Chart pattern
PKG chart pattern — Packaging Corporation of America
2 formations detected on the latest close (Nov 06, 2026).
Triple Top · Weekly candles
BearishForming

Last close$249.70
Trigger$225.83 (-9.6%)
Pattern spanJul 24, 2026 → 15 bars
Touches5
Fit score83/100
Three failed attempts at the same high — heavier supply than a double top. Trigger: A close below the neckline drawn through the intervening lows. Invalidation: A close above the three peaks — a level tested three times and then cleared is a strong bullish signal.
Ascending Channel · Daily candles
BullishForming

Last close$249.70
Trigger$263.84 (+5.7%)
Upper boundary$263.84
Lower boundary$239.57
Pattern spanSep 21, 2026 → 34 bars
Touches4
Fit score66/100
A steady uptrend held between two parallel rising lines. Trigger: Inside the channel, the lower rail is the buy zone. A close below it warns the trend is breaking; a close above the upper rail is an acceleration. Invalidation: A sustained close below the lower rail.
Automated detection for education and research; not a recommendation. Levels are drawn from split-adjusted daily prices.