Coherent Kelly: growth-optimal stakes under a MILP-certified worst-case-drawdown floor over the Polymarket FIFA World Cup 2026 markets — expected log-growth versus worst-case drawdown and CVaR tail risk, with risk-free structural arbitrage as the zero-drawdown (D=0) endpoint, plus a capital-deployment frontier (return on capital vs deployed capital, with the recommended knee), allocations, downside distribution and a recommended-point history.