BWZ Performance — SPDR(R) Bloomberg Short Term International Treasury Bond ETF
Data updated: 2026-08-28
BWZ returned −1.53% year to date and −2.45% over one year to Jun 2026. Annualised returns are +2.29% over 3 years and −1.76% over 5 years. The fund trailed its International Short-Term Core Bond category average: $100 invested three years ago grew to $107, against $120 for the category, and to $98 over one year, against $105. Volatility over the past three years was 7.45% a year. In the 12 months to Jun 2026 the fund lost a net $207.7M, and assets reached $294.39M.
BWZ Growth of $100
What $100 invested in SPDR(R) Bloomberg Short Term International Treasury Bond ETF grew to, compounded from monthly returns reported on SEC Form N-PORT, against the International Short-Term Core Bond category average over the same months.
| Period | BWZ | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $98 | $105 |
| 3 years (Jul 2023 – Jun 2026) | $107 | $120 |
| 5 years (Jul 2021 – Jun 2026) | $91 | $112 |
| Since data start (Jul 2019 – Jun 2026) | $94 | $119 |
BWZ Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | −1.53% |
| 1 year | −2.45% |
| 3 years (annualised) | +2.29% |
| 5 years (annualised) | −1.76% |
BWZ Annual Returns
Calendar-year total returns of SPDR(R) Bloomberg Short Term International Treasury Bond ETF, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | −1.53% |
| 2025 | +10.41% |
| 2024 | −5.19% |
| 2023 | +3.50% |
| 2022 | −11.07% |
| 2021 | −6.92% |
| 2020 | +6.49% |
| 2019 (Jul–Dec) | −0.36% |
BWZ Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | +1.8% | −0.2% | −3.3% | +2.4% | −0.2% | −1.9% | — | — | — | — | — | — |
| 2025 | +0.9% | +1.0% | +2.1% | +4.8% | +0.2% | +2.1% | −2.5% | +2.1% | +0.1% | −1.7% | +0.1% | +1.0% |
| 2024 | −2.1% | −1.1% | −0.2% | −2.0% | +1.3% | −1.0% | +2.5% | +3.1% | +1.8% | −4.1% | −0.7% | −2.6% |
| 2023 | +2.5% | −3.6% | +2.7% | +0.1% | −2.3% | +0.4% | +1.8% | −1.9% | −2.2% | −0.7% | +3.9% | +3.0% |
| 2022 | −1.2% | −0.2% | −2.4% | −5.3% | +1.0% | −3.7% | −0.1% | −2.8% | −4.4% | 0.0% | +4.9% | +3.0% |
| 2021 | −0.8% | −0.6% | −2.6% | +1.8% | +0.7% | −2.0% | 0.0% | −0.3% | −1.7% | −0.3% | −1.9% | +0.5% |
| 2020 | −1.0% | −1.0% | −1.9% | +0.9% | +0.8% | +0.9% | +3.7% | +0.9% | −1.3% | +0.2% | +2.4% | +1.9% |
| 2019 | — | — | — | — | — | — | −1.5% | −0.4% | −0.7% | +1.6% | −1.2% | +1.8% |
BWZ Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 7.45%
- 3-year Sharpe ratio: -0.30 (vs 4.5% risk-free rate)
- Best month: +4.79% (Apr 2025)
- Worst month: −4.12% (Oct 2024)
BWZ Fund Flows
Monthly money in and out of SPDR(R) Bloomberg Short Term International Treasury Bond ETF, from SEC Form N-PORT.
- 12-month net flow: −$207.7M
- 12-month gross sales (incl. reinvestments): $52.6M
- Sales ÷ redemptions: 0.20×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $0 | $10.7M | −$10.7M |
| May 2026 | $0 | $10.9M | −$10.9M |
| Apr 2026 | $0 | $0 | $0 |
| Mar 2026 | $0 | $27.0M | −$27.0M |
| Feb 2026 | $27.8M | $8.4M | $19.4M |
| Jan 2026 | $5.6M | $21.8M | −$16.2M |
| Dec 2025 | $0 | $40.9M | −$40.9M |
| Nov 2025 | $0 | $0 | $0 |
| Oct 2025 | $19.2M | $0 | $19.2M |
| Sep 2025 | $0 | $0 | $0 |
| Aug 2025 | $0 | $140.6M | −$140.6M |
| Jul 2025 | $0 | $0 | $0 |
BWZ Assets Under Management
Net assets of SPDR(R) Bloomberg Short Term International Treasury Bond ETF by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $294.39M |
| 2026-03-31 | $316.87M |
| 2025-12-31 | $348.09M |
| 2025-09-30 | $374.82M |
| 2025-06-30 | $520.86M |
| 2025-03-31 | $165.31M |
| 2024-12-31 | $134.30M |
| 2024-09-30 | $162.49M |
| 2024-06-30 | $149.28M |
| 2024-03-31 | $171.21M |
| 2023-12-31 | $177.92M |
| 2023-09-30 | $168.44M |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.