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The technical outlook for COLB is unchanged after it rises 0.74% on August 3

Columbia Banking System, Inc. (COLB) — Daily Technical Analysis & Swing Trading Signals · Aug 3, 2026, 20:00 ET
COLB posted a 0.74% gain on Monday, August 3rd, accompanied by 0.9× normal trading volume. Key support levels exist at 31.26, 31.02 & 30.78, with resistance at 31.74, 31.98 & 32.22.

Current SwingTradeBot Technical Rating of COLB: B

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Columbia Banking System, Inc. (COLB)