Scientific consensus and empirical evidence from centuries of astronomy, physics, and space exploration drive the overwhelming 99.3% implied probability against a flat Earth in this market. Traders weigh verifiable data such as satellite imagery, gravitational measurements, and global navigation systems that consistently affirm a spherical planet, creating strong skin-in-the-game alignment rarely seen in more speculative entertainment or pop culture resolutions. Recent developments remain negligible, with no credible shifts in mainstream scientific or cultural narratives to challenge the status quo. Realistic upset scenarios would require an unprecedented reversal of established facts, such as new contradictory discoveries from major space agencies, though historical patterns and ongoing missions make such outcomes highly improbable.