ETF · iShares
DTLA iShares USD Treasury Bond 20+yr UCITS ETF USD (Accumulating)
ISIN IE00BFM6TC58London Stock Exchange: DTLABlackRock, Inc.
- Government bonds
- ETF
- ISA
- SIPP
- Accumulating
Latest close
LSE$4.23
on
- Ongoing charge
- 0.07% a year
- Fund size
- £1.7bn
Source: TradingView, as of , at least 15 min delayed
At a glance
As of 30/09/2026, DTLA (iShares USD Treasury Bond 20+yr UCITS ETF USD (Accumulating), ISIN IE00BFM6TC58) closed at $4.23 on the London Stock Exchange. Its ongoing charge is 0.07% a year (about £7 on £10,000). Over the five years to 30/09/2026 its total return was −34.0%, or −48.4% after UK CPIH inflation.
Past returns
- 1 year to 30/09/2026
- −7.4%
- −10.3% after inflation (UK CPIH)
- 3 years to 30/09/2026
- −7.1%
- −16.1% after inflation (UK CPIH)
- 5 years to 30/09/2026
- −34.0%
- −48.4% after inflation (UK CPIH)
£1,000 put in five years ago would have been worth about £660 on 30/09/2026 — about £516 in today’s spending power, once price rises are taken out. Past performance is not a guide to future returns.
Returns: TradingView (delayed data). Inflation: ONS CPIH, latest month published.
How we work it out:ReturnsReturns after inflationTotal returnReal returnCPIH
Calendar-year and 12-month returns
Calendar-year returns of iShares USD Treasury Bond 20+yr UCITS ETF USD (Accumulating) in pounds (price, with income reinvested in the fund): 2022 −21.9%, 2023 −3.8%, 2024 −6.6%, 2025 −2.6%; 2026 to 30/09/2026 −6.9%. Returns of iShares USD Treasury Bond 20+yr UCITS ETF USD (Accumulating) in pounds (price, with income reinvested in the fund) over the 12 months to 30/09/2026: −8.0%; to 30/09/2025: −5.2%; to 30/09/2024: +5.5%; to 30/09/2023: −20.1%; to 30/09/2022: −11.2%.
| Year | Return | After inflation | Return shown as a bar |
|---|---|---|---|
| to | −6.9% | −9.5% | |
| −2.6% | −6.0% | ||
| −6.6% | −9.8% | ||
| −3.8% | −7.7% | ||
| −21.9% | −28.5% |
| 12 months to | Return | After inflation |
|---|---|---|
| from | −8.0% | Not available |
| from | −5.2% | −8.9% |
| from | +5.5% | +2.8% |
| from | −20.1% | −24.9% |
| from | −11.2% | −18.4% |
Source: Fundology, from recorded closes and the data vendor’s weekly price history, as of , inflation: ONS CPIH
How we work it out:Calendar-year returnsWhat a calendar-year return isAccumulating and distributing
Risk: volatility and largest fall
Volatility (annualised)
14.3%over 5 years
| 1 year | 10.0% |
|---|---|
| 3 years | 13.4% |
| 5 years | 14.3% |
Annualised from weekly returns. Higher means bumpier.
- Largest fall since October 2021
- −39.4%
- From to
- Lowest 12-month return
- −24.0%
- 12 months to
- Highest 12-month return
- +9.7%
- 12 months to
- Below its highest weekly close since October 2021
- 39.4%
- High of , latest
In words: Volatility of iShares USD Treasury Bond 20+yr UCITS ETF USD (Accumulating) in pounds, annualised from weekly returns to 30/09/2026: 10.0% over 1 year, 13.4% over 3 years, 14.3% over 5 years. Largest fall in the price of iShares USD Treasury Bond 20+yr UCITS ETF USD (Accumulating) since October 2021, in pounds: −39.4% from 03/12/2021 to 30/09/2026. The lowest 12-month return of iShares USD Treasury Bond 20+yr UCITS ETF USD (Accumulating) in pounds (price, with income reinvested in the fund) since January 2021 was −24.0% (12 months to 02/12/2022); the highest was +9.7% (12 months to 18/10/2024). On 30/09/2026 the price of iShares USD Treasury Bond 20+yr UCITS ETF USD (Accumulating) was 39.4% below its highest weekly close since October 2021 (03/12/2021), in pounds.
Source: Fundology, from recorded closes and the data vendor’s weekly price history, as of , price, with income reinvested in the fund
How we work it out:Risk figuresFallsVolatilityLargest fall
Charges compared with similar funds
- Ongoing charge
- 0.07%
- a year
- On £10,000
- £7
- a year, roughly
- Over five years
- £35
- of £10,000, before growth
- 30 charge less
- 32 the same
- 212 charge more
Ongoing charge of iShares USD Treasury Bond 20+yr UCITS ETF USD (Accumulating) 0.07% a year, as of 01/10/2026: 212 of the 274 other government bond funds charge more, 32 the same and 30 less (share classes counted once).
Source: Fund ongoing charges via TradingView, as of
A lower charge is not a promise of a higher return: what the fund holds matters more. Charges are the fund’s own published ongoing charges figure.
Read more:Ongoing charge (OCF)OCF and TERFee dragHow charges add up
In plain English
iShares USD Treasury Bond 20+yr UCITS ETF USD (Accumulating) is an exchange-traded fund (ETF) from iShares, launched in 2018.
It tracks the US Treasury 20+ Year Index.
You buy and sell it through a share-dealing account or platform during stock-market hours, like a share.
Its ongoing charge is 0.07% a year — about £7 a year on every £10,000 invested, taken from the fund's value rather than billed to you.
Income from its investments is reinvested inside the fund, so it shows up as a rising price rather than cash paid to you.
Government bonds: Loans to governments, such as UK gilts and US Treasuries. They pay interest; their prices move when interest rates change.
Terms:ETFIndex fundUCITSAccumulating or incomeShare classISIN
Key facts
- Ticker
- DTLA
- ISIN
- IE00BFM6TC58
- Provider
- iShares
- Tracks
- US Treasury 20+ Year Index
- Structure
- ETF
- An exchange-traded fund: bought and sold on the stock exchange through the day, like a share.
- Income
- Accumulating
- Income is reinvested inside the fund, so it shows up as a rising price rather than cash paid to you.
- Ongoing charge
- 0.07% a year · about £7 on £10,000
- Fund size
- £1.7bn
- Launched
- Domicile
- Ireland
- Can be held in
- ISA and SIPP
- Currency hedged
- No
- Price currency
- USD
- Category
- Government bonds
Price chart
Since 31/07/2026, the closing price went from $4.43 on 31/07/2026 to $4.23 on 30/09/2026 (−4.5%). The lowest close shown was $4.23 on 30/09/2026 and the highest $4.51 on 28/08/2026.
Chart: closing prices we have recorded since 31/07/2026.
Source: TradingView, as of , at least 15 min delayed
Five years of prices, and after inflation
10 weekly closes, from 31/07/2026 to 30/09/2026. The same history in September 2026 pounds, adjusted with ONS CPIH inflation.
Create a free account to see the 5-year price chart and the after-inflation chart
Sign-up takes an email address. There is no card to enter and nothing to pay.
How we work it out:Prices and returnsNAV and price
What it holds
Top 7 holdings
| Rank# | Holding | Weight as a percentage of the fund |
|---|---|---|
| 1 | Treasury Bond | 90.14% |
| 2 | Treasury Bond (Old) | 4.23% |
| 3 | Treasury Bond (2OLD) | 3.99% |
| 4 | Treasury Bond (Otr) | 1.55% |
| 5 | Blk Ics USD Leaf Agency Dist | 0.04% |
| 6 | GBP Cash | 0.03% |
| 7 | EUR Cash | 0.01% |
Source: iShares, holdings as published, as of , company pages by TradingView
Where it invests
The portfolio by sector, country and type of asset, as a share of the whole fund. Bonds, cash and positions the source does not classify are shown as they come, not guessed.
By sector
- Treasury99.9%
- Cash and derivatives0.1%
By type of asset
- Bonds99.9%
- Cash and money market0.1%
More ways to cut the portfolio
The fund's portfolio is also split by currency, maturity and credit quality.
Create a free account to see the currency, maturity and credit-quality breakdowns
Sign-up takes an email address. There is no card to enter and nothing to pay.
Holdings:Compare what it holds with another fundHoldings overlapHow overlap is measured
Funds tracking the same index
4 funds track US Treasury 20+ Year Index, this one included and share classes counted once; their ongoing charges range from 0.07% to 0.10% a year (30/09/2026).
| Fund | 1 year | 5 years |
|---|---|---|
| iShares USD Treasury Bond 20+yr UCITS ETF Hedged GBPDistributing · Currency hedged · 0.10% a year | −8.5% | −37.4% |
| iShares USD Treasury Bond 20+yr UCITS ETFDistributing · 0.07% a year | −7.1% | −33.4% |
| iShares USD Treasury Bond 20+yr UCITS ETF 1AccumHedged GBPAccumulating · Currency hedged · 0.10% a year | −8.5% | Not reported |
| iShares USD Treasury Bond 20+yr UCITS ETF USD (Accumulating)This fundAccumulating · 0.07% a year | −7.4% | −34.0% |
Source: TradingView reported returns and fund ongoing charges, as of
Read more:Index fundsTracking differenceHow funds are compared
Other versions of this fund
- iShares USD Treasury Bond 20+yr UCITS ETF Hedged GBPDistributing · Currency hedged · 0.10% a year · IE00BK5MT033
- iShares USD Treasury Bond 20+yr UCITS ETFDistributing · 0.07% a year · IE00BSKRJZ44
- iShares USD Treasury Bond 20+yr UCITS ETF 1AccumHedged GBPAccumulating · Currency hedged · 0.10% a year · IE0006NB6WZ4
Read more:Share classesAccumulating or incomeCurrency hedging
Risk and return in depth
Sharpe, Sortino and Calmar ratios
Sharpe, Sortino and Calmar ratios over 1, 3 and 5 years, from weekly returns in pounds.
With a free accountRolling returns
The full range of 248 rolling 12-month returns since January 2021, and of 144 rolling three-year returns, in pounds, with how often they were above zero.
With a free accountLargest falls and recoveries
The 2 largest falls since October 2021, in pounds, with how many weeks each took to reach its low and to recover.
With a free account
Create a free account to see the risk ratios, every rolling return and each large fall and its recovery
Sign-up takes an email address. There is no card to enter and nothing to pay.
Moves compared with a similar fund
Correlation and beta of weekly returns in pounds against iShares Core UK Gilts UCITS ETF, over the three years to 30/09/2026 (146 weeks).
Pro
Pro — currently by invitation
Pro includes moves against a comparable fund
Pro is open by invitation while it is being built. There is nothing to buy. To ask about access, email [email protected].
Questions people ask
What is the ongoing charge of DTLA?
The ongoing charge of DTLA is 0.07% a year — about £7 a year on every £10,000 invested, taken from the fund’s value rather than billed to you. Platform and dealing fees are charged separately. Ongoing charge of iShares USD Treasury Bond 20+yr UCITS ETF USD (Accumulating) 0.07% a year, as of 01/10/2026: 212 of the 274 other government bond funds charge more, 32 the same and 30 less (share classes counted once).
What does DTLA track?
DTLA tracks the US Treasury 20+ Year Index.
Is DTLA accumulating or distributing?
DTLA is accumulating: income is reinvested inside the fund, so it shows up as a rising price rather than cash paid to you.
What is the ISIN of DTLA?
The ISIN of DTLA is IE00BFM6TC58. An ISIN identifies one exact share class of a fund; DTLA is its ticker on the London Stock Exchange.
What were DTLA’s returns in each of the last five years?
Calendar-year returns of DTLA in pounds (price, with income reinvested in the fund): 2022 −21.9%, 2023 −3.8%, 2024 −6.6%, 2025 −2.6%; 2026 to 30/09/2026 −6.9%. Past performance is not a guide to future returns.
How has DTLA done after inflation?
Over the five years to 30/09/2026 DTLA’s total return was −34.0%, or −48.4% after UK CPIH inflation. Past performance is not a guide to future returns.
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Sources and dates
- Prices
- London Stock Exchange closes via TradingView, at least 15 minutes delayed, latest
- Returns
- TradingView reported returns (net asset value with income reinvested where available)
- Calendar years, risk
- Fundology, from recorded closes (weekly history from the data vendor where our record is short)
- Inflation
- ONS CPIH, latest month used August 2026
- Charges
- The fund’s ongoing charges figure, via TradingView
- Holdings
- iShares, as published,
- Identity
- FCA Financial Instruments Reference Data System (FIRDS) and the issuer
- Fund size
- TradingView, converted to pounds at the latest ECB reference rate
Methodology:Data sourcesReturnsCategoriesAll methods
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