iShares International Treasury Bond ETF (IGOV)
Bonds · Global ex-US · data since 2009-01-30 · last close 2026-10-02
iShares International Treasury Bond ETF (IGOV) monthly returns (%)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1.8 | 1.4 | -4.5 | 2.0 | 0.2 | -2.3 | -0.1 | 0.5 | -3.5 | 0.1 | · | · |
| 2025 | 0.4 | 0.7 | 1.4 | 6.3 | -0.4 | 3.2 | -3.9 | 2.3 | 0.5 | -1.0 | -0.2 | 0.3 |
| 2024 | -3.3 | -1.1 | 0.3 | -3.4 | 1.6 | -0.8 | 3.4 | 2.9 | 1.9 | -4.0 | 0.0 | -3.8 |
| 2023 | 3.7 | -5.4 | 4.7 | 0.5 | -3.0 | 1.0 | 0.1 | -2.0 | -4.4 | -1.1 | 6.4 | 5.7 |
| 2022 | -2.6 | -1.4 | -3.8 | -7.6 | -0.1 | -4.7 | 2.6 | -6.6 | -6.6 | 0.9 | 7.9 | -1.7 |
| 2021 | -1.6 | -2.7 | -2.5 | 1.7 | 1.1 | -2.1 | 1.8 | -0.9 | -2.6 | -0.5 | -0.5 | -0.8 |
| 2020 | 1.0 | 0.0 | -2.7 | 1.0 | 0.9 | 1.3 | 4.8 | 0.1 | -0.9 | 0.2 | 2.5 | 2.5 |
| 2019 | 1.4 | -1.1 | 0.9 | -0.8 | 1.4 | 3.0 | -1.3 | 2.0 | -1.4 | 0.8 | -1.8 | 0.7 |
| 2018 | 2.6 | -0.7 | 1.5 | -2.5 | -2.0 | -0.3 | -0.5 | -0.8 | -0.8 | -1.5 | 0.5 | 2.0 |
| 2017 | 1.4 | -0.0 | 0.5 | 1.8 | 2.3 | 0.6 | 3.2 | 1.1 | -1.3 | -1.0 | 1.6 | 0.8 |
| 2016 | 1.2 | 3.0 | 4.0 | 1.7 | -2.3 | 3.2 | 1.3 | -1.2 | 0.8 | -4.2 | -5.2 | -0.8 |
| 2015 | -2.8 | -0.8 | -1.8 | 2.3 | -3.5 | -0.5 | 0.0 | 0.6 | 0.8 | -0.4 | -2.5 | 1.5 |
| 2014 | 0.6 | 2.2 | 0.2 | 1.4 | -0.0 | 1.2 | -1.4 | 0.2 | -4.3 | -0.7 | -0.7 | -0.9 |
| 2013 | 0.2 | -2.7 | -0.5 | 2.3 | -3.1 | -2.2 | 2.5 | -0.7 | 2.9 | 1.4 | -1.1 | -0.1 |
| 2012 | -1.3 | 2.7 | -1.1 | 1.3 | -3.4 | 1.0 | 1.1 | 2.2 | 1.7 | 1.4 | -0.9 | 0.6 |
| 2011 | 1.0 | 0.8 | 0.8 | 4.2 | -1.7 | 0.3 | 1.8 | 2.0 | -4.5 | 0.6 | -4.8 | 1.6 |
| 2010 | -1.0 | -0.0 | -1.2 | -1.4 | -3.3 | 0.8 | 5.5 | 0.7 | 4.8 | 1.4 | -6.7 | 2.9 |
| 2009 | 0.0 | -2.8 | 3.3 | 1.4 | 4.9 | 0.1 | 3.0 | 1.0 | 2.5 | -0.3 | 2.6 | -5.3 |
| Avg | 0.1 | -0.4 | -0.0 | 0.7 | -0.6 | 0.2 | 1.3 | 0.2 | -0.8 | -0.5 | -0.2 | 0.3 |
| Median | 0.5 | -0.4 | 0.2 | 1.4 | -0.2 | 0.4 | 1.5 | 0.5 | -0.9 | -0.4 | -0.5 | 0.6 |
October so far: +0.1% against an average of -0.5% and a median of -0.4% across 17 completed Octobers, 7 of them positive.
Values in %. Current and first-listed months are partial (greyed) and are left out of the Avg and Median rows.
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IGOV seasonality — average by calendar month
iShares International Treasury Bond ETF has monthly history back to 2009. Its strongest month by median is July — positive in 13 of 18 years, median +1.5%, and higher in 5 of the last 9. September is the soft spot, down in 10 of 18 with a median of -0.9%. Across its full record it has closed 55% of months higher, swings ±2.5% in an average month and has fallen 35.9% peak to trough.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg | +0.1% | -0.4% | -0.0% | +0.7% | -0.6% | +0.2% | +1.3% | +0.2% | -0.8% | -0.5% | -0.2% | +0.3% |
| Win rate | 61%/18 | 39%/18 | 56%/18 | 72%/18 | 39%/18 | 61%/18 | 72%/18 | 67%/18 | 44%/18 | 41%/17 | 41%/17 | 59%/17 |
Win rate = share of positive months / sample size.
IGOV risk & extremes
IGOV 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 iShares International Treasury Bond ETF's best month?+
iShares International Treasury Bond ETF's strongest completed month on record is November 2022, at +7.93%.
What was iShares International Treasury Bond ETF's worst month?+
Its weakest completed month on record is April 2022, at -7.60%.
Is iShares International Treasury Bond ETF up this year?+
iShares International Treasury Bond ETF is down 4.44% year to date, measured from its last close before 1 January.
What is iShares International Treasury Bond ETF's 1-year return?+
-5.25% 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 International Treasury Bond ETF's biggest drawdown?+
The deepest peak-to-trough fall on record is 35.9%, measured on month-end closes since 2009.
Which calendar month is historically best for iShares International Treasury Bond ETF?+
July has the highest average return across every completed July since 2009. An average is not a forecast.
About iShares International Treasury Bond ETF
iShares International Treasury Bond ETF is a global ex-us business worth about $2 billion. Tracked here from its first session onward — every monthly, quarterly and weekly return on record since 2009, with no gaps filled in and nothing smoothed. Since 2009 it is down 1% overall — surviving is its own genre of awesome.
Did you know?
- Its best month on record was November 2022 at +7.93%; its worst, April 2022 at -7.6%.
- It has closed April in the green 13 out of 18 times — past performance, future shrug.
Trivia for entertainment — the numbers come from our price data; the jokes don't.