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Technical picture remains unchanged for COLB after it falls 0.03% on August 27

Columbia Banking System, Inc. (COLB) — Daily Technical Analysis & Swing Trading Signals · Aug 27, 2026, 17:37 ET
COLB posted a 0.03% loss on Thursday, August 27th, accompanied by 0.1× normal trading volume. Key support levels exist at 30.39, 30.07 & 29.89, with resistance at 30.89, 31.07 & 31.39. Meanwhile, Slow Stochastic is showing oversold conditions.

Current SwingTradeBot Technical Rating of COLB: C

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Columbia Banking System, Inc. (COLB)