SPY is trading up 0.84% after in-line August CPI, closing at $764.20 on September 11, 2026.

  • After-hours trading was $764.25.
  • Headline CPI rose 3.4% year over year and 0.4% month over month, matching expectations; core CPI was hotter at 0.3% month over month.
  • Annual core inflation eased as stocks rallied broadly; technology led, while falling oil prices reduced near-term pressure and supported SPY’s information-technology weighting amid higher September Fed hike odds.