Markel (MKL) 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 | -5.1% | +1.6% | -7.6% | -7.4% | +2.4% | +7.6% | -1.9% | — | — | — | — | — |
| 2025 | +5.9% | +5.7% | -3.3% | -2.7% | +6.8% | +2.9% | +0.5% | -2.5% | -2.4% | +3.3% | +5.4% | +3.3% |
| 2024 | +5.5% | -0.3% | +1.9% | -4.1% | +12.6% | -4.0% | +4.0% | -2.3% | -2.0% | -1.7% | +15.6% | -3.2% |
| 2023 | +6.9% | -5.6% | -3.9% | +7.1% | -3.9% | +5.2% | +4.8% | +2.0% | -0.4% | -0.1% | -2.1% | -1.3% |
| 2022 | -0.1% | +0.8% | +18.7% | -8.3% | +1.2% | -5.6% | +0.3% | -7.9% | -9.2% | +11.2% | +9.8% | -0.6% |
| 2021 | -6.2% | +12.3% | +4.7% | +3.2% | +4.2% | -3.2% | +1.6% | +5.3% | -5.9% | +9.9% | -9.0% | +3.3% |
| 2020 | +2.6% | +0.7% | -21.5% | -6.7% | +3.6% | +2.9% | +13.1% | +4.0% | -10.4% | -4.2% | +4.4% | +6.1% |
| 2019 | +1.5% | -4.6% | -0.9% | +7.6% | -1.2% | +2.9% | +2.2% | +2.6% | +3.4% | -0.9% | -3.0% | +0.7% |
| 2018 | +0.8% | -3.1% | +5.2% | -3.4% | -2.9% | -1.2% | +7.9% | +3.3% | -1.7% | -8.0% | +4.7% | -9.3% |
| 2017 | +2.3% | +5.9% | -0.4% | -0.6% | +0.8% | -0.1% | +9.8% | -1.8% | +1.5% | +1.5% | +2.1% | +2.9% |
| 2016 | -4.9% | +1.9% | +4.1% | +0.8% | +6.0% | -0.0% | -0.4% | -1.9% | -0.3% | -5.5% | +2.4% | +0.7% |
| 2015 | +0.1% | +9.1% | +3.2% | -3.7% | +4.3% | +3.6% | +11.1% | -7.4% | -2.7% | +8.2% | +4.3% | -2.4% |
| 2014 | -7.1% | +7.2% | +3.1% | +5.0% | +2.3% | +2.4% | -3.6% | +4.4% | -3.6% | +8.6% | +0.9% | -2.0% |
| 2013 | +9.9% | +1.5% | +4.1% | +6.5% | -2.5% | +0.8% | +0.6% | -3.6% | +1.4% | +2.3% | +5.2% | +4.1% |
| 2012 | -2.8% | +1.2% | +10.0% | -1.9% | -0.4% | +0.7% | -2.2% | +0.7% | +5.4% | +2.9% | +1.5% | -9.5% |
| 2011 | +6.4% | +3.3% | -0.3% | +0.7% | -0.9% | -4.1% | +0.9% | -1.6% | -9.4% | +8.2% | +3.9% | +3.3% |
| 2010 | -4.4% | +8.5% | +6.2% | +2.2% | -9.7% | -1.6% | -0.6% | -3.0% | +5.1% | -2.8% | +5.5% | +7.0% |
| 2009 | -9.7% | -1.6% | +6.8% | -1.0% | +1.4% | -1.2% | +12.0% | +4.2% | +0.3% | -2.2% | +5.1% | +0.3% |
| 2008 | -5.7% | +0.4% | -5.3% | -1.3% | -6.8% | -9.3% | -1.1% | +1.9% | -5.0% | -0.2% | -12.2% | -2.9% |
| 2007 | +1.0% | -1.3% | +1.2% | -5.3% | +7.4% | -1.7% | -3.9% | +2.2% | +1.8% | +12.2% | -11.2% | +1.9% |
| 2006 | +5.3% | -1.6% | +2.8% | +3.4% | -3.3% | +2.7% | -1.8% | +6.7% | +13.0% | -2.7% | +12.1% | +7.2% |
| 2005 | -6.3% | +4.8% | -3.4% | -0.6% | -0.4% | -0.8% | -0.9% | -3.3% | +1.8% | -3.8% | -0.2% | -0.1% |
| 2004 | +7.1% | +0.3% | +5.8% | +1.8% | -1.9% | -3.5% | +1.8% | +4.0% | +5.0% | +3.1% | +1.3% | +13.0% |
| 2003 | -1.0% | +5.0% | +4.7% | +8.3% | +4.1% | +1.5% | +5.7% | -0.6% | -0.7% | -5.5% | +1.9% | -1.5% |
| 2002 | +7.4% | +3.2% | +2.3% | +7.1% | -4.1% | -5.8% | +2.8% | +3.0% | -4.5% | +1.7% | -1.7% | +3.3% |
| 2001 | -9.0% | +9.1% | +4.0% | +4.9% | -0.3% | +0.4% | +3.0% | -8.6% | +5.5% | +0.5% | -6.5% | -2.0% |
| 2000 | +5.8% | -20.3% | +11.3% | -0.3% | -0.7% | -1.6% | +9.2% | -5.7% | +4.0% | -4.5% | +2.8% | +21.6% |
| 1999 | -5.0% | +4.7% | +0.1% | +3.5% | +1.2% | -0.9% | +2.4% | -8.3% | +3.7% | -5.0% | -9.1% | -1.4% |
| 1998 | +4.2% | +7.0% | -0.6% | -8.3% | +9.0% | +3.0% | -4.1% | -17.4% | +8.2% | -2.5% | +12.4% | +8.4% |
| 1997 | +8.9% | +11.2% | +1.4% | -0.5% | +12.7% | +3.2% | +14.8% | -2.1% | +9.5% | -2.6% | +0.4% | +1.4% |
| 1996 | +0.5% | +18.6% | -2.2% | -9.1% | +13.8% | +2.2% | -4.3% | -1.1% | -3.4% | +2.4% | -2.3% | +5.9% |
| 1995 | +1.1% | +7.9% | +6.6% | +7.3% | +6.8% | +0.9% | +10.1% | +10.8% | +8.1% | +1.4% | -3.0% | +4.5% |
| 1994 | +6.7% | +4.8% | -4.5% | -3.6% | -2.5% | +0.6% | +7.7% | -2.5% | -1.2% | +0.6% | +0.6% | -0.6% |
| 1993 | +8.8% | +4.4% | +2.8% | -10.6% | +6.5% | +4.3% | +3.4% | -0.7% | +7.4% | -0.6% | -5.0% | +4.3% |
| 1992 | +15.9% | +2.9% | +2.9% | -0.9% | -3.3% | -3.4% | +3.0% | -1.9% | +8.9% | +5.9% | -1.3% | +8.7% |
| 1991 | +19.1% | +7.1% | -5.0% | -1.8% | +23.2% | +0.0% | +9.4% | -3.3% | +6.8% | -5.1% | -1.4% | +20.5% |
| 1990 | -6.7% | +6.0% | -1.1% | -8.0% | +2.5% | -1.2% | +0.0% | -20.7% | -7.7% | -15.0% | -3.9% | -4.1% |
| 1989 | +8.8% | +3.1% | +0.0% | +2.4% | +1.2% | -2.3% | +3.6% | +8.0% | -4.3% | +1.1% | -3.3% | +2.3% |
| 1988 | +7.3% | +1.7% | +10.0% | +5.3% | -0.7% | -4.3% | -6.1% | +1.6% | +6.3% | +3.0% | +1.4% | +5.7% |
| 1987 | -1.2% | +27.2% | +10.2% | -10.1% | -1.1% | -4.2% | +4.3% | +10.4% | +11.3% | -23.7% | -4.4% | +27.9% |
| 1986 | — | — | — | — | — | — | — | — | — | — | — | — |
| Avg | +1.9% | +3.8% | +1.9% | -0.6% | +2.2% | -0.3% | +3.1% | -0.9% | +1.1% | -0.2% | +0.6% | +3.3% |
| Median | +1.3% | +3.2% | +2.5% | -0.6% | +1.2% | -0.1% | +2.4% | -1.1% | +1.4% | -0.1% | +0.9% | +2.3% |
| Last 5Y Avg | +2.6% | +0.4% | +1.1% | -3.1% | +3.8% | +1.2% | +2.3% | -1.1% | -4.0% | +4.5% | +3.9% | +0.3% |
| Std Dev (σ) | 6.7% | 7.2% | 6.5% | 5.4% | 6.2% | 3.4% | 5.2% | 6.4% | 5.9% | 6.7% | 6.1% | 7.5% |
| Consistency (μ/σ) | 0.28 | 0.53 | 0.29 | -0.11 | 0.35 | -0.09 | 0.59 | -0.13 | 0.19 | -0.03 | 0.10 | 0.44 |
| Win Rate (%) | 63% | 80% | 63% | 43% | 55% | 45% | 69% | 44% | 54% | 49% | 56% | 64% |
| Winning / Losing Months | ▲25▼15 | ▲32▼8 | ▲25▼15 | ▲17▼23 | ▲22▼18 | ▲18▼22 | ▲27▼12 | ▲17▼22 | ▲21▼18 | ▲19▼20 | ▲22▼17 | ▲25▼14 |
| Longest Win / Loss Streak | ▲8▼3 | ▲13▼2 | ▲6▼3 | ▲4▼5 | ▲5▼4 | ▲6▼6 | ▲9▼4 | ▲4▼6 | ▲5▼6 | ▲5▼4 | ▲10▼5 | ▲4▼3 |
| Best | +19.1%in January 1991 | +27.2%in February 1987 | +18.7%in March 2022 | +8.3%in April 2003 | +23.2%in May 1991 | +7.6%in June 2026 | +14.8%in July 1997 | +10.8%in August 1995 | +13.0%in September 2006 | +12.2%in October 2007 | +15.6%in November 2024 | +27.9%in December 1987 |
| Worst | -9.7%in January 2009 | -20.3%in February 2000 | -21.5%in March 2020 | -10.6%in April 1993 | -9.7%in May 2010 | -9.3%in June 2008 | -6.1%in July 1988 | -20.7%in August 1990 | -10.4%in September 2020 | -23.7%in October 1987 | -12.2%in November 2008 | -9.5%in December 2012 |
−23.7%+27.9%
2026
Jan-5.1%
Feb+1.6%
Mar-7.6%
Apr-7.4%
May+2.4%
Jun+7.6%
Jul-1.9%
Aug—
Sep—
Oct—
Nov—
Dec—
2025
Jan+5.9%
Feb+5.7%
Mar-3.3%
Apr-2.7%
May+6.8%
Jun+2.9%
Jul+0.5%
Aug-2.5%
Sep-2.4%
Oct+3.3%
Nov+5.4%
Dec+3.3%
2024
Jan+5.5%
Feb-0.3%
Mar+1.9%
Apr-4.1%
May+12.6%
Jun-4.0%
Jul+4.0%
Aug-2.3%
Sep-2.0%
Oct-1.7%
Nov+15.6%
Dec-3.2%
2023
Jan+6.9%
Feb-5.6%
Mar-3.9%
Apr+7.1%
May-3.9%
Jun+5.2%
Jul+4.8%
Aug+2.0%
Sep-0.4%
Oct-0.1%
Nov-2.1%
Dec-1.3%
2022
Jan-0.1%
Feb+0.8%
Mar+18.7%
Apr-8.3%
May+1.2%
Jun-5.6%
Jul+0.3%
Aug-7.9%
Sep-9.2%
Oct+11.2%
Nov+9.8%
Dec-0.6%
2021
Jan-6.2%
Feb+12.3%
Mar+4.7%
Apr+3.2%
May+4.2%
Jun-3.2%
Jul+1.6%
Aug+5.3%
Sep-5.9%
Oct+9.9%
Nov-9.0%
Dec+3.3%
2020
Jan+2.6%
Feb+0.7%
Mar-21.5%
Apr-6.7%
May+3.6%
Jun+2.9%
Jul+13.1%
Aug+4.0%
Sep-10.4%
Oct-4.2%
Nov+4.4%
Dec+6.1%
2019
Jan+1.5%
Feb-4.6%
Mar-0.9%
Apr+7.6%
May-1.2%
Jun+2.9%
Jul+2.2%
Aug+2.6%
Sep+3.4%
Oct-0.9%
Nov-3.0%
Dec+0.7%
2018
Jan+0.8%
Feb-3.1%
Mar+5.2%
Apr-3.4%
May-2.9%
Jun-1.2%
Jul+7.9%
Aug+3.3%
Sep-1.7%
Oct-8.0%
Nov+4.7%
Dec-9.3%
2017
Jan+2.3%
Feb+5.9%
Mar-0.4%
Apr-0.6%
May+0.8%
Jun-0.1%
Jul+9.8%
Aug-1.8%
Sep+1.5%
Oct+1.5%
Nov+2.1%
Dec+2.9%
2016
Jan-4.9%
Feb+1.9%
Mar+4.1%
Apr+0.8%
May+6.0%
Jun-0.0%
Jul-0.4%
Aug-1.9%
Sep-0.3%
Oct-5.5%
Nov+2.4%
Dec+0.7%
2015
Jan+0.1%
Feb+9.1%
Mar+3.2%
Apr-3.7%
May+4.3%
Jun+3.6%
Jul+11.1%
Aug-7.4%
Sep-2.7%
Oct+8.2%
Nov+4.3%
Dec-2.4%
2014
Jan-7.1%
Feb+7.2%
Mar+3.1%
Apr+5.0%
May+2.3%
Jun+2.4%
Jul-3.6%
Aug+4.4%
Sep-3.6%
Oct+8.6%
Nov+0.9%
Dec-2.0%
2013
Jan+9.9%
Feb+1.5%
Mar+4.1%
Apr+6.5%
May-2.5%
Jun+0.8%
Jul+0.6%
Aug-3.6%
Sep+1.4%
Oct+2.3%
Nov+5.2%
Dec+4.1%
2012
Jan-2.8%
Feb+1.2%
Mar+10.0%
Apr-1.9%
May-0.4%
Jun+0.7%
Jul-2.2%
Aug+0.7%
Sep+5.4%
Oct+2.9%
Nov+1.5%
Dec-9.5%
2011
Jan+6.4%
Feb+3.3%
Mar-0.3%
Apr+0.7%
May-0.9%
Jun-4.1%
Jul+0.9%
Aug-1.6%
Sep-9.4%
Oct+8.2%
Nov+3.9%
Dec+3.3%
2010
Jan-4.4%
Feb+8.5%
Mar+6.2%
Apr+2.2%
May-9.7%
Jun-1.6%
Jul-0.6%
Aug-3.0%
Sep+5.1%
Oct-2.8%
Nov+5.5%
Dec+7.0%
2009
Jan-9.7%
Feb-1.6%
Mar+6.8%
Apr-1.0%
May+1.4%
Jun-1.2%
Jul+12.0%
Aug+4.2%
Sep+0.3%
Oct-2.2%
Nov+5.1%
Dec+0.3%
2008
Jan-5.7%
Feb+0.4%
Mar-5.3%
Apr-1.3%
May-6.8%
Jun-9.3%
Jul-1.1%
Aug+1.9%
Sep-5.0%
Oct-0.2%
Nov-12.2%
Dec-2.9%
2007
Jan+1.0%
Feb-1.3%
Mar+1.2%
Apr-5.3%
May+7.4%
Jun-1.7%
Jul-3.9%
Aug+2.2%
Sep+1.8%
Oct+12.2%
Nov-11.2%
Dec+1.9%
2006
Jan+5.3%
Feb-1.6%
Mar+2.8%
Apr+3.4%
May-3.3%
Jun+2.7%
Jul-1.8%
Aug+6.7%
Sep+13.0%
Oct-2.7%
Nov+12.1%
Dec+7.2%
2005
Jan-6.3%
Feb+4.8%
Mar-3.4%
Apr-0.6%
May-0.4%
Jun-0.8%
Jul-0.9%
Aug-3.3%
Sep+1.8%
Oct-3.8%
Nov-0.2%
Dec-0.1%
2004
Jan+7.1%
Feb+0.3%
Mar+5.8%
Apr+1.8%
May-1.9%
Jun-3.5%
Jul+1.8%
Aug+4.0%
Sep+5.0%
Oct+3.1%
Nov+1.3%
Dec+13.0%
2003
Jan-1.0%
Feb+5.0%
Mar+4.7%
Apr+8.3%
May+4.1%
Jun+1.5%
Jul+5.7%
Aug-0.6%
Sep-0.7%
Oct-5.5%
Nov+1.9%
Dec-1.5%
2002
Jan+7.4%
Feb+3.2%
Mar+2.3%
Apr+7.1%
May-4.1%
Jun-5.8%
Jul+2.8%
Aug+3.0%
Sep-4.5%
Oct+1.7%
Nov-1.7%
Dec+3.3%
2001
Jan-9.0%
Feb+9.1%
Mar+4.0%
Apr+4.9%
May-0.3%
Jun+0.4%
Jul+3.0%
Aug-8.6%
Sep+5.5%
Oct+0.5%
Nov-6.5%
Dec-2.0%
2000
Jan+5.8%
Feb-20.3%
Mar+11.3%
Apr-0.3%
May-0.7%
Jun-1.6%
Jul+9.2%
Aug-5.7%
Sep+4.0%
Oct-4.5%
Nov+2.8%
Dec+21.6%
1999
Jan-5.0%
Feb+4.7%
Mar+0.1%
Apr+3.5%
May+1.2%
Jun-0.9%
Jul+2.4%
Aug-8.3%
Sep+3.7%
Oct-5.0%
Nov-9.1%
Dec-1.4%
1998
Jan+4.2%
Feb+7.0%
Mar-0.6%
Apr-8.3%
May+9.0%
Jun+3.0%
Jul-4.1%
Aug-17.4%
Sep+8.2%
Oct-2.5%
Nov+12.4%
Dec+8.4%
1997
Jan+8.9%
Feb+11.2%
Mar+1.4%
Apr-0.5%
May+12.7%
Jun+3.2%
Jul+14.8%
Aug-2.1%
Sep+9.5%
Oct-2.6%
Nov+0.4%
Dec+1.4%
1996
Jan+0.5%
Feb+18.6%
Mar-2.2%
Apr-9.1%
May+13.8%
Jun+2.2%
Jul-4.3%
Aug-1.1%
Sep-3.4%
Oct+2.4%
Nov-2.3%
Dec+5.9%
1995
Jan+1.1%
Feb+7.9%
Mar+6.6%
Apr+7.3%
May+6.8%
Jun+0.9%
Jul+10.1%
Aug+10.8%
Sep+8.1%
Oct+1.4%
Nov-3.0%
Dec+4.5%
1994
Jan+6.7%
Feb+4.8%
Mar-4.5%
Apr-3.6%
May-2.5%
Jun+0.6%
Jul+7.7%
Aug-2.5%
Sep-1.2%
Oct+0.6%
Nov+0.6%
Dec-0.6%
1993
Jan+8.8%
Feb+4.4%
Mar+2.8%
Apr-10.6%
May+6.5%
Jun+4.3%
Jul+3.4%
Aug-0.7%
Sep+7.4%
Oct-0.6%
Nov-5.0%
Dec+4.3%
1992
Jan+15.9%
Feb+2.9%
Mar+2.9%
Apr-0.9%
May-3.3%
Jun-3.4%
Jul+3.0%
Aug-1.9%
Sep+8.9%
Oct+5.9%
Nov-1.3%
Dec+8.7%
1991
Jan+19.1%
Feb+7.1%
Mar-5.0%
Apr-1.8%
May+23.2%
Jun+0.0%
Jul+9.4%
Aug-3.3%
Sep+6.8%
Oct-5.1%
Nov-1.4%
Dec+20.5%
1990
Jan-6.7%
Feb+6.0%
Mar-1.1%
Apr-8.0%
May+2.5%
Jun-1.2%
Jul+0.0%
Aug-20.7%
Sep-7.7%
Oct-15.0%
Nov-3.9%
Dec-4.1%
1989
Jan+8.8%
Feb+3.1%
Mar+0.0%
Apr+2.4%
May+1.2%
Jun-2.3%
Jul+3.6%
Aug+8.0%
Sep-4.3%
Oct+1.1%
Nov-3.3%
Dec+2.3%
1988
Jan+7.3%
Feb+1.7%
Mar+10.0%
Apr+5.3%
May-0.7%
Jun-4.3%
Jul-6.1%
Aug+1.6%
Sep+6.3%
Oct+3.0%
Nov+1.4%
Dec+5.7%
1987
Jan-1.2%
Feb+27.2%
Mar+10.2%
Apr-10.1%
May-1.1%
Jun-4.2%
Jul+4.3%
Aug+10.4%
Sep+11.3%
Oct-23.7%
Nov-4.4%
Dec+27.9%
1986
Jan—
Feb—
Mar—
Apr—
May—
Jun—
Jul—
Aug—
Sep—
Oct—
Nov—
Dec—
Avg
Jan+1.9%
Feb+3.8%
Mar+1.9%
Apr-0.6%
May+2.2%
Jun-0.3%
Jul+3.1%
Aug-0.9%
Sep+1.1%
Oct-0.2%
Nov+0.6%
Dec+3.3%
Median
Jan+1.3%
Feb+3.2%
Mar+2.5%
Apr-0.6%
May+1.2%
Jun-0.1%
Jul+2.4%
Aug-1.1%
Sep+1.4%
Oct-0.1%
Nov+0.9%
Dec+2.3%
Last 5Y Avg
Jan+2.6%
Feb+0.4%
Mar+1.1%
Apr-3.1%
May+3.8%
Jun+1.2%
Jul+2.3%
Aug-1.1%
Sep-4.0%
Oct+4.5%
Nov+3.9%
Dec+0.3%
Std Dev (σ)
Jan6.7%
Feb7.2%
Mar6.5%
Apr5.4%
May6.2%
Jun3.4%
Jul5.2%
Aug6.4%
Sep5.9%
Oct6.7%
Nov6.1%
Dec7.5%
Consistency (μ/σ)
Jan0.28
Feb0.53
Mar0.29
Apr-0.11
May0.35
Jun-0.09
Jul0.59
Aug-0.13
Sep0.19
Oct-0.03
Nov0.10
Dec0.44
Win Rate (%)
Jan63%
Feb80%
Mar63%
Apr43%
May55%
Jun45%
Jul69%
Aug44%
Sep54%
Oct49%
Nov56%
Dec64%
Winning / Losing Months
Jan▲25▼15
Feb▲32▼8
Mar▲25▼15
Apr▲17▼23
May▲22▼18
Jun▲18▼22
Jul▲27▼12
Aug▲17▼22
Sep▲21▼18
Oct▲19▼20
Nov▲22▼17
Dec▲25▼14
Longest Win / Loss Streak
Jan▲8▼3
Feb▲13▼2
Mar▲6▼3
Apr▲4▼5
May▲5▼4
Jun▲6▼6
Jul▲9▼4
Aug▲4▼6
Sep▲5▼6
Oct▲5▼4
Nov▲10▼5
Dec▲4▼3
Best
Jan+19.1%1991
Feb+27.2%1987
Mar+18.7%2022
Apr+8.3%2003
May+23.2%1991
Jun+7.6%2026
Jul+14.8%1997
Aug+10.8%1995
Sep+13.0%2006
Oct+12.2%2007
Nov+15.6%2024
Dec+27.9%1987
Worst
Jan-9.7%2009
Feb-20.3%2000
Mar-21.5%2020
Apr-10.6%1993
May-9.7%2010
Jun-9.3%2008
Jul-6.1%1988
Aug-20.7%1990
Sep-10.4%2020
Oct-23.7%1987
Nov-12.2%2008
Dec-9.5%2012
−23.7%+27.9%
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