Seasolyze

Seasonal Evaluation for iShares 20+ Year Treasury Bond ETF (TLT)

The following tables show quarterly and semi-annual reports.

In the quarterly breakdown, the first through fourth quarters correspond to spring, summer, fall, and winter, respectively.
Detailed definitions for the semi-annual periods are provided in the table headers.

Quarterly Seasonality for
iShares 20+ Year Treasury Bond ETF (TLT)
Overview 1st Quarter
Jan. - Mar.
2nd Quarter
Apr. - Jun.
3rd Quarter
Jul. - Sep.
4th Quarter
Oct. - Dec.
Success Rate 55.00% 45.00% 65.00% 45.00%
Median Return 0.43% -0.83% 2.81% -1.31%
Average Return 3.51% 4.98% 3.85% 4.25%
Maximum Gain 22.15% 14.89% 29.62% 27.51%
Gain Year 2020 2010 2011 2008
Maximum Loss -13.92% -12.59% -13.10% -12.64%
Loss Year 2021 2022 2023 2016
Based on the past 20 years (2006-2025)

Half-Year Seasonality for
iShares 20+ Year Treasury Bond ETF (TLT)
Overview Winter Season
Oct. - Mar.
Summer Season
Apr. - Sep.
First HY
Jan. - Jun.
Second HY
Jul. - Dec.
Success Rate 50.00% 55.00% 50.00% 55.00%
Median Return -0.40% 0.44% 0.00% 0.38%
Average Return 3.83% 4.28% 4.11% 4.01%
Maximum Gain 27.51% 29.62% 22.15% 29.62%
Gain Year 2008 2011 2020 2011
Maximum Loss -13.92% -13.10% -13.92% -13.10%
Loss Year 2021 2023 2021 2023
Based on the past 20 years (2006-2025)