Scientific consensus and centuries of empirical evidence from satellite imagery, space travel, and physics fundamentals continue to anchor overwhelming trader confidence in a round Earth outcome. Public discourse around flat-Earth claims remains a niche cultural meme in online conspiracy circles, but it has shown no meaningful traction in mainstream sentiment or verifiable data that could shift market-implied odds. With the probability locked near 99 percent, the position reflects skin-in-the-game recognition of settled reality rather than any fleeting viral moment. Realistic upset scenarios are virtually nonexistent short of an unprecedented global revelation contradicting all established astronomy, which historical precedent and ongoing observations make exceedingly improbable.