Westamerica Bancorporation (WABC) — Daily Price Character
Historical session stats from dividend-adjusted prices: win rate, streaks, record days, weekday patterns, and (when available) how often the stock was green on S&P 500 green days.
Archetype
Steady
Low daily volatility — small, predictable daily moves.
Win rate
43.1%
5018 green · 4802 red · 1820 flat · 11640 sessions
Current streak
1 red
As of May 22, 2026
Max win / lose streak
16 / 10 days
Win streak return: +26.76% · Lose: 12.39%
Median / σ daily
+0.000% · 1.774%
Avg green +1.40% · avg red 1.33%
Extreme days (>3%)
7.7%
483 up · 417 down
History from Mar 18, 1980 through May 22, 2026 · 11640 trading days with returns.
Trailing year — daily returns (calendar)
May 27, 2025 – May 22, 2026 · Mon–Fri sessions only
Monday–Friday — average return
Average dividend-adjusted return on that weekday (green / red by sign). Green/red day rule: ±0.01% vs prior close.
Monday–Friday — win rate
Share of sessions that closed green on that weekday. Bars are green at or above 50%, red below 50%.
Top green days
Largest single-session gains (dividend-adjusted), by historical return.
| Date | Return |
|---|---|
| Feb 8, 1988 | +26.09% |
| Sep 22, 1986 | +18.40% |
| Mar 17, 2020 | +17.11% |
| Mar 13, 2020 | +15.27% |
| Oct 10, 2008 | +15.23% |
| Oct 28, 2008 | +13.43% |
| Nov 6, 2024 | +12.62% |
| Jan 7, 1987 | +12.42% |
| Mar 23, 2009 | +12.27% |
| Sep 18, 2008 | +12.05% |
| Mar 16, 2000 | +11.83% |
| Sep 11, 1998 | +11.54% |
| Jul 16, 2008 | +11.18% |
| Feb 19, 1997 | +10.97% |
| Jan 23, 2008 | +10.93% |
| Sep 29, 1988 | +10.47% |
| Nov 13, 2008 | +10.17% |
| Nov 24, 2008 | +9.88% |
| Apr 19, 1983 | +9.84% |
| Apr 9, 2009 | +9.81% |
Worst red days
Largest single-session losses; "Days to recovery" counts trading sessions until close recovered the prior peak (dividend-adjusted).
| Date | Return | Days to recovery |
|---|---|---|
| Dec 1, 2008 | 14.08% | 99 |
| Oct 19, 1987 | 12.86% | 341 |
| Jun 30, 2000 | 12.54% | 30 |
| Sep 26, 1990 | 11.26% | 90 |
| Mar 20, 2020 | 9.91% | 4 |
| Aug 8, 2011 | 9.64% | 54 |
| Mar 12, 2020 | 9.28% | 1 |
| Oct 15, 2008 | 9.18% | 11 |
| Aug 31, 1998 | 8.90% | 2 |
| Apr 27, 1983 | 8.83% | 25 |
| Jan 20, 2009 | 8.71% | 6 |
| Aug 10, 2011 | 8.24% | 13 |
| Feb 17, 1987 | 8.16% | 11 |
| Jan 3, 2000 | 8.05% | 62 |
| Jun 16, 2000 | 7.83% | 7 |
| Sep 22, 2008 | 7.63% | 335 |
| Mar 9, 2020 | 7.54% | 6 |
| Sep 8, 1986 | 7.44% | 10 |
| Aug 3, 1990 | 7.28% | 591 |
| Nov 14, 2008 | 7.28% | 112 |
Frequently asked questions
What is the daily win rate for Westamerica Bancorporation (WABC)?
Historically, Westamerica Bancorporation (WABC) closed green on 43.1% of trading days (5018 green, 4802 red, 1820 flat), using dividend-adjusted closes and a ±0.01% threshold for green vs red.
What is the current winning or losing streak for Westamerica Bancorporation (WABC)?
As of 2026-05-22, Westamerica Bancorporation (WABC) is on a 1-day losing streak (consecutive green or red days by the same rules, ignoring trailing flat days).
What does Steady, Balanced, or Explosive mean for Westamerica Bancorporation (WABC)?
We label Westamerica Bancorporation (WABC) as "steady" based on the sample standard deviation of daily returns: Low daily volatility — small, predictable daily moves.
What were the best and worst single trading days for Westamerica Bancorporation (WABC)?
Largest single-day gain: +26.09%. Largest single-day loss: 14.08%. Tables on this page list the top record green and red days.
What counts as an "extreme" daily move for Westamerica Bancorporation (WABC)?
We treat a day as extreme if the absolute dividend-adjusted daily return exceeds 3%. About 7.7% of trading days for Westamerica Bancorporation (WABC) were extreme (483 up, 417 down).
Data & methodology
How are green, red, and flat days defined?
We use dividend-adjusted (or close-to-close for non-equity) daily returns. Green: return ≥ +0.01%. Red: return ≤ −0.01%. Flat: between those bounds.
How is the current streak calculated?
We count consecutive green or consecutive red days using the same thresholds. If the most recent session is flat, we skip trailing flat days and measure from the last non-flat close.
What does “vs S&P 500” mean?
On sessions where the S&P 500 (^GSPC) was green, we report how often this stock was also green. Shown only for USD equities when benchmark data exists and the symbol is not the index itself.
Where does the archetype come from?
Sample standard deviation of daily returns: low → Steady, high → Explosive, otherwise Balanced. Labels describe typical daily volatility, not quality of the investment.
Explore more
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