W. R. Berkley (WRB) seasonality heatmap
Returns across monthly, quarterly, and yearly periods. Cell color encodes signed magnitude; the scale auto-fits each table.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -2.2% | +4.7% | -7.6% | +0.8% | -4.9% | +12.0% | +7.3% | — | — | — | — | — |
| 2025 | +0.5% | +7.2% | +13.0% | +0.7% | +4.2% | -0.8% | -6.3% | +4.2% | +7.0% | -6.9% | +8.9% | -8.3% |
| 2024 | +15.8% | +2.1% | +5.9% | -13.0% | +5.3% | -1.7% | +5.2% | +8.3% | -4.4% | +0.8% | +12.9% | -8.5% |
| 2023 | -2.7% | -5.6% | -5.8% | -5.4% | -5.5% | +7.2% | +3.6% | +0.3% | +3.6% | +6.2% | +7.6% | -1.7% |
| 2022 | +2.6% | +6.9% | +10.8% | -0.2% | +7.0% | -3.1% | -8.4% | +3.6% | -0.2% | +15.2% | +2.5% | -4.7% |
| 2021 | -6.4% | +11.5% | +8.9% | +5.8% | -2.2% | -3.7% | -1.7% | +2.9% | -2.6% | +8.8% | -3.7% | +9.1% |
| 2020 | +6.4% | -8.7% | -22.1% | +3.5% | +7.4% | -0.9% | +7.8% | +0.5% | -1.3% | -1.7% | +8.3% | +2.2% |
| 2019 | +4.0% | +8.8% | +1.4% | +8.5% | +1.4% | +7.0% | +5.2% | +2.7% | +1.5% | -3.2% | -1.5% | +1.6% |
| 2018 | +1.8% | -6.3% | +6.5% | +2.5% | +2.6% | -4.6% | +4.7% | +3.3% | +3.0% | -5.0% | +4.6% | -6.1% |
| 2017 | +1.0% | +5.7% | -0.5% | -3.8% | +1.5% | +1.2% | -0.2% | -3.4% | +0.3% | +2.7% | +1.8% | +3.7% |
| 2016 | -8.4% | +2.7% | +9.3% | -0.3% | +1.8% | +5.3% | -2.9% | +2.1% | -1.6% | -1.1% | +9.3% | +7.7% |
| 2015 | -4.4% | +1.9% | +1.4% | -3.0% | 0.0% | +6.3% | +7.2% | -2.6% | +0.4% | +2.7% | -0.1% | -1.6% |
| 2014 | -10.7% | +6.5% | +1.2% | +6.3% | +0.7% | +4.1% | -3.7% | +8.5% | -1.0% | +7.9% | +1.6% | +0.2% |
| 2013 | +9.1% | +0.9% | +7.2% | -2.1% | -5.7% | 0.0% | +3.6% | -3.0% | +4.5% | +2.5% | -0.1% | -0.8% |
| 2012 | -0.4% | +4.2% | +1.3% | +4.3% | +1.7% | +1.8% | -5.9% | +2.0% | +0.6% | +3.6% | +2.5% | -2.6% |
| 2011 | +3.1% | +6.0% | +7.7% | +1.3% | +1.6% | -1.9% | -5.1% | +0.3% | -3.5% | +17.1% | -1.9% | +1.1% |
| 2010 | -1.2% | +5.7% | +1.5% | +3.5% | +1.1% | -2.6% | +2.0% | -2.5% | +3.1% | +1.6% | -2.9% | +2.8% |
| 2009 | -14.6% | -21.3% | +8.6% | +6.0% | -9.3% | -0.7% | +8.0% | +10.1% | -0.9% | -2.3% | 0.0% | 0.0% |
| 2008 | +1.3% | -4.5% | -3.7% | -7.2% | +5.5% | -10.4% | -2.2% | -0.4% | +0.4% | +11.5% | +8.1% | +9.5% |
| 2007 | -4.1% | -1.5% | +1.7% | -1.8% | +1.4% | -1.2% | -9.5% | +1.5% | -0.8% | +1.7% | +1.6% | -2.6% |
| 2006 | +3.7% | +17.2% | +0.4% | -3.3% | -8.2% | -0.6% | +5.6% | -2.9% | +1.4% | +4.0% | -4.8% | -1.5% |
| 2005 | +0.9% | +7.7% | -3.0% | -1.8% | +9.1% | +0.8% | +4.8% | -5.1% | +11.5% | +10.5% | +6.8% | +2.2% |
| 2004 | +10.3% | +7.9% | -3.8% | +1.4% | +2.8% | +3.5% | -4.7% | -1.4% | +4.7% | +1.3% | +6.0% | +4.2% |
| 2003 | -1.3% | +3.5% | +5.9% | +8.7% | +5.8% | +7.6% | -2.9% | -3.0% | +3.4% | +0.3% | -0.7% | +2.6% |
| 2002 | -6.3% | +8.2% | +5.7% | +5.4% | -2.6% | -6.1% | -3.7% | -4.4% | +1.0% | +9.0% | +6.5% | +0.9% |
| 2001 | -25.7% | +21.8% | +6.2% | -10.5% | +7.8% | -4.8% | +1.3% | -8.8% | +26.0% | +10.9% | +0.5% | +1.0% |
| 2000 | -16.4% | -7.8% | +44.8% | -8.1% | +4.0% | -14.2% | +29.1% | +9.2% | +31.2% | -1.5% | +5.4% | +31.6% |
| 1999 | -23.9% | +10.1% | -14.2% | +13.1% | -7.9% | -1.5% | -3.4% | -5.7% | +2.1% | -0.7% | -6.7% | -1.8% |
| 1998 | -5.7% | +10.8% | +3.7% | -1.2% | 0.0% | -14.3% | -16.0% | -5.8% | -4.4% | +0.9% | +10.9% | +1.6% |
| 1997 | -5.0% | +7.1% | 0.0% | -4.1% | +6.0% | +13.8% | -2.1% | -3.6% | +16.7% | -4.5% | +1.4% | +5.4% |
| 1996 | -6.5% | -9.5% | +1.9% | -6.7% | +1.2% | -3.4% | -2.5% | +12.4% | 0.0% | +14.0% | +0.8% | -3.3% |
| 1995 | -0.7% | -4.1% | +3.2% | +2.1% | -2.1% | -2.5% | +7.9% | +11.3% | +6.8% | -4.9% | +5.2% | +18.1% |
| 1994 | +1.5% | 0.0% | -1.1% | +3.6% | +6.3% | +0.3% | -2.6% | -2.7% | -1.8% | +0.7% | -8.5% | +13.6% |
| 1993 | +2.4% | +6.3% | 0.0% | -7.8% | -4.2% | -5.3% | +9.2% | +7.4% | -6.3% | -9.6% | -6.7% | -1.9% |
| 1992 | +9.2% | +2.3% | -2.8% | -3.1% | +2.4% | +1.8% | +5.4% | 0.0% | +25.8% | +5.4% | -5.2% | -2.1% |
| 1991 | -0.7% | +19.7% | -1.5% | +2.6% | +4.3% | -5.5% | -5.2% | -5.5% | -8.8% | +15.3% | 0.0% | +10.5% |
| 1990 | -12.1% | +5.6% | +1.0% | +9.0% | +3.7% | -4.3% | 0.0% | -17.8% | -4.9% | +1.2% | +14.4% | +2.3% |
| 1989 | +7.6% | -3.1% | -4.6% | +14.5% | -6.7% | +1.9% | +8.7% | +12.5% | +4.2% | +7.6% | +6.2% | -12.3% |
| 1988 | +3.1% | +15.2% | -15.8% | +4.6% | -1.0% | +4.4% | 0.0% | +5.3% | +2.6% | +5.4% | +2.6% | -1.4% |
| 1987 | +5.7% | +15.3% | +4.7% | -15.4% | -4.4% | -2.4% | -1.0% | +2.9% | -2.4% | -15.4% | -1.1% | +10.7% |
| 1986 | +13.0% | +19.2% | +16.7% | -12.9% | +21.2% | +4.9% | -15.6% | +12.6% | -19.6% | -12.3% | -6.5% | +5.2% |
| 1985 | -8.5% | +13.0% | -1.6% | -3.3% | +6.0% | -2.4% | +19.2% | +23.1% | -8.5% | -3.1% | +39.7% | +26.6% |
| 1984 | 0.0% | -3.7% | 0.0% | 0.0% | 0.0% | 0.0% | -1.9% | -2.0% | +25.0% | -5.6% | -0.9% | +0.9% |
| 1983 | 0.0% | +1.1% | +5.6% | +27.7% | -5.0% | -5.3% | +11.1% | -1.7% | -1.7% | +3.4% | -11.7% | +1.9% |
| 1982 | +20.2% | -5.6% | -1.7% | +1.7% | -15.2% | -0.0% | -8.0% | -13.0% | +27.5% | -9.8% | 0.0% | -4.3% |
| 1981 | +21.3% | +10.5% | +3.2% | +1.5% | +4.5% | -5.8% | +10.8% | -4.2% | -17.4% | -1.8% | +5.4% | -11.9% |
| 1980 | +22.2% | +3.0% | -25.0% | 0.0% | +9.8% | -1.8% | +1.8% | +1.8% | -3.5% | -5.4% | 0.0% | -9.6% |
| 1979 | 0.0% | -29.6% | +1.8% | -8.6% | -1.9% | +7.7% | +5.4% | -10.2% | +13.2% | 0.0% | -5.0% | -5.3% |
| 1978 | -7.7% | +2.8% | 0.0% | +8.1% | +16.2% | -3.2% | +4.4% | +23.4% | +22.4% | +1.4% | -2.8% | +15.7% |
| 1977 | +8.6% | +7.9% | -17.1% | +17.7% | +37.5% | -3.6% | +24.5% | +3.0% | -1.5% | -1.5% | +6.1% | +11.4% |
| 1976 | +12.5% | -7.4% | -4.0% | 0.0% | +16.7% | +7.1% | -13.3% | 0.0% | +3.8% | +3.7% | -10.7% | +40.0% |
| 1975 | -4.0% | +12.5% | +3.7% | -3.6% | +29.6% | +2.9% | -2.8% | -5.7% | -3.0% | -12.5% | 0.0% | -14.3% |
| 1974 | +9.1% | +10.4% | +47.2% | -28.2% | -21.4% | -25.0% | +9.1% | -27.8% | -15.4% | +50.0% | -24.2% | 0.0% |
| 1973 | — | — | — | — | — | — | — | — | — | — | -36.7% | +15.8% |
| Avg | +0.3% | +3.7% | +2.0% | +0.2% | +2.5% | -0.8% | +1.4% | +0.6% | +2.7% | +2.3% | +0.9% | +2.9% |
| Median | 0.0% | +5.6% | +1.4% | 0.0% | +1.6% | -0.9% | 0.0% | +0.1% | +0.4% | +1.3% | +0.5% | +1.0% |
| Last 5Y Avg | +2.8% | +3.0% | +3.3% | -3.4% | +1.2% | +2.7% | -1.5% | +3.9% | +0.7% | +4.8% | +5.6% | -2.8% |
| Std Dev (σ) | 9.8% | 9.5% | 11.8% | 8.7% | 9.6% | 6.5% | 8.7% | 8.7% | 10.7% | 9.9% | 10.0% | 10.3% |
| Consistency (μ/σ) | 0.03 | 0.39 | 0.17 | 0.02 | 0.26 | -0.12 | 0.16 | 0.07 | 0.25 | 0.23 | 0.09 | 0.28 |
| Win Rate (%) | 49% | 72% | 58% | 49% | 62% | 38% | 48% | 50% | 54% | 60% | 51% | 57% |
| Winning / Losing Months | ▲26▼27 | ▲38▼15 | ▲31▼22 | ▲26▼27 | ▲33▼20 | ▲20▼33 | ▲25▼27 | ▲26▼26 | ▲28▼24 | ▲31▼21 | ▲27▼26 | ▲30▼23 |
| Longest Win / Loss Streak | ▲4▼9 | ▲8▼3 | ▲8▼4 | ▲4▼4 | ▲5▼3 | ▲4▼6 | ▲5▼4 | ▲8▼6 | ▲8▼3 | ▲8▼4 | ▲4▼4 | ▲6▼4 |
| Best | +22.2%in January 1980 | +21.8%in February 2001 | +47.2%in March 1974 | +27.7%in April 1983 | +37.5%in May 1977 | +13.8%in June 1997 | +29.1%in July 2000 | +23.4%in August 1978 | +31.2%in September 2000 | +50.0%in October 1974 | +39.7%in November 1985 | +40.0%in December 1976 |
| Worst | -25.7%in January 2001 | -29.6%in February 1979 | -25.0%in March 1980 | -28.2%in April 1974 | -21.4%in May 1974 | -25.0%in June 1974 | -16.0%in July 1998 | -27.8%in August 1974 | -19.6%in September 1986 | -15.4%in October 1987 | -36.7%in November 1973 | -14.3%in December 1975 |
-36.7%+50.0%
2026
Jan-2.2%
Feb+4.7%
Mar-7.6%
Apr+0.8%
May-4.9%
Jun+12.0%
Jul+7.3%
Aug—
Sep—
Oct—
Nov—
Dec—
2025
Jan+0.5%
Feb+7.2%
Mar+13.0%
Apr+0.7%
May+4.2%
Jun-0.8%
Jul-6.3%
Aug+4.2%
Sep+7.0%
Oct-6.9%
Nov+8.9%
Dec-8.3%
2024
Jan+15.8%
Feb+2.1%
Mar+5.9%
Apr-13.0%
May+5.3%
Jun-1.7%
Jul+5.2%
Aug+8.3%
Sep-4.4%
Oct+0.8%
Nov+12.9%
Dec-8.5%
2023
Jan-2.7%
Feb-5.6%
Mar-5.8%
Apr-5.4%
May-5.5%
Jun+7.2%
Jul+3.6%
Aug+0.3%
Sep+3.6%
Oct+6.2%
Nov+7.6%
Dec-1.7%
2022
Jan+2.6%
Feb+6.9%
Mar+10.8%
Apr-0.2%
May+7.0%
Jun-3.1%
Jul-8.4%
Aug+3.6%
Sep-0.2%
Oct+15.2%
Nov+2.5%
Dec-4.7%
2021
Jan-6.4%
Feb+11.5%
Mar+8.9%
Apr+5.8%
May-2.2%
Jun-3.7%
Jul-1.7%
Aug+2.9%
Sep-2.6%
Oct+8.8%
Nov-3.7%
Dec+9.1%
2020
Jan+6.4%
Feb-8.7%
Mar-22.1%
Apr+3.5%
May+7.4%
Jun-0.9%
Jul+7.8%
Aug+0.5%
Sep-1.3%
Oct-1.7%
Nov+8.3%
Dec+2.2%
2019
Jan+4.0%
Feb+8.8%
Mar+1.4%
Apr+8.5%
May+1.4%
Jun+7.0%
Jul+5.2%
Aug+2.7%
Sep+1.5%
Oct-3.2%
Nov-1.5%
Dec+1.6%
2018
Jan+1.8%
Feb-6.3%
Mar+6.5%
Apr+2.5%
May+2.6%
Jun-4.6%
Jul+4.7%
Aug+3.3%
Sep+3.0%
Oct-5.0%
Nov+4.6%
Dec-6.1%
2017
Jan+1.0%
Feb+5.7%
Mar-0.5%
Apr-3.8%
May+1.5%
Jun+1.2%
Jul-0.2%
Aug-3.4%
Sep+0.3%
Oct+2.7%
Nov+1.8%
Dec+3.7%
2016
Jan-8.4%
Feb+2.7%
Mar+9.3%
Apr-0.3%
May+1.8%
Jun+5.3%
Jul-2.9%
Aug+2.1%
Sep-1.6%
Oct-1.1%
Nov+9.3%
Dec+7.7%
2015
Jan-4.4%
Feb+1.9%
Mar+1.4%
Apr-3.0%
May0.0%
Jun+6.3%
Jul+7.2%
Aug-2.6%
Sep+0.4%
Oct+2.7%
Nov-0.1%
Dec-1.6%
2014
Jan-10.7%
Feb+6.5%
Mar+1.2%
Apr+6.3%
May+0.7%
Jun+4.1%
Jul-3.7%
Aug+8.5%
Sep-1.0%
Oct+7.9%
Nov+1.6%
Dec+0.2%
2013
Jan+9.1%
Feb+0.9%
Mar+7.2%
Apr-2.1%
May-5.7%
Jun0.0%
Jul+3.6%
Aug-3.0%
Sep+4.5%
Oct+2.5%
Nov-0.1%
Dec-0.8%
2012
Jan-0.4%
Feb+4.2%
Mar+1.3%
Apr+4.3%
May+1.7%
Jun+1.8%
Jul-5.9%
Aug+2.0%
Sep+0.6%
Oct+3.6%
Nov+2.5%
Dec-2.6%
2011
Jan+3.1%
Feb+6.0%
Mar+7.7%
Apr+1.3%
May+1.6%
Jun-1.9%
Jul-5.1%
Aug+0.3%
Sep-3.5%
Oct+17.1%
Nov-1.9%
Dec+1.1%
2010
Jan-1.2%
Feb+5.7%
Mar+1.5%
Apr+3.5%
May+1.1%
Jun-2.6%
Jul+2.0%
Aug-2.5%
Sep+3.1%
Oct+1.6%
Nov-2.9%
Dec+2.8%
2009
Jan-14.6%
Feb-21.3%
Mar+8.6%
Apr+6.0%
May-9.3%
Jun-0.7%
Jul+8.0%
Aug+10.1%
Sep-0.9%
Oct-2.3%
Nov0.0%
Dec0.0%
2008
Jan+1.3%
Feb-4.5%
Mar-3.7%
Apr-7.2%
May+5.5%
Jun-10.4%
Jul-2.2%
Aug-0.4%
Sep+0.4%
Oct+11.5%
Nov+8.1%
Dec+9.5%
2007
Jan-4.1%
Feb-1.5%
Mar+1.7%
Apr-1.8%
May+1.4%
Jun-1.2%
Jul-9.5%
Aug+1.5%
Sep-0.8%
Oct+1.7%
Nov+1.6%
Dec-2.6%
2006
Jan+3.7%
Feb+17.2%
Mar+0.4%
Apr-3.3%
May-8.2%
Jun-0.6%
Jul+5.6%
Aug-2.9%
Sep+1.4%
Oct+4.0%
Nov-4.8%
Dec-1.5%
2005
Jan+0.9%
Feb+7.7%
Mar-3.0%
Apr-1.8%
May+9.1%
Jun+0.8%
Jul+4.8%
Aug-5.1%
Sep+11.5%
Oct+10.5%
Nov+6.8%
Dec+2.2%
2004
Jan+10.3%
Feb+7.9%
Mar-3.8%
Apr+1.4%
May+2.8%
Jun+3.5%
Jul-4.7%
Aug-1.4%
Sep+4.7%
Oct+1.3%
Nov+6.0%
Dec+4.2%
2003
Jan-1.3%
Feb+3.5%
Mar+5.9%
Apr+8.7%
May+5.8%
Jun+7.6%
Jul-2.9%
Aug-3.0%
Sep+3.4%
Oct+0.3%
Nov-0.7%
Dec+2.6%
2002
Jan-6.3%
Feb+8.2%
Mar+5.7%
Apr+5.4%
May-2.6%
Jun-6.1%
Jul-3.7%
Aug-4.4%
Sep+1.0%
Oct+9.0%
Nov+6.5%
Dec+0.9%
2001
Jan-25.7%
Feb+21.8%
Mar+6.2%
Apr-10.5%
May+7.8%
Jun-4.8%
Jul+1.3%
Aug-8.8%
Sep+26.0%
Oct+10.9%
Nov+0.5%
Dec+1.0%
2000
Jan-16.4%
Feb-7.8%
Mar+44.8%
Apr-8.1%
May+4.0%
Jun-14.2%
Jul+29.1%
Aug+9.2%
Sep+31.2%
Oct-1.5%
Nov+5.4%
Dec+31.6%
1999
Jan-23.9%
Feb+10.1%
Mar-14.2%
Apr+13.1%
May-7.9%
Jun-1.5%
Jul-3.4%
Aug-5.7%
Sep+2.1%
Oct-0.7%
Nov-6.7%
Dec-1.8%
1998
Jan-5.7%
Feb+10.8%
Mar+3.7%
Apr-1.2%
May0.0%
Jun-14.3%
Jul-16.0%
Aug-5.8%
Sep-4.4%
Oct+0.9%
Nov+10.9%
Dec+1.6%
1997
Jan-5.0%
Feb+7.1%
Mar0.0%
Apr-4.1%
May+6.0%
Jun+13.8%
Jul-2.1%
Aug-3.6%
Sep+16.7%
Oct-4.5%
Nov+1.4%
Dec+5.4%
1996
Jan-6.5%
Feb-9.5%
Mar+1.9%
Apr-6.7%
May+1.2%
Jun-3.4%
Jul-2.5%
Aug+12.4%
Sep0.0%
Oct+14.0%
Nov+0.8%
Dec-3.3%
1995
Jan-0.7%
Feb-4.1%
Mar+3.2%
Apr+2.1%
May-2.1%
Jun-2.5%
Jul+7.9%
Aug+11.3%
Sep+6.8%
Oct-4.9%
Nov+5.2%
Dec+18.1%
1994
Jan+1.5%
Feb0.0%
Mar-1.1%
Apr+3.6%
May+6.3%
Jun+0.3%
Jul-2.6%
Aug-2.7%
Sep-1.8%
Oct+0.7%
Nov-8.5%
Dec+13.6%
1993
Jan+2.4%
Feb+6.3%
Mar0.0%
Apr-7.8%
May-4.2%
Jun-5.3%
Jul+9.2%
Aug+7.4%
Sep-6.3%
Oct-9.6%
Nov-6.7%
Dec-1.9%
1992
Jan+9.2%
Feb+2.3%
Mar-2.8%
Apr-3.1%
May+2.4%
Jun+1.8%
Jul+5.4%
Aug0.0%
Sep+25.8%
Oct+5.4%
Nov-5.2%
Dec-2.1%
1991
Jan-0.7%
Feb+19.7%
Mar-1.5%
Apr+2.6%
May+4.3%
Jun-5.5%
Jul-5.2%
Aug-5.5%
Sep-8.8%
Oct+15.3%
Nov0.0%
Dec+10.5%
1990
Jan-12.1%
Feb+5.6%
Mar+1.0%
Apr+9.0%
May+3.7%
Jun-4.3%
Jul0.0%
Aug-17.8%
Sep-4.9%
Oct+1.2%
Nov+14.4%
Dec+2.3%
1989
Jan+7.6%
Feb-3.1%
Mar-4.6%
Apr+14.5%
May-6.7%
Jun+1.9%
Jul+8.7%
Aug+12.5%
Sep+4.2%
Oct+7.6%
Nov+6.2%
Dec-12.3%
1988
Jan+3.1%
Feb+15.2%
Mar-15.8%
Apr+4.6%
May-1.0%
Jun+4.4%
Jul0.0%
Aug+5.3%
Sep+2.6%
Oct+5.4%
Nov+2.6%
Dec-1.4%
1987
Jan+5.7%
Feb+15.3%
Mar+4.7%
Apr-15.4%
May-4.4%
Jun-2.4%
Jul-1.0%
Aug+2.9%
Sep-2.4%
Oct-15.4%
Nov-1.1%
Dec+10.7%
1986
Jan+13.0%
Feb+19.2%
Mar+16.7%
Apr-12.9%
May+21.2%
Jun+4.9%
Jul-15.6%
Aug+12.6%
Sep-19.6%
Oct-12.3%
Nov-6.5%
Dec+5.2%
1985
Jan-8.5%
Feb+13.0%
Mar-1.6%
Apr-3.3%
May+6.0%
Jun-2.4%
Jul+19.2%
Aug+23.1%
Sep-8.5%
Oct-3.1%
Nov+39.7%
Dec+26.6%
1984
Jan0.0%
Feb-3.7%
Mar0.0%
Apr0.0%
May0.0%
Jun0.0%
Jul-1.9%
Aug-2.0%
Sep+25.0%
Oct-5.6%
Nov-0.9%
Dec+0.9%
1983
Jan0.0%
Feb+1.1%
Mar+5.6%
Apr+27.7%
May-5.0%
Jun-5.3%
Jul+11.1%
Aug-1.7%
Sep-1.7%
Oct+3.4%
Nov-11.7%
Dec+1.9%
1982
Jan+20.2%
Feb-5.6%
Mar-1.7%
Apr+1.7%
May-15.2%
Jun-0.0%
Jul-8.0%
Aug-13.0%
Sep+27.5%
Oct-9.8%
Nov0.0%
Dec-4.3%
1981
Jan+21.3%
Feb+10.5%
Mar+3.2%
Apr+1.5%
May+4.5%
Jun-5.8%
Jul+10.8%
Aug-4.2%
Sep-17.4%
Oct-1.8%
Nov+5.4%
Dec-11.9%
1980
Jan+22.2%
Feb+3.0%
Mar-25.0%
Apr0.0%
May+9.8%
Jun-1.8%
Jul+1.8%
Aug+1.8%
Sep-3.5%
Oct-5.4%
Nov0.0%
Dec-9.6%
1979
Jan0.0%
Feb-29.6%
Mar+1.8%
Apr-8.6%
May-1.9%
Jun+7.7%
Jul+5.4%
Aug-10.2%
Sep+13.2%
Oct0.0%
Nov-5.0%
Dec-5.3%
1978
Jan-7.7%
Feb+2.8%
Mar0.0%
Apr+8.1%
May+16.2%
Jun-3.2%
Jul+4.4%
Aug+23.4%
Sep+22.4%
Oct+1.4%
Nov-2.8%
Dec+15.7%
1977
Jan+8.6%
Feb+7.9%
Mar-17.1%
Apr+17.7%
May+37.5%
Jun-3.6%
Jul+24.5%
Aug+3.0%
Sep-1.5%
Oct-1.5%
Nov+6.1%
Dec+11.4%
1976
Jan+12.5%
Feb-7.4%
Mar-4.0%
Apr0.0%
May+16.7%
Jun+7.1%
Jul-13.3%
Aug0.0%
Sep+3.8%
Oct+3.7%
Nov-10.7%
Dec+40.0%
1975
Jan-4.0%
Feb+12.5%
Mar+3.7%
Apr-3.6%
May+29.6%
Jun+2.9%
Jul-2.8%
Aug-5.7%
Sep-3.0%
Oct-12.5%
Nov0.0%
Dec-14.3%
1974
Jan+9.1%
Feb+10.4%
Mar+47.2%
Apr-28.2%
May-21.4%
Jun-25.0%
Jul+9.1%
Aug-27.8%
Sep-15.4%
Oct+50.0%
Nov-24.2%
Dec0.0%
1973
Jan—
Feb—
Mar—
Apr—
May—
Jun—
Jul—
Aug—
Sep—
Oct—
Nov-36.7%
Dec+15.8%
Avg
Jan+0.3%
Feb+3.7%
Mar+2.0%
Apr+0.2%
May+2.5%
Jun-0.8%
Jul+1.4%
Aug+0.6%
Sep+2.7%
Oct+2.3%
Nov+0.9%
Dec+2.9%
Median
Jan0.0%
Feb+5.6%
Mar+1.4%
Apr0.0%
May+1.6%
Jun-0.9%
Jul0.0%
Aug+0.1%
Sep+0.4%
Oct+1.3%
Nov+0.5%
Dec+1.0%
Last 5Y Avg
Jan+2.8%
Feb+3.0%
Mar+3.3%
Apr-3.4%
May+1.2%
Jun+2.7%
Jul-1.5%
Aug+3.9%
Sep+0.7%
Oct+4.8%
Nov+5.6%
Dec-2.8%
Std Dev (σ)
Jan9.8%
Feb9.5%
Mar11.8%
Apr8.7%
May9.6%
Jun6.5%
Jul8.7%
Aug8.7%
Sep10.7%
Oct9.9%
Nov10.0%
Dec10.3%
Consistency (μ/σ)
Jan0.03
Feb0.39
Mar0.17
Apr0.02
May0.26
Jun-0.12
Jul0.16
Aug0.07
Sep0.25
Oct0.23
Nov0.09
Dec0.28
Win Rate (%)
Jan49%
Feb72%
Mar58%
Apr49%
May62%
Jun38%
Jul48%
Aug50%
Sep54%
Oct60%
Nov51%
Dec57%
Winning / Losing Months
Jan▲26▼27
Feb▲38▼15
Mar▲31▼22
Apr▲26▼27
May▲33▼20
Jun▲20▼33
Jul▲25▼27
Aug▲26▼26
Sep▲28▼24
Oct▲31▼21
Nov▲27▼26
Dec▲30▼23
Longest Win / Loss Streak
Jan▲4▼9
Feb▲8▼3
Mar▲8▼4
Apr▲4▼4
May▲5▼3
Jun▲4▼6
Jul▲5▼4
Aug▲8▼6
Sep▲8▼3
Oct▲8▼4
Nov▲4▼4
Dec▲6▼4
Best
Jan+22.2%1980
Feb+21.8%2001
Mar+47.2%1974
Apr+27.7%1983
May+37.5%1977
Jun+13.8%1997
Jul+29.1%2000
Aug+23.4%1978
Sep+31.2%2000
Oct+50.0%1974
Nov+39.7%1985
Dec+40.0%1976
Worst
Jan-25.7%2001
Feb-29.6%1979
Mar-25.0%1980
Apr-28.2%1974
May-21.4%1974
Jun-25.0%1974
Jul-16.0%1998
Aug-27.8%1974
Sep-19.6%1986
Oct-15.4%1987
Nov-36.7%1973
Dec-14.3%1975
-36.7%+50.0%
Frequently asked questions
Data & methodology
W. R. Berkley (WRB) Key Financials
Charts, filings, and peer comparison for every metric
Income Statement
Balance Sheet
Profitability
Cash Flow
Forecast & Valuation
Operations
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Deep-dives across the income statement, cash flow, capital return, and valuation
Overview
Income Statement
Capital Return
- Buybacks2.01% TTM
- Dividend Profile2.47% yield
- Dividend Calculator
- Dividend Forecast
- Dividend Capture
- Stock Split History20 splits
How this company returns cash to shareholders — buybacks, dividends, and stock splits.