COLB

Columbia Banking System, Inc. $30.11 1M -6.6% 3M -2.3% YTD +6.8% as of 2026-09-11
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Model view — historical tendencies for the days ahead, not a forecast
Next 1 day
+0.1%
Next 1 week
-0.5%
Next 1 month
-0.3%
Seasonality
No real seasonal tilt
Next 30 days (to Oct 14): +0.0% median, 48% of the last 33 years finished up.
20-year seasonality chart →
Mean reversion
Neutral — RSI(2) at 55
RSI(2) under 15 is oversold (this name has historically bounced); over 85 is overbought. Its dip-buy edge in history is +0.02%/day.
Mean-reversion stats →
1-month breakdown — Market · β 0.95 -0.2% · Seasonal tilt -0.1%
$88M/day volume 28% volatility +15% 1-year -41% from ATH
52-week range · 64% of the way up · -11% from the high
$23.83$33.68

Congressional trades in COLB Full tracker →

3 members · 2 buys / 2 sells · $32K–$130K disclosed · latest filing Apr 8, 2026.

SELL JG Josh Gottheimer · traded Mar 5, 2026 $1K–$15K
SELL GC Gilbert Cisneros · traded Jan 15, 2026 $15K–$50K
BUY GC Gilbert Cisneros · traded Oct 3, 2025 $1K–$15K
BUY DG Daniel Goldman · traded Apr 10, 2023 $15K–$50K

Earnings Full history →

Next report 2026-10-29 (Thursday, after close, in 45 days) · EPS est. 0.77.

1-day std dev
4.0%
Finished up
50%
Biggest pop
+11.6%
Biggest drop
-21.1%

Standard deviation of the close-to-close move over the last 60 reports. History, not a forecast.

Data from the U.S. House Clerk and FINRA, plus end-of-day prices. Not investment advice.