iShares 10-20 Year Treasury Bond ETF (TLH)
Bonds · Long Treasuries · data since 2007-01-11 · last close 2026-10-02
iShares 10-20 Year Treasury Bond ETF (TLH) monthly returns (%)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -0.1 | 3.7 | -3.8 | -0.5 | 0.4 | 0.9 | -3.5 | 0.5 | -5.0 | -0.1 | · | · |
| 2025 | 0.7 | 4.6 | -0.5 | -0.7 | -2.5 | 2.3 | -0.7 | 0.8 | 2.4 | 1.2 | 0.6 | -1.6 |
| 2024 | -1.2 | -2.4 | 1.3 | -5.3 | 2.8 | 1.6 | 3.5 | 1.8 | 2.1 | -4.9 | 1.8 | -4.6 |
| 2023 | 6.2 | -4.7 | 5.2 | 0.4 | -2.6 | -0.2 | -1.9 | -2.2 | -6.5 | -4.0 | 8.2 | 7.4 |
| 2022 | -3.3 | -1.0 | -5.1 | -7.8 | -1.3 | -1.4 | 3.0 | -4.6 | -7.1 | -4.1 | 6.5 | -1.7 |
| 2021 | -3.0 | -5.3 | -4.0 | 1.9 | 0.1 | 3.2 | 3.3 | -0.2 | -2.6 | 0.7 | 2.2 | -1.3 |
| 2020 | 5.7 | 4.8 | 5.7 | 0.5 | -0.4 | 0.2 | 2.8 | -3.7 | 0.8 | -2.8 | 1.1 | -1.1 |
| 2019 | 0.4 | -0.8 | 3.9 | -1.2 | 4.6 | 1.2 | 0.3 | 6.7 | -1.8 | -0.5 | -0.8 | -2.0 |
| 2018 | -2.6 | -1.6 | 1.8 | -1.6 | 1.2 | 0.3 | -0.9 | 1.2 | -1.8 | -1.1 | 1.7 | 4.1 |
| 2017 | 0.5 | 1.1 | -0.2 | 1.3 | 0.9 | -0.3 | 0.1 | 2.1 | -1.7 | -0.1 | -0.1 | 0.6 |
| 2016 | 3.7 | 1.9 | 0.1 | -0.4 | 0.3 | 4.2 | 0.7 | -1.1 | -0.3 | -2.3 | -5.2 | -0.3 |
| 2015 | 5.0 | -2.9 | 0.9 | -1.1 | -0.5 | -2.0 | 2.5 | -0.5 | 1.8 | -0.8 | -0.4 | -0.4 |
| 2014 | 4.1 | 0.5 | 0.0 | 1.1 | 2.2 | -0.3 | 0.1 | 2.7 | -1.3 | 1.8 | 1.2 | 1.4 |
| 2013 | -2.0 | 1.2 | 0.4 | 2.5 | -4.3 | -3.0 | -0.9 | -1.0 | 1.4 | 1.0 | -1.8 | -1.8 |
| 2012 | 0.6 | -1.5 | -2.6 | 3.6 | 4.9 | -1.0 | 2.1 | -0.5 | -1.0 | -0.3 | 1.2 | -1.7 |
| 2011 | -0.8 | 0.8 | -0.2 | 1.9 | 2.8 | -1.4 | 3.9 | 6.5 | 5.1 | -2.0 | 1.1 | 2.4 |
| 2010 | 2.8 | 0.1 | -1.1 | 2.3 | 3.3 | 3.9 | 0.8 | 5.4 | -0.9 | -1.6 | -1.4 | -3.9 |
| 2009 | -6.8 | -0.7 | 4.9 | -4.5 | -2.3 | 0.5 | 0.6 | 1.7 | 1.7 | -0.8 | 2.4 | -5.4 |
| 2008 | 2.8 | 0.6 | 0.7 | -1.8 | -2.0 | 1.6 | 0.5 | 1.9 | 0.1 | -3.8 | 11.8 | 7.6 |
| 2007 | -1.1 | 2.9 | -0.8 | 0.6 | -1.6 | -0.7 | 2.5 | 1.8 | -0.1 | 2.2 | 3.8 | -0.3 |
| Avg | 0.6 | 0.1 | 0.3 | -0.4 | 0.3 | 0.5 | 0.9 | 1.0 | -0.7 | -1.2 | 1.8 | -0.1 |
| Median | 0.5 | 0.3 | 0.1 | 0.0 | 0.2 | 0.2 | 0.6 | 1.0 | -0.6 | -0.8 | 1.2 | -1.1 |
October so far: -0.1% against an average of -1.2% and a median of -0.8% across 19 completed Octobers, 5 of them positive.
Values in %. Current and first-listed months are partial (greyed) and are left out of the Avg and Median rows.
returnsview.com
TLH seasonality — average by calendar month
iShares 10-20 Year Treasury Bond ETF has monthly history back to 2007. Its strongest month by median is November — positive in 13 of 19 years, median +1.2%, and higher in 7 of the last 9. December is the soft spot, down in 13 of 19 with a median of -1.1%. Across its full record it has closed 53% of months higher, swings ±2.9% in an average month and has fallen 41.1% peak to trough.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg | +0.6% | +0.1% | +0.3% | -0.4% | +0.3% | +0.5% | +0.9% | +1.0% | -0.7% | -1.2% | +1.8% | -0.1% |
| Win rate | 55%/20 | 55%/20 | 55%/20 | 50%/20 | 55%/20 | 55%/20 | 75%/20 | 60%/20 | 40%/20 | 26%/19 | 68%/19 | 32%/19 |
Win rate = share of positive months / sample size.
TLH risk & extremes
TLH drawdown & rolling returns
Percent below the all-time high at each month-end — how far underwater the asset was.
Related stocks
Frequently asked questions
What was iShares 10-20 Year Treasury Bond ETF's best month?+
iShares 10-20 Year Treasury Bond ETF's strongest completed month on record is November 2008, at +11.75%.
What was iShares 10-20 Year Treasury Bond ETF's worst month?+
Its weakest completed month on record is April 2022, at -7.80%.
Is iShares 10-20 Year Treasury Bond ETF up this year?+
iShares 10-20 Year Treasury Bond ETF is down 7.39% year to date, measured from its last close before 1 January.
What is iShares 10-20 Year Treasury Bond ETF's 1-year return?+
-7.78% 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 iShares 10-20 Year Treasury Bond ETF's biggest drawdown?+
The deepest peak-to-trough fall on record is 41.1%, measured on month-end closes since 2007.
Which calendar month is historically best for iShares 10-20 Year Treasury Bond ETF?+
November has the highest average return across every completed November since 2007. An average is not a forecast.
About iShares 10-20 Year Treasury Bond ETF
iShares 10-20 Year Treasury Bond ETF is a long treasuries business worth about $11 billion. Tracked here from its first session onward — every monthly, quarterly and weekly return on record since 2007, with no gaps filled in and nothing smoothed. Since 2007 it has ground out +64% overall — not every story is a rocket.
Did you know?
- Its best month on record was November 2008 at +11.75%; its worst, April 2022 at -7.8%.
- It has closed July in the green 15 out of 20 times — calendar astrology, but the fun kind.
Trivia for entertainment — the numbers come from our price data; the jokes don't.