Ticker League

Avista (AVA) seasonality heatmap

Returns across monthly, quarterly, and yearly periods. Cell color encodes signed magnitude; the scale auto-fits each table.

2026

Jan+7.1%
Feb-0.5%
Mar-1.2%
Apr+2.4%
May+2.1%
Jun-1.4%
Jul+0.6%
Aug
Sep
Oct
Nov
Dec

2025

Jan+0.0%
Feb+10.6%
Mar+4.7%
Apr-0.9%
May-6.0%
Jun-1.4%
Jul-1.7%
Aug-0.7%
Sep+3.5%
Oct+0.6%
Nov+10.1%
Dec-6.9%

2024

Jan-4.8%
Feb-1.0%
Mar+5.5%
Apr+2.7%
May+4.1%
Jun-6.4%
Jul+13.2%
Aug-0.2%
Sep+0.3%
Oct-3.3%
Nov+4.5%
Dec-5.3%

2023

Jan-10.0%
Feb+4.2%
Mar+3.2%
Apr+3.8%
May-5.2%
Jun-5.0%
Jul-1.6%
Aug-12.7%
Sep-2.8%
Oct-2.1%
Nov+8.5%
Dec+5.3%

2022

Jan+4.6%
Feb+1.4%
Mar+1.2%
Apr-10.1%
May+8.2%
Jun+0.2%
Jul-2.9%
Aug-2.9%
Sep-8.8%
Oct+10.7%
Nov+1.8%
Dec+7.4%

2021

Jan-6.6%
Feb+8.5%
Mar+18.8%
Apr-3.6%
May-0.6%
Jun-5.9%
Jul+0.4%
Aug-1.3%
Sep-6.5%
Oct+1.8%
Nov-2.2%
Dec+10.3%

2020

Jan+5.7%
Feb-6.6%
Mar-9.9%
Apr+1.3%
May-8.0%
Jun-7.1%
Jul+2.0%
Aug+0.4%
Sep-7.4%
Oct-2.6%
Nov+12.9%
Dec+8.2%

2019

Jan-1.5%
Feb-2.5%
Mar+0.5%
Apr+6.2%
May-2.3%
Jun+6.8%
Jul+3.2%
Aug+2.7%
Sep+3.3%
Oct-0.8%
Nov-0.7%
Dec+1.7%

2018

Jan-2.2%
Feb-4.3%
Mar+7.1%
Apr+1.2%
May+1.8%
Jun+0.4%
Jul-3.9%
Aug+2.2%
Sep-1.5%
Oct+1.7%
Nov+1.9%
Dec-18.3%

2017

Jan-3.4%
Feb+4.1%
Mar-2.1%
Apr+3.3%
May+7.1%
Jun-0.9%
Jul+23.9%
Aug-1.6%
Sep+0.7%
Oct+0.9%
Nov+0.1%
Dec-0.9%

2016

Jan+4.7%
Feb+3.0%
Mar+7.9%
Apr-1.8%
May+1.3%
Jun+11.4%
Jul-2.9%
Aug-5.9%
Sep+2.9%
Oct-0.9%
Nov-1.4%
Dec-1.2%

2015

Jan+5.0%
Feb-7.2%
Mar+0.2%
Apr-4.6%
May-0.9%
Jun-4.2%
Jul+7.7%
Aug-4.9%
Sep+7.1%
Oct+1.8%
Nov+3.2%
Dec+2.2%

2014

Jan+2.2%
Feb+3.7%
Mar+3.6%
Apr+4.9%
May-1.6%
Jun+7.1%
Jul-7.4%
Aug+5.6%
Sep-5.9%
Oct+16.1%
Nov-2.8%
Dec+3.6%

2013

Jan+7.3%
Feb+2.5%
Mar+4.6%
Apr+2.4%
May-3.7%
Jun+1.1%
Jul+6.5%
Aug-7.6%
Sep+0.5%
Oct+5.2%
Nov-0.8%
Dec+3.5%

2012

Jan-1.6%
Feb-1.4%
Mar+3.6%
Apr+3.3%
May-2.8%
Jun+5.1%
Jul+3.7%
Aug-7.3%
Sep+1.4%
Oct-1.2%
Nov-5.6%
Dec+1.7%

2011

Jan+0.6%
Feb-0.3%
Mar+3.6%
Apr+5.3%
May+3.5%
Jun+3.1%
Jul-1.9%
Aug+1.8%
Sep-6.0%
Oct+6.7%
Nov-0.6%
Dec+3.0%

2010

Jan-5.6%
Feb+1.1%
Mar+1.7%
Apr+4.4%
May-9.6%
Jun+1.2%
Jul+7.1%
Aug+1.0%
Sep+0.1%
Oct+4.5%
Nov-1.0%
Dec+5.4%

2009

Jan-1.7%
Feb-23.9%
Mar-3.8%
Apr+9.3%
May+6.7%
Jun+12.4%
Jul+4.0%
Aug+6.5%
Sep+3.6%
Oct-6.3%
Nov+9.8%
Dec+4.9%

2008

Jan-6.5%
Feb-8.7%
Mar+7.3%
Apr+5.0%
May+4.2%
Jun+1.1%
Jul+5.4%
Aug-0.6%
Sep-2.7%
Oct-8.5%
Nov-11.1%
Dec+10.9%

2007

Jan-0.6%
Feb-6.5%
Mar+3.7%
Apr-2.7%
May-0.1%
Jun-8.0%
Jul-8.0%
Aug-0.6%
Sep+4.0%
Oct+8.4%
Nov-2.4%
Dec+0.7%

2006

Jan+7.9%
Feb+3.4%
Mar+5.3%
Apr+1.8%
May+6.5%
Jun+2.6%
Jul+9.4%
Aug-2.4%
Sep-2.3%
Oct+8.7%
Nov+5.1%
Dec-6.1%

2005

Jan+0.0%
Feb+4.0%
Mar-4.1%
Apr-4.0%
May+5.9%
Jun+5.4%
Jul+2.5%
Aug+2.8%
Sep-0.1%
Oct-9.7%
Nov+1.6%
Dec+0.3%

2004

Jan-1.5%
Feb+1.9%
Mar+4.7%
Apr-10.7%
May+1.3%
Jun+8.6%
Jul-5.3%
Aug+3.3%
Sep+1.2%
Oct-1.7%
Nov+0.8%
Dec-0.8%

2003

Jan-5.7%
Feb-5.3%
Mar+3.9%
Apr+11.7%
May+19.7%
Jun+0.7%
Jul+4.2%
Aug+6.4%
Sep+0.2%
Oct+9.1%
Nov+4.5%
Dec+2.8%

2002

Jan+3.2%
Feb+7.7%
Mar+6.4%
Apr+3.0%
May-12.2%
Jun-0.9%
Jul-11.4%
Aug+4.8%
Sep-11.8%
Oct-8.0%
Nov-4.0%
Dec+18.3%

2001

Jan-15.9%
Feb-8.0%
Mar+11.9%
Apr+12.9%
May+11.3%
Jun-9.3%
Jul-13.3%
Aug-5.4%
Sep-16.4%
Oct-11.9%
Nov+1.1%
Dec+10.5%

2000

Jan+90.4%
Feb+2.6%
Mar+35.6%
Apr-27.7%
May-23.7%
Jun-22.1%
Jul+7.5%
Aug-1.0%
Sep+22.1%
Oct-0.2%
Nov-8.6%
Dec+0.4%

1999

Jan-3.8%
Feb-10.9%
Mar-0.9%
Apr-7.6%
May+21.2%
Jun-10.0%
Jul+3.4%
Aug+3.3%
Sep+1.8%
Oct+2.5%
Nov-8.9%
Dec-5.1%

1998

Jan-10.5%
Feb+6.6%
Mar+6.8%
Apr-5.9%
May-4.6%
Jun+3.8%
Jul-8.7%
Aug-15.8%
Sep+17.0%
Oct-5.0%
Nov-2.7%
Dec+5.8%

1997

Jan+0.0%
Feb+0.3%
Mar-5.4%
Apr+2.9%
May+2.4%
Jun+9.0%
Jul+4.4%
Aug-3.4%
Sep+2.6%
Oct-0.3%
Nov+8.8%
Dec+13.8%

1996

Jan+4.3%
Feb+3.2%
Mar+3.2%
Apr-5.2%
May+3.9%
Jun+0.7%
Jul-0.7%
Aug+1.6%
Sep+2.1%
Oct+1.2%
Nov+0.3%
Dec-1.3%

1995

Jan+10.9%
Feb+0.0%
Mar+0.0%
Apr+2.6%
May+1.9%
Jun+4.1%
Jul-3.1%
Aug+2.7%
Sep+3.3%
Oct+6.9%
Nov+4.2%
Dec-0.8%

1994

Jan-1.9%
Feb-4.5%
Mar+0.7%
Apr+2.2%
May-9.4%
Jun-8.7%
Jul+6.9%
Aug+1.2%
Sep-4.9%
Oct+0.8%
Nov-1.3%
Dec-2.6%

1993

Jan+4.1%
Feb+6.2%
Mar+0.9%
Apr+0.6%
May+2.8%
Jun+1.0%
Jul+1.9%
Aug+1.6%
Sep-0.6%
Oct-2.8%
Nov-4.5%
Dec+1.9%

1992

Jan+0.0%
Feb+1.9%
Mar-1.9%
Apr+3.0%
May+1.6%
Jun+0.5%
Jul+6.0%
Aug-2.0%
Sep+1.3%
Oct+1.0%
Nov-0.2%
Dec+2.7%

1991

Jan-2.3%
Feb+4.4%
Mar+0.0%
Apr+3.5%
May-1.2%
Jun-0.3%
Jul+2.5%
Aug+5.8%
Sep+2.0%
Oct-1.4%
Nov+2.9%
Dec+2.2%

1990

Jan-5.2%
Feb+0.7%
Mar-1.1%
Apr-0.7%
May+3.0%
Jun+5.4%
Jul-1.7%
Aug-2.8%
Sep-2.9%
Oct+8.8%
Nov+1.7%
Dec+1.3%

1989

Jan-0.9%
Feb-1.3%
Mar+0.4%
Apr+3.9%
May+9.7%
Jun+2.7%
Jul+2.2%
Aug-1.1%
Sep+3.0%
Oct-2.2%
Nov+1.5%
Dec+4.3%

1988

Jan+13.3%
Feb+3.4%
Mar-8.5%
Apr+6.2%
May+4.4%
Jun+3.7%
Jul-1.8%
Aug-0.9%
Sep+4.2%
Oct+1.3%
Nov-0.9%
Dec+2.7%

1987

Jan+13.5%
Feb+4.5%
Mar+0.0%
Apr-8.1%
May-3.6%
Jun+7.0%
Jul-1.5%
Aug+6.6%
Sep-4.8%
Oct-8.5%
Nov-3.3%
Dec+1.7%

1986

Jan+2.0%
Feb+11.9%
Mar+3.0%
Apr+0.0%
May+6.3%
Jun+4.9%
Jul-2.1%
Aug+7.9%
Sep-9.8%
Oct+2.2%
Nov+1.6%
Dec-7.3%

1985

Jan+8.8%
Feb+3.2%
Mar+4.1%
Apr+2.0%
May+14.4%
Jun+6.7%
Jul-4.7%
Aug+0.8%
Sep-1.6%
Oct+5.0%
Nov+7.1%
Dec+9.6%

1984

Jan+1.3%
Feb-5.6%
Mar-3.4%
Apr-8.3%
May-0.7%
Jun+0.0%
Jul+3.8%
Aug+0.0%
Sep+8.1%
Oct-0.6%
Nov-0.7%
Dec+1.3%

1983

Jan+4.1%
Feb+0.0%
Mar+0.0%
Apr+2.0%
May-6.4%
Jun-4.2%
Jul-1.3%
Aug-0.6%
Sep+3.8%
Oct+6.3%
Nov-9.4%
Dec+1.2%

1982

Jan+2.9%
Feb+0.0%
Mar-5.6%
Apr+8.1%
May-1.4%
Jun-4.7%
Jul+2.1%
Aug+7.2%
Sep+3.3%
Oct+2.6%
Nov+0.0%
Dec+3.8%

1981

Jan
Feb
Mar
Apr
May
Jun+8.7%
Jul+2.1%
Aug-5.7%
Sep+1.6%
Oct+0.7%
Nov+5.9%
Dec-2.8%

Avg

Jan+2.5%
Feb+0.1%
Mar+2.6%
Apr+0.4%
May+1.1%
Jun+0.5%
Jul+1.1%
Aug-0.2%
Sep+0.2%
Oct+0.8%
Nov+0.6%
Dec+2.1%

Median

Jan+0.0%
Feb+1.1%
Mar+1.7%
Apr+2.2%
May+1.6%
Jun+0.9%
Jul+2.0%
Aug-0.2%
Sep+0.7%
Oct+0.8%
Nov+0.1%
Dec+1.9%

Last 5Y Avg

Jan-0.6%
Feb+2.9%
Mar+2.7%
Apr-0.4%
May+0.7%
Jun-2.8%
Jul+1.5%
Aug-3.6%
Sep-2.9%
Oct+1.6%
Nov+4.5%
Dec+2.2%

Std Dev (σ)

Jan14.7%
Feb6.3%
Mar7.1%
Apr6.8%
May7.9%
Jun6.5%
Jul6.5%
Aug4.9%
Sep6.5%
Oct5.7%
Nov5.2%
Dec6.1%

Consistency (μ/σ)

Jan0.17
Feb0.02
Mar0.36
Apr0.07
May0.14
Jun0.08
Jul0.17
Aug-0.05
Sep0.03
Oct0.14
Nov0.11
Dec0.34

Win Rate (%)

Jan47%
Feb56%
Mar64%
Apr64%
May56%
Jun61%
Jul56%
Aug47%
Sep60%
Oct56%
Nov51%
Dec71%

Winning / Losing Months

Jan2124
Feb2520
Mar2916
Apr2916
May2520
Jun2818
Jul2520
Aug2124
Sep2718
Oct2520
Nov2322
Dec3213

Longest Win / Loss Streak

Jan74
Feb43
Mar73
Apr73
May44
Jun74
Jul44
Aug45
Sep64
Oct33
Nov45
Dec93

Best

Jan+90.4%2000
Feb+11.9%1986
Mar+35.6%2000
Apr+12.9%2001
May+21.2%1999
Jun+12.4%2009
Jul+23.9%2017
Aug+7.9%1986
Sep+22.1%2000
Oct+16.1%2014
Nov+12.9%2020
Dec+18.3%2002

Worst

Jan-15.9%2001
Feb-23.9%2009
Mar-9.9%2020
Apr-27.7%2000
May-23.7%2000
Jun-22.1%2000
Jul-13.3%2001
Aug-15.8%1998
Sep-16.4%2001
Oct-11.9%2001
Nov-11.1%2008
Dec-18.3%2018
−27.7%+90.4%

Frequently asked questions

Data & methodology