State Street SPDR SP Biotech ETF Annual Total Returns |
12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| State Street SPDR SP Biotech ETF | State Street SPDR SP Biotech ETF | ||||||||||
| Prospectus [Line Items] | ||||||||||
| Annual Return [Percent] | 35.84% | 1.10% | 7.50% | (25.76%) | (20.53%) | 48.19% | 32.20% | (14.91%) | 43.67% | (15.43%) |