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iShares 20+ Year Treasury Bond ETF

Tracks the ICE U.S. Treasury 20+ Year Bond Index, providing exposure to long-duration US government bonds. High duration (≈17 years) makes it extremely sensitive to interest rate changes — strong gains when rates fall, significant losses when they rise. Used tactically and as portfolio hedge.

TER
0.15%
AUM
$56B
CAGR
3.5%
Volatility
13.4%
Max Drawdown
-47.7%
Data Range
2002-08 → 2026-04

Performance Analysis

Maximum Drawdown History

How far the ETF has fallen from its all-time high at each point. Deeper = more painful.

Current DD-39.5%
Worst DD-47.7%
Worst date2023-10

Rolling Returns

Annualized returns over rolling windows. Shows the range of outcomes depending on when you invested.

Avg return3.8%
Best15.3%
Worst-17.3%
% positive80%
249 periods

Key Facts

ISIN
US4642874659
Issuer
BlackRock
Benchmark
ICE U.S. Treasury 20+ Year Bond Index
Total Expense Ratio (TER)
0.15%
Assets Under Management
$56B approx.
Inception Date
2002-07-22
Domicile
United States
Legal Structure
Open-Ended Fund
Dividend Policy
Distributing (pays dividends)
Replication Method
Physical (Optimized Sampling)
UCITS Status
✗ Not UCITS
Fund Currency
USD
Primary Exchange
NASDAQ
Number of Holdings
~40
Backtest this ETFOfficial Fund Page

Who Is This ETF For?

Portfolio stabilizer and income generator. Reduces overall portfolio volatility when paired with equities.

Key Risks to Consider

Interest rate risk: bond prices fall when rates rise.

Non-UCITS: may have unfavorable tax treatment for non-US investors (US estate tax, withholding tax).

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Data & Methodology

Metadata sourced from official issuer documentation. Price data from Yahoo Finance (monthly adjusted close, includes reinvested dividends and splits). AUM figures are approximate and updated quarterly.

Data source: Yahoo Finance (adjusted close), BlackRock (metadata)Last verified: 2026-04-16