First-hour volume & direction → day classification → pullback levels
Normal day — First-hour volume (2.78M) was below the Big Volume threshold (5.25M), so no high-conviction directional signal. Mild bullish bias from the +0.09% FH move, but ~50/50 statistical edge.
Price broke above FH High (529.06) to 533.25. Pulled back through the 25% zone at 531.41.
Key levels: 529.06 above · 527.41 mid · 521.69 below. The FH range (521.69–529.06) is the day's reference frame.