The strong market consensus favoring no VEI 6 or greater eruption in 2026 rests on the low historical frequency of such events, which occur on average once every several decades based on global volcanic records. Current monitoring by agencies like the USGS shows no large-scale magma chamber inflation or seismic swarms at known high-risk calderas that would signal rapid escalation to Plinian-scale activity. While volcanic systems can evolve quickly, the absence of precursory unrest and the statistical baseline of roughly 0.5–1 percent annual probability for a major explosive event reinforce trader positioning. A sudden shift could occur only if new geophysical data revealed accelerated unrest at sites like Yellowstone or Campi Flegrei.