Aon (AON) — 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.
AON
Archetype
Steady
Low daily volatility — small, predictable daily moves.
Win rate
49.0%
5683 green · 5181 red · 721 flat · 11585 sessions
Current streak
2 red
As of May 20, 2026
Max win / lose streak
11 / 9 days
Win streak return: +14.67% · Lose: 6.73%
Median / σ daily
+0.000% · 1.734%
Avg green +1.22% · avg red 1.20%
Extreme days (>3%)
6.4%
393 up · 345 down
History from Jun 3, 1980 through May 20, 2026 · 11585 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 |
|---|---|
| Aug 14, 2002 | +22.14% |
| Aug 3, 2005 | +16.89% |
| May 4, 2005 | +14.99% |
| Mar 24, 2020 | +14.13% |
| Mar 16, 2000 | +12.47% |
| Apr 6, 2020 | +12.33% |
| May 4, 2000 | +11.89% |
| Nov 5, 1999 | +11.47% |
| Feb 6, 2009 | +11.45% |
| Oct 31, 2008 | +11.03% |
| Oct 22, 1999 | +10.66% |
| Mar 15, 2000 | +10.63% |
| Oct 15, 2002 | +10.20% |
| Mar 30, 2000 | +9.84% |
| Oct 26, 2004 | +9.70% |
| Jul 25, 2000 | +9.49% |
| Mar 1, 2000 | +9.45% |
| Feb 10, 2006 | +9.29% |
| Oct 7, 1982 | +9.29% |
| Jul 2, 1982 | +9.17% |
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 |
|---|---|---|
| Aug 7, 2002 | 30.32% | 25 |
| Jan 10, 2000 | 29.54% | 204 |
| Nov 2, 2000 | 18.30% | 222 |
| Mar 9, 2020 | 16.70% | 151 |
| Oct 14, 2004 | 16.21% | 202 |
| May 1, 2009 | 13.78% | 83 |
| Oct 19, 1987 | 12.68% | 89 |
| Nov 7, 2001 | 10.49% | 1014 |
| Oct 8, 1998 | 10.42% | 5 |
| Nov 10, 1987 | 9.90% | 4 |
| Oct 19, 2004 | 9.75% | 5 |
| Oct 31, 2002 | 9.58% | 43 |
| Jan 23, 1984 | 9.47% | 247 |
| May 5, 2006 | 9.46% | 250 |
| Nov 3, 2000 | 9.43% | 36 |
| Apr 29, 2022 | 9.28% | 178 |
| Feb 9, 2026 | 9.27% | — |
| Nov 1, 2002 | 9.25% | 3 |
| Nov 3, 1998 | 9.17% | 81 |
| Apr 20, 2001 | 8.78% | 28 |
Frequently asked questions
What is the daily win rate for Aon (AON)?
Historically, Aon (AON) closed green on 49.0% of trading days (5683 green, 5181 red, 721 flat), using dividend-adjusted closes and a ±0.01% threshold for green vs red.
What is the current winning or losing streak for Aon (AON)?
As of 2026-05-20, Aon (AON) is on a 2-day losing streak (consecutive green or red days by the same rules, ignoring trailing flat days).
What does Steady, Balanced, or Explosive mean for Aon (AON)?
We label Aon (AON) 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 Aon (AON)?
Largest single-day gain: +22.14%. Largest single-day loss: 30.32%. Tables on this page list the top record green and red days.
What counts as an "extreme" daily move for Aon (AON)?
We treat a day as extreme if the absolute dividend-adjusted daily return exceeds 3%. About 6.4% of trading days for Aon (AON) were extreme (393 up, 345 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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