S&P 500 daily session replay · area = index weight · color = % change
~503 NAMES
—:—SPX ——0▲0▼
Loading session…
−2%+2%size = index weight
Bubble size is cap-weighted (full market cap, not float-adjusted) — a visual
approximation of S&P index weight. Snapshots are 5-minute steps, 9:30–16:00 ET.
Quotes via Yahoo Finance (delayed); membership + GICS sector from the public
S&P 500 dataset. Mid-day index additions appear the next session.