What is the daily win rate for W. R. Berkley (WRB)?

Historically, W. R. Berkley (WRB) closed green on 40.0% of trading days (5325 green, 4977 red, 3006 flat), using dividend-adjusted closes and a ±0.01% threshold for green vs red.

What is the current winning or losing streak for W. R. Berkley (WRB)?

As of 2026-08-07, W. R. Berkley (WRB) 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 W. R. Berkley (WRB)?

We label W. R. Berkley (WRB) as "balanced" based on the sample standard deviation of daily returns: Moderate daily swings — neither calm nor dramatic.

What were the best and worst single trading days for W. R. Berkley (WRB)?

Largest single-day gain: +25.00%. Largest single-day loss: -25.93%. Tables on this page list the top record green and red days.

What counts as an "extreme" daily move for W. R. Berkley (WRB)?

We treat a day as extreme if the absolute dividend-adjusted daily return exceeds 3%. About 10.6% of trading days for W. R. Berkley (WRB) were extreme (752 up, 652 down).

W. R. Berkley (WRB) Daily Win Rate & Price Character

Market daily streak ranking →

Archetype

Balanced

Median daily return

0.000%

Daily volatility (σ)

2.220%

Win rate

40.0%

W. R. Berkley (WRB) daily session stats — win rate & streak summary

History from Oct 24, 1973 through Aug 7, 2026 · 13308 trading days with returns.

Avg daily return	+0.075%
Median daily return	0.000%
Avg green day	+1.72%
Avg red day	-1.63%
Daily volatility (σ)	2.220%
Consistency (μ/σ)	0.034
Max win streak	12 days+6.09%
Max losing streak	9 days-5.43%
Best day	+25.00%May 7, 1975
Worst day	-25.93%Feb 5, 1979
Extreme days (>3%)	10.6%752↑ · 652↓

This analysis is for informational purposes only and is not financial advice. Daily return metrics use dividend-adjusted prices from our data providers. Past patterns do not predict future returns. Verify before trading.

W. R. Berkley (WRB) daily returns calendar heatmap

Aug 11, 2025 – Aug 7, 2026 · Mon–Fri sessions only

Market daily streak ranking →

Archetype

Balanced

Median daily return

0.000%

Daily volatility (σ)

2.220%

Win rate

40.0%

W. R. Berkley (WRB) daily session stats — win rate & streak summary

History from Oct 24, 1973 through Aug 7, 2026 · 13308 trading days with returns.

Avg daily return	+0.075%
Median daily return	0.000%
Avg green day	+1.72%
Avg red day	-1.63%
Daily volatility (σ)	2.220%
Consistency (μ/σ)	0.034
Max win streak	12 days+6.09%
Max losing streak	9 days-5.43%
Best day	+25.00%May 7, 1975
Worst day	-25.93%Feb 5, 1979
Extreme days (>3%)	10.6%752↑ · 652↓

W. R. Berkley (WRB) daily returns calendar heatmap

Aug 11, 2025 – Aug 7, 2026 · Mon–Fri sessions only


Monday	+0.04%	+38.7%	2520
Tuesday	+0.01%	+39.9%	2726
Wednesday	+0.10%	+39.4%	2728
Thursday	+0.10%	+40.5%	2672
Friday	+0.14%	+41.7%	2638


May 7, 1975	+25.00%
Mar 6, 1974	+24.20%
Dec 22, 1975	+22.23%
Dec 13, 1976	+18.52%
May 27, 1977	+16.67%
Jan 13, 1976	+16.67%
May 5, 1975	+16.67%
Oct 13, 2008	+16.36%
Mar 30, 2000	+16.07%
Oct 2, 1974	+15.79%
Sep 11, 1974	+15.79%
Sep 27, 1984	+15.75%
Sep 20, 1974	+15.00%
Nov 13, 2008	+14.46%
Dec 13, 1977	+14.29%
Oct 22, 1974	+13.89%
Nov 21, 2008	+13.88%
Dec 29, 1975	+13.64%
Jan 4, 1974	+13.64%
Jul 26, 2000	+13.56%


Feb 5, 1979	-25.93%	1656
Dec 18, 1975	-16.67%	4
Mar 16, 2020	-15.42%	18
May 6, 1975	-14.29%	1
Aug 23, 1974	-14.29%	30
Jan 4, 2001	-13.71%	39
Sep 10, 1974	-13.64%	1
Oct 1, 1974	-13.64%	1
Sep 19, 1974	-13.05%	1
Mar 12, 2020	-11.51%	20
Apr 6, 1975	-11.11%	2
May 2, 1975	-11.11%	1
Apr 9, 1975	-11.11%	1
Nov 27, 1974	-11.11%	55
Apr 15, 1975	-11.11%	2
Dec 17, 1975	-11.11%	17
Nov 20, 2008	-10.93%	1
Jun 28, 1974	-10.81%	12
Jun 25, 1998	-10.37%	630
Oct 28, 1974	-10.25%	137

Daily Price Character for W. R. Berkley (WRB)

W. R. Berkley (WRB) daily session stats — win rate & streak summary

W. R. Berkley (WRB) daily returns calendar heatmap

Daily Price Character for W. R. Berkley (WRB)

W. R. Berkley (WRB) daily session stats — win rate & streak summary

W. R. Berkley (WRB) daily returns calendar heatmap

W. R. Berkley (WRB) average return by weekday chart

W. R. Berkley (WRB) win rate by weekday chart

W. R. Berkley (WRB) average return by weekday table

W. R. Berkley (WRB) biggest single-day gains in history

W. R. Berkley (WRB) biggest single-day losses in history

Frequently asked questions

Data & methodology

Explore more

W. R. Berkley (WRB) Key Financials

W. R. Berkley (WRB) daily session stats — win rate & streak summary

W. R. Berkley (WRB) daily returns calendar heatmap

W. R. Berkley (WRB) daily session stats — win rate & streak summary

W. R. Berkley (WRB) daily returns calendar heatmap

W. R. Berkley (WRB) average return by weekday chart

W. R. Berkley (WRB) win rate by weekday chart

W. R. Berkley (WRB) average return by weekday table

W. R. Berkley (WRB) biggest single-day gains in history

W. R. Berkley (WRB) biggest single-day losses in history

Frequently asked questions

What is the daily win rate for W. R. Berkley (WRB)?

What is the current winning or losing streak for W. R. Berkley (WRB)?

What does Steady, Balanced, or Explosive mean for W. R. Berkley (WRB)?

What were the best and worst single trading days for W. R. Berkley (WRB)?

What counts as an "extreme" daily move for W. R. Berkley (WRB)?

Data & methodology

How are green, red, and flat days defined?

How is the current streak calculated?

What does “vs S&P 500” mean?

Where does the archetype come from?

Explore more

W. R. Berkley (WRB) Key Financials