When holding the United States Natural Gas Fund (UNG) ETF, how long should you stay invested to have high probability to achieve a positive return?
Over the selected period (~36 years), the longest duration with a negative return was 430 months (from May 1990 to February 2026). This negative serie is not closed yet.
Understanding this metric is crucial as it highlights the importance of a safe investment horizon. Knowing the minimum duration required to likely see positive returns helps investors set realistic expectations and reinforces the strategy of staying invested through market cycles. This approach can mitigate the emotional reactions to short-term market fluctuations and enhance the likelihood of achieving financial goals.
United States Natural Gas Fund (UNG) ETF: Historical Returns
Previous vs subsequent Returns
Is there a correlation between past and future returns over all 10-year rolling periods?
The following chart illustrates the relationship between past returns (x-axis) and subsequent returns (y-axis).
Data points are aggregated to show occurrences, and you can zoom in by clicking or drawing over the desired area.
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As of Feb 28, 2026, the annualized return of the previous 10 years has been -19.13%.
Rolling Returns
A rolling return is a measure of investment performance that calculates the return of an investment over a set period of time, with the starting date rolling forward. This approach can provide a more accurate representation of the investment's historical performance and helps investors to evaluate the investment's consistency over time.
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Rolling Period Analysis
By selecting the 'Rolling Period', the chart and data will update. To study a different date range, change the simulation settings.
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| Worst | Median | Best | Negative Periods |
|---|---|---|---|
|
-77.97%
Jul 2008 - Jun 2009 |
-9.77% |
+325.00%
Jan 2000 - Dec 2000 |
56.09%
235 out of 419 |
|
-78.66%
Jun 2022 - May 2023 |
-11.67% |
+310.88%
Jan 2000 - Dec 2000 |
58.95%
247 out of 419 |
|
-67.50%
Sep 2022 - Aug 2024 |
-9.11% |
+124.18%
Jan 1999 - Dec 2000 |
60.93%
248 out of 407 |
|
-68.50%
Sep 2022 - Aug 2024 |
-11.93% |
+117.53%
Jan 1999 - Dec 2000 |
64.37%
262 out of 407 |
|
-55.60%
Jul 2008 - Jun 2011 |
-9.44% |
+62.83%
Jan 1998 - Dec 2000 |
60.25%
238 out of 395 |
|
-56.09%
Jul 2008 - Jun 2011 |
-11.41% |
+58.75%
Jan 1998 - Dec 2000 |
64.81%
256 out of 395 |
|
-55.93%
Jun 2008 - May 2012 |
-13.08% |
+57.82%
Oct 2001 - Sep 2005 |
60.05%
230 out of 383 |
|
-56.59%
Jun 2008 - May 2012 |
-15.37% |
+53.54%
Oct 2001 - Sep 2005 |
63.19%
242 out of 383 |
|
-48.11%
Jul 2008 - Jun 2013 |
-14.19% |
+30.14%
Jan 1996 - Dec 2000 |
59.30%
220 out of 371 |
|
-48.80%
Jul 2008 - Jun 2013 |
-16.22% |
+26.89%
Jan 1996 - Dec 2000 |
62.80%
233 out of 371 |
|
-39.54%
Jul 2008 - Jun 2014 |
-14.99% |
+34.03%
Jan 1995 - Dec 2000 |
60.72%
218 out of 359 |
|
-40.41%
Jul 2008 - Jun 2014 |
-17.10% |
+30.70%
Jan 1995 - Dec 2000 |
64.62%
232 out of 359 |
|
-40.33%
Jul 2008 - Jun 2015 |
-15.98% |
+30.79%
Sep 1998 - Aug 2005 |
59.37%
206 out of 347 |
|
-41.09%
Jul 2008 - Jun 2015 |
-18.00% |
+27.43%
Sep 1998 - Aug 2005 |
61.67%
214 out of 347 |
|
-40.61%
Jun 2008 - May 2016 |
-17.21% |
+24.56%
Jan 1993 - Dec 2000 |
63.28%
212 out of 335 |
|
-41.40%
Jun 2008 - May 2016 |
-19.18% |
+21.41%
Jan 1993 - Dec 2000 |
65.37%
219 out of 335 |
|
-38.04%
Jul 2008 - Jun 2017 |
-15.79% |
+24.68%
Jan 1992 - Dec 2000 |
63.47%
205 out of 323 |
|
-38.83%
Jul 2008 - Jun 2017 |
-17.46% |
+21.48%
Jan 1992 - Dec 2000 |
64.71%
209 out of 323 |
|
-35.87%
Jul 2008 - Jun 2018 |
-17.10% |
+23.04%
Oct 1995 - Sep 2005 |
63.99%
199 out of 311 |
|
-36.79%
Jul 2008 - Jun 2018 |
-19.07% |
+19.87%
Oct 1995 - Sep 2005 |
65.27%
203 out of 311 |
|
-34.28%
Jul 2008 - Jun 2019 |
-16.95% |
+21.35%
Oct 1994 - Sep 2005 |
65.22%
195 out of 299 |
|
-35.23%
Jul 2008 - Jun 2019 |
-18.85% |
+18.23%
Oct 1994 - Sep 2005 |
68.56%
205 out of 299 |
|
-35.60%
Jul 2008 - Jun 2020 |
-15.91% |
+16.23%
Oct 1993 - Sep 2005 |
69.34%
199 out of 287 |
|
-36.49%
Jul 2008 - Jun 2020 |
-17.90% |
+13.21%
Oct 1993 - Sep 2005 |
70.38%
202 out of 287 |
|
-32.61%
Jun 2008 - May 2021 |
-15.66% |
+17.89%
Jul 1995 - Jun 2008 |
72.00%
198 out of 275 |
|
-33.75%
Jun 2008 - May 2021 |
-17.53% |
+14.71%
Jul 1995 - Jun 2008 |
74.18%
204 out of 275 |
|
-29.34%
Dec 2006 - Nov 2020 |
-15.04% |
+16.38%
Jan 1992 - Dec 2005 |
74.52%
196 out of 263 |
|
-30.62%
Dec 2006 - Nov 2020 |
-16.81% |
+13.42%
Jan 1992 - Dec 2005 |
75.67%
199 out of 263 |
|
-31.43%
Jun 2008 - May 2023 |
-14.88% |
+14.53%
Sep 1990 - Aug 2005 |
75.70%
190 out of 251 |
|
-32.98%
Jun 2008 - May 2023 |
-16.69% |
+11.52%
Sep 1990 - Aug 2005 |
80.08%
201 out of 251 |
|
-31.86%
May 2008 - Apr 2024 |
-14.91% |
+14.36%
Jul 1992 - Jun 2008 |
82.43%
197 out of 239 |
|
-33.47%
May 2008 - Apr 2024 |
-16.67% |
+11.26%
Jul 1992 - Jun 2008 |
84.94%
203 out of 239 |
|
-30.84%
Jul 2008 - Jun 2025 |
-13.85% |
+15.00%
Jul 1991 - Jun 2008 |
86.34%
196 out of 227 |
|
-32.41%
Jul 2008 - Jun 2025 |
-15.68% |
+11.87%
Jul 1991 - Jun 2008 |
88.11%
200 out of 227 |
|
-29.25%
Mar 2008 - Feb 2026 |
-13.53% |
+12.67%
Jul 1990 - Jun 2008 |
88.84%
191 out of 215 |
|
-30.92%
Mar 2008 - Feb 2026 |
-15.36% |
+9.49%
Jul 1990 - Jun 2008 |
92.09%
198 out of 215 |
|
-28.56%
Nov 2005 - Oct 2024 |
-12.78% |
+3.42%
Jun 1990 - May 2009 |
92.61%
188 out of 203 |
|
-30.27%
Nov 2005 - Oct 2024 |
-14.64% |
+0.73%
Jun 1990 - May 2009 |
98.03%
199 out of 203 |
|
-27.72%
Oct 2005 - Sep 2025 |
-12.39% |
+0.95%
Aug 1990 - Jul 2010 |
98.95%
189 out of 191 |
|
-29.47%
Oct 2005 - Sep 2025 |
-14.26% |
-1.60%
Aug 1990 - Jul 2010 |
100.00%
191 out of 191 |
|
-21.97%
Jan 2001 - Dec 2025 |
-10.81% |
-5.57%
Aug 1990 - Jul 2015 |
100.00%
131 out of 131 |
|
-23.90%
Jan 2001 - Dec 2025 |
-12.96% |
-7.82%
Aug 1990 - Jul 2015 |
100.00%
131 out of 131 |
|
-15.03%
Jan 1996 - Dec 2025 |
-11.82% |
-7.00%
May 1992 - Apr 2022 |
100.00%
71 out of 71 |
|
-17.13%
Jan 1996 - Dec 2025 |
-14.00% |
-9.23%
May 1992 - Apr 2022 |
100.00%
71 out of 71 |
United States Natural Gas Fund (UNG) ETF: Historical Returns

