Pick a date, then drag the slider (or hit Play) to watch the session unfold.
Click any ticker to chart it. Data comes from saved snapshots
(python3 snapshot.py).
What do the badges mean?
◷ PRE-OPEN — before 9:30 ET; the session hasn't started.
… FORMING — first 5 min after the open; the range is still being set.
● INSIDE RANGE — price is between the opening-range high and low. No breakout yet.
▲ BROKE HIGH — price rose above the range high → bullish breakout (long signal).
▼ BROKE LOW — price fell below the range low → bearish breakout (short signal).
— NO DATA — market closed/holiday, or no snapshot saved.