South Korea's World Cup candidacy and Aldo Rebelo's Brazilian presidential bid operate in entirely different domains—one athletic, one political. Yet both currently trade at 0% YES on Polymarket, signaling unanimous trader skepticism that either outcome will materialize. This parallel pricing despite their structural differences invites closer examination: what drives the conviction behind these identical prices, and what would need to change for traders to reassess either market? The 0% YES for South Korea reflects decades of tournament history where the nation has never won a FIFA World Cup, combined with intense regional competition in Asia qualifying and the dominance of traditional powerhouses like France, Argentina, and Brazil. For Aldo Rebelo, the zero price likely stems from weak polling, limited name recognition, or positioning as a fringe candidate relative to better-organized alternatives within Brazil's political landscape. Both markets have essentially been written off by traders, yet the underlying rationales differ: one reflects historical underperformance in a sport where outcomes depend on tournament-specific variables, the other reflects current political viability and campaign infrastructure. Direct correlation between these outcomes is minimal—South Korea's World Cup tournament occurs mid-2026, while Brazilian elections typically fall in October, limiting temporal overlap. A macro shock (financial crisis, geopolitical disruption) could theoretically ripple across both through investor confidence and national sentiment, but such an event would move many unrelated markets simultaneously. More realistically, these operate independently. Readers monitoring both should watch: for South Korea, qualifying-round performance, key player fitness, and coaching decisions; for Brazil, weekly polling aggregates, Rebelo's campaign announcements, rival candidate endorsements, and economic indicators tied to voter sentiment. Any upward movement from 0% in either market would represent a material shift in trader conviction worth investigating. The core insight: 0% prices don't indicate impossibility—they reflect trader aggregation that alternatives are far more probable. At these extremes, the YES/NO spread contains no useful signal about preference between alternative outcomes; only a rise in YES probability would reveal changing conviction. Both markets exemplify how deeply skeptical traders are of long-shot outcomes, whether in sports or politics.