Blog
Fun5 min readDecember 22, 2025

Papal Prediction Markets: Who Gets the White Smoke Next?

The papal conclave is one of the oldest leadership selection processes on earth and one of the most opaque — which makes it a prediction market with exceptionally fat tails.

The papal conclave is unique in prediction market history: it's a consequential leadership selection with a billion-person constituency, conducted entirely in secret, with no public polling, no official candidate declarations, and a deliberate process of cutting off all outside communication. The information environment is about as opaque as any major institutional decision gets.

What Actually Predicts a Papal Election

Papal elections historically correlate with a few structural factors. After a long papacy, cardinals often elect someone seen as a transitional figure. After a short papacy, they sometimes elect for the long term. Geographic diversity trends matter — Europe's share of the College of Cardinals has declined sharply, meaning a non-European pope is genuinely plausible. The theological orientation of the current pope often predicts a counterreaction.

  • Cardinal elector age and nationality distribution: the base rate predictor
  • Theological balance: progressive papacy often followed by more conservative one
  • Geographic shift: Africa and Latin America now represent large shares of Catholics
  • Name selection: choosing the name of a reforming pope signals direction
  • Conclave duration: quick selection often signals pre-formed consensus

Trading the White Smoke Market on Boromarket

Boromarket runs a standing papal succession market, updated when significant health events or official news changes the landscape. The market is dominated by Vatican watchers, Catholic theology scholars, and a surprising number of professional gamblers who have studied historical conclave patterns with extraordinary precision. Cardinal Tagle of the Philippines has traded as a favourite in these markets for several years.

Papal markets are extremely low frequency — one every few decades — but the prediction community around them is remarkably sophisticated. Domain expertise genuinely matters here.

#Pope#Vatican#conclave#prediction-markets#Catholic-Church#papal-succession#religion

More in Fun