Generac (GNRC)
S&P 500 · Industrials · data since 2010-02-11 · last close 2026-09-09
Generac (GNRC) monthly returns (%)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 23.2 | 34.1 | -13.3 | 32.7 | 7.2 | 5.4 | -32.7 | -6.0 | 0.6 | · | · | · |
| 2025 | -3.7 | -8.8 | -7.0 | -9.7 | 6.8 | 17.3 | 36.0 | -4.8 | -9.6 | 0.4 | -9.8 | -10.1 |
| 2024 | -12.1 | -1.0 | 12.1 | 7.8 | 8.3 | -10.2 | 17.7 | 0.6 | 1.5 | 4.2 | 13.7 | -17.6 |
| 2023 | 19.8 | -0.5 | -10.0 | -5.4 | 6.5 | 36.9 | 3.1 | -22.7 | -8.3 | -22.8 | 39.3 | 10.4 |
| 2022 | -19.8 | 11.7 | -5.8 | -26.2 | 12.6 | -14.8 | 27.4 | -17.9 | -19.2 | -34.9 | -9.0 | -4.6 |
| 2021 | 8.4 | 33.7 | -0.6 | -1.1 | 1.5 | 26.3 | 1.0 | 4.2 | -6.5 | 22.0 | -15.5 | -16.5 |
| 2020 | 3.0 | -0.6 | -9.5 | 4.6 | 14.2 | 9.6 | 29.2 | 20.6 | 1.9 | 8.5 | 2.6 | 5.5 |
| 2019 | 6.5 | -2.6 | -0.6 | 7.3 | 0.3 | 25.9 | 4.2 | 7.9 | 0.5 | 23.3 | 2.0 | 2.1 |
| 2018 | -1.2 | -9.1 | 3.2 | -2.0 | 11.3 | 3.3 | 3.9 | 3.2 | 1.7 | -10.1 | 12.2 | -12.7 |
| 2017 | -1.2 | -3.0 | -4.5 | -5.7 | -1.5 | 4.3 | -0.4 | 12.3 | 13.7 | 13.4 | -5.6 | 0.7 |
| 2016 | -4.5 | 22.2 | 7.2 | 2.4 | -0.6 | -7.8 | 8.1 | -1.3 | -2.7 | 4.9 | 7.6 | -0.6 |
| 2015 | -6.5 | 12.7 | -1.2 | -14.4 | 0.2 | -4.9 | -11.8 | -11.8 | -2.7 | 4.9 | 1.7 | -7.3 |
| 2014 | -15.0 | 18.4 | 3.5 | -0.1 | -17.3 | 0.1 | -11.0 | 7.2 | -12.8 | 11.8 | -4.3 | 7.8 |
| 2013 | 8.4 | -7.3 | 2.6 | 1.7 | 12.7 | 4.1 | 17.1 | -8.7 | 7.7 | 15.7 | 7.9 | 6.3 |
| 2012 | 3.7 | -12.5 | -3.5 | -1.9 | 2.8 | -2.8 | 26.4 | -5.6 | 6.2 | 48.5 | -4.0 | 5.2 |
| 2011 | -7.8 | 23.0 | 10.7 | 2.6 | -11.6 | 5.4 | -4.4 | 11.1 | -8.7 | 21.5 | 9.7 | 11.8 |
| 2010 | · | 4.6 | 4.3 | 7.7 | -27.2 | 27.5 | 5.4 | -17.9 | 12.5 | -0.8 | 9.8 | 8.8 |
| Avg | 0.1 | 6.8 | -0.7 | 0.0 | 1.5 | 7.4 | 7.0 | -1.7 | -1.4 | 6.9 | 3.6 | -0.7 |
Values in %. Current and first-listed months are partial (greyed).
returnsview.com
GNRC seasonality — average by calendar month
Generac has monthly history back to 2010. Its strongest month by median is October — positive in 12 of 16 years, median +6.7%, and higher in 6 of the last 9. August is the soft spot, down in 9 of 17 with a median of -1.3%. Across its full record it has closed 57% of months higher, swings ±13.3% in an average month and has fallen 83.7% peak to trough.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg | +0.1% | +6.8% | -0.7% | +0.0% | +1.6% | +7.4% | +7.0% | -1.8% | -1.6% | +6.9% | +3.6% | -0.7% |
| Win rate | 44%/16 | 47%/17 | 41%/17 | 47%/17 | 71%/17 | 71%/17 | 71%/17 | 47%/17 | 50%/16 | 75%/16 | 62%/16 | 56%/16 |
Win rate = share of positive months / sample size.
GNRC risk & extremes
GNRC drawdown & rolling returns
Percent below the all-time high at each month-end — how far underwater the asset was.
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Frequently asked questions
What was Generac's best month?+
Generac's strongest completed month on record is October 2012, at +48.54%.
What was Generac's worst month?+
Its weakest completed month on record is October 2022, at -34.93%.
Is Generac up this year?+
Generac is up 36.75% year to date, measured from its last close before 1 January.
What is Generac's 1-year return?+
+2.57% over the past twelve months, comparing the latest close with the most recent close on or before the same date a year earlier.
What is Generac's biggest drawdown?+
The deepest peak-to-trough fall on record is 83.7%, measured on month-end closes since 2010.
Which calendar month is historically best for Generac?+
June has the highest average return across every completed June since 2010. An average is not a forecast.
About Generac
Generac is an S&P 500 company, an industrials business worth about $11 billion. It measures its order book in years, not quarters — with price receipts on this site going back to 2010. And the long game: $100 at its first close here (2010) would be about $2,095 today.
Did you know?
- Its best month on record was October 2012 at +48.54%; its worst, October 2022 at -34.93%.
- It has closed October in the green 12 out of 16 times — calendar astrology, but the fun kind.
Trivia for entertainment — the numbers come from our price data; the jokes don't.