欧佩克+5月原油出口不增反降，原油期货跨期价差逆势大涨，市场转而计价偏紧格局；供需两端宏观扰动频发，月内油价恐进入震荡阶段；夏季需求有望形成买盘支撑，但多头最佳入场机会并非眼下？

Group 1 - OPEC+ crude oil exports in May decreased instead of increasing, indicating a tighter market condition [1] - The futures market is experiencing a significant rise in cross-period price spreads, reflecting a shift towards a tighter pricing environment [1] - Macroeconomic disturbances on both supply and demand sides are frequent, suggesting that oil prices may enter a volatile phase within the month [1] Group 2 - Summer demand is expected to create buying support, but the optimal entry point for bullish positions may not be immediate [1]