Oil prices edged lower after rising for five straight trading days, with WTI crude falling below $82 a barrel and Brent crude briefly slipping under $87, according to Gate market data cited by ChainCatcher. Traders were waiting for developments on the reopening of the Strait of Hormuz, a key route for global oil shipments. The International Energy Agency said the global oil market faces a supply shortfall of 1.8 million barrels per day this quarter, more than double its previous forecast. In the United States, gasoline and diesel prices have reached fresh highs for this time of year, underscoring the pressure on fuel markets.