trader consensus reflecting slim margins: Paris Saint-Germain's 5-4 thriller win over Bayern Munich at Parc des Princes gives France a narrow aggregate edge, while Arsenal's 1-1 draw away at Atlético Madrid leaves England well-positioned for the Emirates return. Bayern's formidable Allianz Arena record in knockout ties and potential for comeback fuels Germany's 32% implied probability lead, closely trailed by France at 30.5% amid PSG's attacking firepower, with Arsenal's home advantage propping up England at 28%; Spain lags at 9% as Atlético's defensive resilience faces tough second-leg tests on May 5-6. Recent quarterfinal eliminations of giants like Real Madrid and Liverpool underscore the wide-open path to the May 30 final.