What is the current 10-day volatility of CLNE?

As of today, CLNE 10-day volatility is 28.15%

What 10-day volatility category does CLNE fall into?

Based on its current 10-day historical volatility, CLNE falls into the moderate volatility category

What is CLNE 10-day volatility 1-year high?

CLNE 10-day volatility reached a 1-year high of 132.68% on May 21, 2025

What is CLNE 10-day volatility 1-year low?

CLNE 10-day volatility reached a 1-year low of 18.79% on February 20, 2025

What is the current 1-month volatility of CLNE?

As of today, CLNE 1-month volatility is 26.84%

What 1-month volatility category does CLNE fall into?

Based on its current 1-month historical volatility, CLNE falls into the moderate volatility category

What is CLNE 1-month volatility 1-year high?

CLNE 1-month volatility reached a 1-year high of 108.67% on March 3, 2025

What is CLNE 1-month volatility 1-year low?

CLNE 1-month volatility reached a 1-year low of 26.31% on December 22, 2025

What is the current 3-month volatility of CLNE?

As of today, CLNE 3-month volatility is 54.12%

What 3-month volatility category does CLNE fall into?

Based on its current 3-month historical volatility, CLNE falls into the high volatility category

What is CLNE 3-month volatility 1-year high?

CLNE 3-month volatility reached a 1-year high of 99.17% on May 14, 2025

What is CLNE 3-month volatility 1-year low?

CLNE 3-month volatility reached a 1-year low of 53.91% on January 7, 2026

What is the current 1-year volatility of CLNE?

As of today, CLNE 1-year volatility is 70.33%

What 1-year volatility category does CLNE fall into?

Based on its current 1-year historical volatility, CLNE falls into the extreme volatility category

What is CLNE 1-year volatility 1-year high?

CLNE 1-year volatility reached a 1-year high of 75.46% on May 13, 2025

What is CLNE 1-year volatility 1-year low?

CLNE 1-year volatility reached a 1-year low of 60.77% on January 9, 2025

CLNE Stock Volatility History & Chart Since 2016

10-Day

28.15%

January 9, 2026

Summary

Current Value: As of today, CLNE 10-day volatility is 28.15%, down -2.66% on January 9, 2026
Value Category: Based on its current 10-day historical volatility, CLNE falls into the moderate volatility category
1-Year High: CLNE 10-day volatility reached a 1-year high of 132.68% on May 21, 2025
1-Year Low: CLNE 10-day volatility reached a 1-year low of 18.79% on February 20, 2025

10-Day Volatility Chart

Performance

CLNE Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
10-Day Volatility	Jan 9, 26	28.15%	-2.7%	-9.4%	-52.0%	+14.8%	-54.4%	-40.8%	-81.1%
1-Month Volatility	Jan 9, 26	26.84%	-1.4%	-13.4%	-48.6%	-11.9%	-47.8%	-45.7%	-84.9%
3-Month Volatility	Jan 9, 26	54.12%	+0.3%	-9.6%	-7.1%	-0.8%	-2.0%	-18.3%	-59.8%
1-Year Volatility	Jan 9, 26	70.33%	-0.2%	-1.6%	-0.3%	-1.3%	+15.7%	-3.7%	-38.8%
14-Day RSI	Jan 9, 26	41.32	-10.0%	-12.1%	-20.7%	+17.0%	-34.5%	-7.0%	-43.7%
Beta	Jan 9, 26	1.55	-0.6%	-1.9%	-2.5%	-1.3%	-7.7%	-9.9%	-14.8%
ATR	Jan 9, 26	$0.09	+3.1%	-16.6%	-36.3%	+6.0%	-43.8%	-72.5%	-91.7%
Price	Jan 9, 26	$2.13	-2.3%	-6.6%	-19.0%	+1.4%	-29.2%	-60.4%	-79.2%
200-Day SMA	Jan 9, 26	$2.16	+0.1%	+1.8%	-2.9%	+0.6%	-21.6%	-64.7%	-27.8%
50-Day SMA	Jan 9, 26	$2.28	-0.7%	-9.4%	-8.0%	-3.7%	-19.1%	-62.9%	-53.8%

10-Day Volatility History

Date	Value	Change
Jan 9, 2026	28.15%	+14.8%
Dec 31, 2025	24.52%	-41.6%
Dec 31, 2024	41.97%	-37.4%
Dec 31, 2023	67.08%	+44.3%
Dec 31, 2022	46.50%	+4.3%
Dec 31, 2021	44.60%	-78.3%

Date	Value	Change
Dec 31, 2020	205.15%	+83.1%
Dec 31, 2019	112.02%	+91.5%
Dec 31, 2018	58.49%	+135.2%
Dec 31, 2017	24.87%	-55.4%
Dec 31, 2016	55.76%	-

FAQ

What is the current 10-day volatility of CLNE?
As of today, CLNE 10-day volatility is 28.15%
What 10-day volatility category does CLNE fall into?
Based on its current 10-day historical volatility, CLNE falls into the moderate volatility category
What is CLNE 10-day volatility 1-year high?
CLNE 10-day volatility reached a 1-year high of 132.68% on May 21, 2025
What is CLNE 10-day volatility 1-year low?
CLNE 10-day volatility reached a 1-year low of 18.79% on February 20, 2025

1-Month

26.84%

January 9, 2026

Summary

Current Value: As of today, CLNE 1-month volatility is 26.84%, down -1.36% on January 9, 2026
Value Category: Based on its current 1-month historical volatility, CLNE falls into the moderate volatility category
1-Year High: CLNE 1-month volatility reached a 1-year high of 108.67% on March 3, 2025
1-Year Low: CLNE 1-month volatility reached a 1-year low of 26.31% on December 22, 2025

Performance

CLNE Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Month Volatility	Jan 9, 26	26.84%	-1.4%	-13.4%	-48.6%	-11.9%	-47.8%	-45.7%	-84.9%
10-Day Volatility	Jan 9, 26	28.15%	-2.7%	-9.4%	-52.0%	+14.8%	-54.4%	-40.8%	-81.1%
3-Month Volatility	Jan 9, 26	54.12%	+0.3%	-9.6%	-7.1%	-0.8%	-2.0%	-18.3%	-59.8%
1-Year Volatility	Jan 9, 26	70.33%	-0.2%	-1.6%	-0.3%	-1.3%	+15.7%	-3.7%	-38.8%
14-Day RSI	Jan 9, 26	41.32	-10.0%	-12.1%	-20.7%	+17.0%	-34.5%	-7.0%	-43.7%
Beta	Jan 9, 26	1.55	-0.6%	-1.9%	-2.5%	-1.3%	-7.7%	-9.9%	-14.8%
ATR	Jan 9, 26	$0.09	+3.1%	-16.6%	-36.3%	+6.0%	-43.8%	-72.5%	-91.7%
Price	Jan 9, 26	$2.13	-2.3%	-6.6%	-19.0%	+1.4%	-29.2%	-60.4%	-79.2%
200-Day SMA	Jan 9, 26	$2.16	+0.1%	+1.8%	-2.9%	+0.6%	-21.6%	-64.7%	-27.8%
50-Day SMA	Jan 9, 26	$2.28	-0.7%	-9.4%	-8.0%	-3.7%	-19.1%	-62.9%	-53.8%

1-Month Volatility History

Date	Value	Change
Jan 9, 2026	26.84%	-10.5%
Dec 31, 2025	29.98%	-14.0%
Dec 31, 2024	34.86%	-63.1%
Dec 31, 2023	94.43%	+88.2%
Dec 31, 2022	50.18%	-21.8%
Dec 31, 2021	64.19%	-61.9%

Date	Value	Change
Dec 31, 2020	168.55%	+114.0%
Dec 31, 2019	78.76%	+54.6%
Dec 31, 2018	50.95%	+107.0%
Dec 31, 2017	24.61%	-43.8%
Dec 31, 2016	43.82%	-

FAQ

What is the current 1-month volatility of CLNE?
As of today, CLNE 1-month volatility is 26.84%
What 1-month volatility category does CLNE fall into?
Based on its current 1-month historical volatility, CLNE falls into the moderate volatility category
What is CLNE 1-month volatility 1-year high?
CLNE 1-month volatility reached a 1-year high of 108.67% on March 3, 2025
What is CLNE 1-month volatility 1-year low?
CLNE 1-month volatility reached a 1-year low of 26.31% on December 22, 2025

3-Month

54.12%

January 9, 2026

Summary

Current Value: As of today, CLNE 3-month volatility is 54.12%, up +0.26% on January 9, 2026
Value Category: Based on its current 3-month historical volatility, CLNE falls into the high volatility category
1-Year High: CLNE 3-month volatility reached a 1-year high of 99.17% on May 14, 2025
1-Year Low: CLNE 3-month volatility reached a 1-year low of 53.91% on January 7, 2026

Performance

CLNE Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
3-Month Volatility	Jan 9, 26	54.12%	+0.3%	-9.6%	-7.1%	-0.8%	-2.0%	-18.3%	-59.8%
10-Day Volatility	Jan 9, 26	28.15%	-2.7%	-9.4%	-52.0%	+14.8%	-54.4%	-40.8%	-81.1%
1-Month Volatility	Jan 9, 26	26.84%	-1.4%	-13.4%	-48.6%	-11.9%	-47.8%	-45.7%	-84.9%
1-Year Volatility	Jan 9, 26	70.33%	-0.2%	-1.6%	-0.3%	-1.3%	+15.7%	-3.7%	-38.8%
14-Day RSI	Jan 9, 26	41.32	-10.0%	-12.1%	-20.7%	+17.0%	-34.5%	-7.0%	-43.7%
Beta	Jan 9, 26	1.55	-0.6%	-1.9%	-2.5%	-1.3%	-7.7%	-9.9%	-14.8%
ATR	Jan 9, 26	$0.09	+3.1%	-16.6%	-36.3%	+6.0%	-43.8%	-72.5%	-91.7%
Price	Jan 9, 26	$2.13	-2.3%	-6.6%	-19.0%	+1.4%	-29.2%	-60.4%	-79.2%
200-Day SMA	Jan 9, 26	$2.16	+0.1%	+1.8%	-2.9%	+0.6%	-21.6%	-64.7%	-27.8%
50-Day SMA	Jan 9, 26	$2.28	-0.7%	-9.4%	-8.0%	-3.7%	-19.1%	-62.9%	-53.8%

3-Month Volatility History

Date	Value	Change
Jan 9, 2026	54.12%	-0.4%
Dec 31, 2025	54.32%	+8.4%
Dec 31, 2024	50.12%	-31.3%
Dec 31, 2023	72.92%	+4.1%
Dec 31, 2022	70.02%	+19.5%
Dec 31, 2021	58.61%	-52.4%

Date	Value	Change
Dec 31, 2020	123.18%	+131.5%
Dec 31, 2019	53.21%	-0.4%
Dec 31, 2018	53.42%	+38.3%
Dec 31, 2017	38.62%	-24.1%
Dec 31, 2016	50.88%	-

FAQ

What is the current 3-month volatility of CLNE?
As of today, CLNE 3-month volatility is 54.12%
What 3-month volatility category does CLNE fall into?
Based on its current 3-month historical volatility, CLNE falls into the high volatility category
What is CLNE 3-month volatility 1-year high?
CLNE 3-month volatility reached a 1-year high of 99.17% on May 14, 2025
What is CLNE 3-month volatility 1-year low?
CLNE 3-month volatility reached a 1-year low of 53.91% on January 7, 2026

1-Year

70.33%

January 9, 2026

Summary

Current Value: As of today, CLNE 1-year volatility is 70.33%, down -0.16% on January 9, 2026
Value Category: Based on its current 1-year historical volatility, CLNE falls into the extreme volatility category
1-Year High: CLNE 1-year volatility reached a 1-year high of 75.46% on May 13, 2025
1-Year Low: CLNE 1-year volatility reached a 1-year low of 60.77% on January 9, 2025

Performance

CLNE Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
1-Year Volatility	Jan 9, 26	70.33%	-0.2%	-1.6%	-0.3%	-1.3%	+15.7%	-3.7%	-38.8%
10-Day Volatility	Jan 9, 26	28.15%	-2.7%	-9.4%	-52.0%	+14.8%	-54.4%	-40.8%	-81.1%
1-Month Volatility	Jan 9, 26	26.84%	-1.4%	-13.4%	-48.6%	-11.9%	-47.8%	-45.7%	-84.9%
3-Month Volatility	Jan 9, 26	54.12%	+0.3%	-9.6%	-7.1%	-0.8%	-2.0%	-18.3%	-59.8%
1-Year Volatility	Jan 9, 26	70.33%	-0.2%	-1.6%	-0.3%	-1.3%	+15.7%	-3.7%	-38.8%
14-Day RSI	Jan 9, 26	41.32	-10.0%	-12.1%	-20.7%	+17.0%	-34.5%	-7.0%	-43.7%
Beta	Jan 9, 26	1.55	-0.6%	-1.9%	-2.5%	-1.3%	-7.7%	-9.9%	-14.8%
ATR	Jan 9, 26	$0.09	+3.1%	-16.6%	-36.3%	+6.0%	-43.8%	-72.5%	-91.7%
Price	Jan 9, 26	$2.13	-2.3%	-6.6%	-19.0%	+1.4%	-29.2%	-60.4%	-79.2%
200-Day SMA	Jan 9, 26	$2.16	+0.1%	+1.8%	-2.9%	+0.6%	-21.6%	-64.7%	-27.8%
50-Day SMA	Jan 9, 26	$2.28	-0.7%	-9.4%	-8.0%	-3.7%	-19.1%	-62.9%	-53.8%

1-Year Volatility History

Date	Value	Change
Jan 9, 2026	70.33%	-1.3%
Dec 31, 2025	71.27%	+19.1%
Dec 31, 2024	59.84%	+7.5%
Dec 31, 2023	55.65%	-24.4%
Dec 31, 2022	73.60%	-24.4%
Dec 31, 2021	97.41%	-13.2%

Date	Value	Change
Dec 31, 2020	112.26%	+95.3%
Dec 31, 2019	57.47%	-7.2%
Dec 31, 2018	61.91%	+45.8%
Dec 31, 2017	42.45%	-35.5%
Dec 31, 2016	65.77%	-

FAQ

What is the current 1-year volatility of CLNE?
As of today, CLNE 1-year volatility is 70.33%
What 1-year volatility category does CLNE fall into?
Based on its current 1-year historical volatility, CLNE falls into the extreme volatility category
What is CLNE 1-year volatility 1-year high?
CLNE 1-year volatility reached a 1-year high of 75.46% on May 13, 2025
What is CLNE 1-year volatility 1-year low?
CLNE 1-year volatility reached a 1-year low of 60.77% on January 9, 2025

Data Sources & References

CLNE Official Website www.cleanenergyfuels.com
Most Recent Quarterly Report (10-Q) www.sec.gov/Archives/edgar/data/1368265/000110465925106319/0001104659-25-106319-index.htm
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1368265/000155837025001390/0001558370-25-001390-index.htm
CLNE Profile on Yahoo Finance finance.yahoo.com/quote/CLNE
CLNE Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/clne