Arch Capital Group (ACGL) — 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
48.8%
3769 green · 3344 red · 607 flat · 7720 sessions
Current streak
5 green
As of May 20, 2026
Max win / lose streak
10 / 10 days
Win streak return: +10.24% · Lose: 7.72%
Median / σ daily
+0.000% · 1.824%
Avg green +1.26% · avg red 1.27%
Extreme days (>3%)
7.5%
298 up · 280 down
History from Sep 15, 1995 through May 20, 2026 · 7720 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 |
|---|---|
| Oct 24, 2001 | +39.13% |
| Mar 24, 1999 | +18.92% |
| Mar 26, 2020 | +15.33% |
| Sep 15, 1998 | +14.08% |
| Sep 18, 1998 | +13.51% |
| Dec 29, 1995 | +12.79% |
| Oct 13, 2008 | +12.52% |
| Mar 17, 2020 | +10.97% |
| Mar 24, 2020 | +10.04% |
| Mar 2, 1999 | +9.95% |
| Apr 6, 2020 | +9.83% |
| Oct 28, 2022 | +9.66% |
| May 20, 2020 | +9.36% |
| Oct 28, 2008 | +9.31% |
| Sep 30, 1999 | +9.27% |
| Nov 9, 2020 | +9.17% |
| Feb 20, 2001 | +9.14% |
| Jan 5, 2000 | +9.09% |
| Sep 18, 1996 | +9.04% |
| Nov 21, 2008 | +8.83% |
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 |
|---|---|---|
| Mar 16, 2020 | 16.88% | 56 |
| Mar 12, 2020 | 14.51% | 204 |
| Mar 19, 1999 | 13.25% | 3 |
| Mar 23, 2020 | 10.41% | 3 |
| Mar 25, 1999 | 10.23% | 39 |
| Jan 8, 1998 | 10.12% | 33 |
| Mar 9, 2020 | 9.95% | 294 |
| Feb 21, 2001 | 9.95% | 136 |
| Jul 10, 1996 | 9.55% | 49 |
| Sep 16, 1998 | 9.47% | 2 |
| Nov 19, 2008 | 9.45% | 5 |
| Mar 18, 2020 | 9.05% | 8 |
| Jun 1, 1999 | 8.88% | 7 |
| Apr 4, 2025 | 8.78% | 178 |
| Mar 8, 1999 | 8.65% | 662 |
| Apr 1, 2020 | 8.57% | 5 |
| Oct 9, 2008 | 8.49% | 2 |
| Feb 17, 1999 | 8.42% | 8 |
| Jun 30, 1999 | 8.33% | 28 |
| Jan 3, 2000 | 8.27% | 4 |
Frequently asked questions
What is the daily win rate for Arch Capital Group (ACGL)?
Historically, Arch Capital Group (ACGL) closed green on 48.8% of trading days (3769 green, 3344 red, 607 flat), using dividend-adjusted closes and a ±0.01% threshold for green vs red.
What is the current winning or losing streak for Arch Capital Group (ACGL)?
As of 2026-05-20, Arch Capital Group (ACGL) is on a 5-day winning streak (consecutive green or red days by the same rules, ignoring trailing flat days).
What does Steady, Balanced, or Explosive mean for Arch Capital Group (ACGL)?
We label Arch Capital Group (ACGL) 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 Arch Capital Group (ACGL)?
Largest single-day gain: +39.13%. Largest single-day loss: 16.88%. Tables on this page list the top record green and red days.
What counts as an "extreme" daily move for Arch Capital Group (ACGL)?
We treat a day as extreme if the absolute dividend-adjusted daily return exceeds 3%. About 7.5% of trading days for Arch Capital Group (ACGL) were extreme (298 up, 280 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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