Key Facts

The WTI crude proxy USO fell 5.46% to US$122.12, signalling a sharp single-session break lower for the US benchmark grade.

Argentina’s YPF bore the heaviest blow among regional producers, closing down 2.82% at US$51.06 as traders reassessed Vaca Muerta economics.

Brazil’s Petrobras slipped 1.75% to US$19.06, a move that cuts across both its pre-salt efficiency narrative and its colossal investment budget.

Colombia’s Ecopetrol held relatively firm at US$16.60, down 1.01% and displaying more insulation than its South American peers.