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Generac (GNRC) Historical Monthly & Quarterly Returns

Dividend-adjusted returns by month and quarter. Compare performance across years.

2026

Jan+23.2%
Feb+34.1%
Mar13.3%
Apr+29.5%
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

2025

Jan3.7%
Feb8.8%
Mar7.0%
Apr9.7%
May+6.8%
Jun+17.3%
Jul+35.9%
Aug4.8%
Sep9.6%
Oct+0.4%
Nov9.8%
Dec10.1%

2024

Jan12.0%
Feb1.0%
Mar+12.1%
Apr+7.8%
May+8.3%
Jun10.2%
Jul+17.7%
Aug+0.5%
Sep+1.5%
Oct+4.2%
Nov+13.7%
Dec17.6%

2023

Jan+19.8%
Feb0.5%
Mar10.0%
Apr5.4%
May+6.6%
Jun+36.9%
Jul+3.1%
Aug22.7%
Sep8.3%
Oct22.8%
Nov+39.3%
Dec+10.4%

2022

Jan19.8%
Feb+11.7%
Mar5.8%
Apr26.2%
May+12.6%
Jun14.8%
Jul+27.4%
Aug17.8%
Sep19.2%
Oct34.9%
Nov9.0%
Dec4.6%

2021

Jan+8.4%
Feb+33.7%
Mar0.6%
Apr1.1%
May+1.5%
Jun+26.3%
Jul+1.0%
Aug+4.2%
Sep6.5%
Oct+22.0%
Nov15.5%
Dec16.5%

2020

Jan+3.0%
Feb0.6%
Mar9.5%
Apr+4.6%
May+14.2%
Jun+9.6%
Jul+29.2%
Aug+20.6%
Sep+1.9%
Oct+8.5%
Nov+2.6%
Dec+5.5%

2019

Jan+6.5%
Feb2.6%
Mar0.6%
Apr+7.3%
May+0.3%
Jun+25.9%
Jul+4.2%
Aug+7.9%
Sep+0.4%
Oct+23.3%
Nov+2.0%
Dec+2.1%

2018

Jan1.2%
Feb9.1%
Mar+3.2%
Apr2.0%
May+11.3%
Jun+3.3%
Jul+3.9%
Aug+3.2%
Sep+1.7%
Oct10.1%
Nov+12.2%
Dec12.7%

2017

Jan1.2%
Feb3.0%
Mar4.5%
Apr5.7%
May1.5%
Jun+4.3%
Jul0.4%
Aug+12.3%
Sep+13.7%
Oct+13.4%
Nov5.6%
Dec+0.7%

2016

Jan4.5%
Feb+22.2%
Mar+7.2%
Apr+2.4%
May0.6%
Jun7.8%
Jul+8.1%
Aug1.3%
Sep2.7%
Oct+4.9%
Nov+7.6%
Dec0.6%

2015

Jan6.5%
Feb+12.7%
Mar1.2%
Apr14.4%
May+0.2%
Jun4.9%
Jul11.8%
Aug11.8%
Sep2.7%
Oct+4.9%
Nov+1.7%
Dec7.3%

2014

Jan15.0%
Feb+18.4%
Mar+3.5%
Apr0.2%
May17.3%
Jun+0.1%
Jul11.0%
Aug+7.2%
Sep12.9%
Oct+11.8%
Nov4.3%
Dec+7.8%

2013

Jan+8.4%
Feb7.4%
Mar+2.6%
Apr+1.6%
May+12.7%
Jun+20.9%
Jul+17.1%
Aug8.7%
Sep+7.7%
Oct+15.7%
Nov+7.9%
Dec+6.3%

2012

Jan+3.6%
Feb12.4%
Mar3.6%
Apr1.8%
May+2.7%
Jun2.8%
Jul+103.3%
Aug5.6%
Sep+6.3%
Oct+48.5%
Nov4.0%
Dec+5.2%

2011

Jan7.9%
Feb+23.0%
Mar+10.7%
Apr+2.7%
May11.6%
Jun+5.4%
Jul4.4%
Aug+11.0%
Sep8.7%
Oct+21.6%
Nov+9.7%
Dec+11.8%

2010

Jan
Feb+4.4%
Mar+4.4%
Apr+7.7%
May27.3%
Jun+27.6%
Jul+5.5%
Aug18.0%
Sep+12.6%
Oct0.8%
Nov+9.9%
Dec+8.8%

Avg

Jan+0.1%
Feb+6.8%
Mar0.7%
Apr0.2%
May+1.2%
Jun+8.6%
Jul+14.3%
Aug1.5%
Sep1.5%
Oct+6.9%
Nov+3.6%
Dec0.7%

Median

Jan1.2%
Feb0.5%
Mar0.6%
Apr0.2%
May+2.1%
Jun+4.8%
Jul+4.8%
Aug0.4%
Sep1.1%
Oct+6.7%
Nov+2.3%
Dec+1.4%

Win %

Jan44%
Feb47%
Mar41%
Apr47%
May69%
Jun69%
Jul75%
Aug50%
Sep50%
Oct75%
Nov63%
Dec56%

Frequently asked questions

What is the best performing month for Generac (GNRC) stock?

Historically, July is the best performing month for Generac (GNRC) stock with an average return of +14.31%.

What is the worst performing month for Generac (GNRC) stock?

Historically, September is the worst performing month for Generac (GNRC) stock with an average return of 1.54%.

What is the best performing quarter for Generac (GNRC) stock?

Historically, Q3 is the best performing quarter for Generac (GNRC) stock with an average return of +11.08%.

What is the worst performing quarter for Generac (GNRC) stock?

Historically, Q1 is the worst performing quarter for Generac (GNRC) stock with an average return of +5.68%.

What is the best performing year for Generac (GNRC) stock?

Historically, 2012 is the best performing year for Generac (GNRC) stock with a return of +162.45%.

What is the worst performing year for Generac (GNRC) stock?

Historically, 2022 is the worst performing year for Generac (GNRC) stock with a return of 71.40%.

Which month has the highest win rate for Generac (GNRC) stock?

Historically, July has the highest win rate for Generac (GNRC) stock — positive in 75% of years.

Which month has the lowest win rate for Generac (GNRC) stock?

Historically, March has the lowest win rate for Generac (GNRC) stock — positive in 41% of years.

Which quarter has the highest win rate for Generac (GNRC) stock?

Historically, Q4 has the highest win rate for Generac (GNRC) stock — positive in 63% of years.

Which quarter has the lowest win rate for Generac (GNRC) stock?

Historically, Q2 has the lowest win rate for Generac (GNRC) stock — positive in 53% of years.

Data & methodology

How are returns calculated?

We compare the closing price at the end of each period (month or quarter) with the closing price at the end of the previous period. The return is the percentage change. All prices are adjusted for dividends and stock splits. Based on historical prices from our data provider.

What is average vs median?

Average is the arithmetic mean of returns for each period across years. Median is the middle value. Both exclude empty cells. Use median to reduce impact of outliers.

What does the heatmap show?

Green cells indicate positive returns, red cells indicate negative returns. The darker the color, the stronger the move. Average and Median rows summarize each column across years.

What is Win %?

Percentage of years when the period had a positive return. For example, 80% for January means January was positive in 80% of the years in the selected range.