The 2026–27 UEFA Nations League A league phase opens on September 24 with four groups of four, where the bottom-placed side in each drops directly to League B. Turkey, Greece, Czechia, and Wales enter as the clear underdogs in their respective groups after promotion from League B, facing established sides with superior depth and recent competitive results. The draw and prior-cycle relegations set the baseline, with no league matches yet played and limited injury updates available ahead of the opening window. Traders are pricing the wisdom-of-crowds consensus around these structural mismatches, while noting that the November conclusion and potential play-off implications for third-placed teams could still shift probabilities if early results deviate from form expectations.