Western Digital (WDC) — 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
Explosive
High daily volatility — frequent large price swings.
Win rate
45.4%
5436 green · 5390 red · 1159 flat · 11985 sessions
Current streak
1 green
As of May 20, 2026
Max win / lose streak
12 / 12 days
Win streak return: +27.19% · Lose: 27.24%
Median / σ daily
+0.000% · 3.746%
Avg green +2.95% · avg red 2.70%
Extreme days (>3%)
30.5%
1891 up · 1764 down
History from Nov 1, 1978 through May 20, 2026 · 11985 trading days with returns.
Trailing year — daily returns (calendar)
May 23, 2025 – May 20, 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 |
|---|---|
| Dec 1, 1998 | +36.88% |
| Mar 13, 2000 | +32.59% |
| Nov 10, 1999 | +30.46% |
| Jul 29, 2002 | +27.73% |
| Dec 11, 2000 | +27.10% |
| Aug 18, 2000 | +25.66% |
| Jan 7, 2000 | +23.19% |
| Dec 22, 1978 | +23.08% |
| Mar 9, 2000 | +21.74% |
| Aug 18, 1999 | +21.55% |
| Jan 3, 2001 | +21.43% |
| Apr 27, 1999 | +21.27% |
| Jul 26, 2012 | +20.90% |
| Jan 8, 1980 | +20.85% |
| Aug 28, 2003 | +20.73% |
| Aug 19, 1999 | +20.64% |
| Nov 3, 1998 | +20.35% |
| Jan 17, 1980 | +20.16% |
| Jan 12, 1979 | +20.00% |
| Jul 14, 1999 | +19.37% |
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 4, 2000 | 32.00% | 6 |
| Feb 8, 1991 | 29.53% | 427 |
| Jun 10, 1998 | 27.88% | 121 |
| Oct 19, 1987 | 27.53% | 2157 |
| Nov 7, 1997 | 21.89% | 2533 |
| Jul 22, 2002 | 21.10% | 5 |
| Mar 16, 2020 | 20.44% | 8 |
| Mar 17, 1993 | 18.37% | 164 |
| Apr 3, 2025 | 18.27% | 18 |
| Oct 26, 2018 | 18.19% | 116 |
| Nov 29, 2000 | 17.90% | 35 |
| May 7, 2002 | 17.86% | 5 |
| Oct 31, 2019 | 16.90% | 36 |
| Oct 26, 1987 | 16.74% | 4 |
| Mar 24, 1982 | 16.60% | 217 |
| Aug 6, 2020 | 16.14% | 76 |
| Nov 28, 2000 | 16.01% | 38 |
| Sep 29, 1997 | 15.46% | 3855 |
| Jul 25, 2003 | 15.13% | 30 |
| Jan 7, 1988 | 15.02% | 50 |
Frequently asked questions
What is the daily win rate for Western Digital (WDC)?
Historically, Western Digital (WDC) closed green on 45.4% of trading days (5436 green, 5390 red, 1159 flat), using dividend-adjusted closes and a ±0.01% threshold for green vs red.
What is the current winning or losing streak for Western Digital (WDC)?
As of 2026-05-20, Western Digital (WDC) is on a 1-day winning streak (consecutive green or red days by the same rules, ignoring trailing flat days).
What does Steady, Balanced, or Explosive mean for Western Digital (WDC)?
We label Western Digital (WDC) as "explosive" based on the sample standard deviation of daily returns: High daily volatility — frequent large price swings.
What were the best and worst single trading days for Western Digital (WDC)?
Largest single-day gain: +36.88%. Largest single-day loss: 32.00%. Tables on this page list the top record green and red days.
What counts as an "extreme" daily move for Western Digital (WDC)?
We treat a day as extreme if the absolute dividend-adjusted daily return exceeds 3%. About 30.5% of trading days for Western Digital (WDC) were extreme (1891 up, 1764 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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