Chart pattern
COST chart pattern — Costco
1 formation detected on the latest close (Nov 06, 2026).
Double Bottom · Weekly candles
Bullish▲ Broken out
Last close$1,053.56
Break dateOct 16, 2026
Break level$987.55
Bars since break3
Break volume1.0x avg
Measured target$1,092.00 (+3.6%)
Pattern spanJul 10, 2026 → 17 bars
Touches3
Fit score71/100
Two successful defences of the same low, separated by a rally — the classic W. Trigger: A close above the neckline — the high between the two lows. Invalidation: A close below the twin lows.
Automated detection for education and research; not a recommendation. Levels are drawn from split-adjusted daily prices.