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Fundology

ETF · iShares

IBTL iShares USD Treasury Bond 20+yr UCITS ETF

ISIN IE00BSKRJZ44London Stock Exchange: IBTLBlackRock, Inc.

Compare with another fund

Latest close

LSE

£2.18

on

Ongoing charge
0.07% a year
Fund size
£527m

Source: TradingView, as of , at least 15 min delayed

At a glance

As of 30/09/2026, IBTL (iShares USD Treasury Bond 20+yr UCITS ETF, ISIN IE00BSKRJZ44) closed at £2.18 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 −33.4%, or −47.9% after UK CPIH inflation.

Past returns

Total return: the change in the fund’s value with any income reinvested, after its ongoing charges. Periods to .
1 year to 30/09/2026
−7.1%
−10.0% after inflation
3 years to 30/09/2026
−7.2%
−16.2% after inflation
5 years to 30/09/2026
−33.4%
−47.9% after inflation

£1,000 put in five years ago would have been worth about £666 on 30/09/2026 — about £521 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 in pounds (price only, income paid out not included): 2022 −24.3%, 2023 −7.2%, 2024 −10.5%, 2025 −6.8%; 2026 to 30/09/2026 −8.8%. Returns of iShares USD Treasury Bond 20+yr UCITS ETF in pounds (price only, income paid out not included) over the 12 months to 30/09/2026: −11.6%; to 30/09/2025: −9.5%; to 30/09/2024: +0.8%; to 30/09/2023: −21.8%; to 30/09/2022: −14.0%.

Calendar-year returns of IBTL, in pounds (price only — income paid out is not included), to 30/09/2026
YearReturnAfter inflation
to −8.8%−11.3%
−6.8%−10.0%
−10.5%−13.6%
−7.2%−10.9%
−24.3%−30.7%
Returns of IBTL over 12-month periods to 30/09/2026, in pounds (price only — income paid out is not included)
12 months toReturnAfter inflation
from −11.6%Not available
from −9.5%−13.0%
from +0.8%−1.8%
from −21.8%−26.5%
from −14.0%−20.9%

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

How far the price has swung and fallen. The same record the returns come from, in pounds.

Volatility (annualised)

14.5%over 5 years

Volatility, annualised from weekly returns, by period
1 year9.9%
3 years13.4%
5 years14.5%

Annualised from weekly returns. Higher means bumpier.

Largest fall since October 2021
−49.7%
From to
Lowest 12-month return
−25.8%
12 months to
Highest 12-month return
+5.4%
12 months to
Below its highest weekly close since October 2021
49.7%
High of , latest

In words: Volatility of iShares USD Treasury Bond 20+yr UCITS ETF in pounds, annualised from weekly returns to 30/09/2026: 9.9% over 1 year, 13.4% over 3 years, 14.5% over 5 years. Largest fall in the price of iShares USD Treasury Bond 20+yr UCITS ETF since October 2021, in pounds: −49.7% from 03/12/2021 to 30/09/2026. The lowest 12-month return of iShares USD Treasury Bond 20+yr UCITS ETF in pounds (price only, income paid out not included) since January 2021 was −25.8% (12 months to 02/12/2022); the highest was +5.4% (12 months to 04/03/2022). On 30/09/2026 the price of iShares USD Treasury Bond 20+yr UCITS ETF was 49.7% 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 only — income paid out is not included

How we work it out:Risk figuresFallsVolatilityLargest fall

Charges compared with similar funds

The ongoing charge is taken from the fund’s value every day, so the returns on this page are already after it. Platform and dealing fees are charged separately.
Ongoing charge
0.07%
a year
On £10,000
£7
a year, roughly
Over five years
£35
of £10,000, before growth
Among 275 government bond funds, share classes counted once
  • 30 charge less
  • 32 the same
  • 212 charge more

Ongoing charge of iShares USD Treasury Bond 20+yr UCITS ETF 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 is an exchange-traded fund (ETF) from iShares, launched in 2015.

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 paid out to holders as cash, usually a few times a year.

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
IBTL
ISIN
IE00BSKRJZ44
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
Distributing, paid semi-annual
Income is paid out to holders as cash, usually a few times a year.
Ongoing charge
0.07% a year · about £7 on £10,000
Fund size
£527m
Launched
Domicile
Ireland
Can be held in
ISA and SIPP
Currency hedged
No
Price currency
Pounds (GBP)
Category
Government bonds

Price chart

Closing price
£2.18−3.1% since 31/07/2026 · closing price
IBTL closing price: £2.25 on 31/07/2026, £2.18 on 30/09/2026 (−3.1%); low £2.18, high £2.28.

Since 31/07/2026, the closing price went from £2.25 on 31/07/2026 to £2.18 on 30/09/2026 (−3.1%). The lowest close shown was £2.18 on 30/09/2026 and the highest £2.28 on 06/08/2026.

Chart: closing prices we have recorded since 31/07/2026. Price only — income paid out is not included, so the line can end below the total return above.

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

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How we work it out:Prices and returnsNAV and price

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).

4 funds that track the US Treasury 20+ Year Index, listed by name. Returns are the data vendor’s, in pounds, with income reinvested unless marked “price”.
Fund1 year5 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 ETFThis fundDistributing · 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)Accumulating · 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’s other share classes and funds on the US Treasury 20+ Year Index. They can differ in how income is paid, currency hedging and charge.

Read more:Share classesAccumulating or incomeCurrency hedging

Risk and return in depth

Ratios that weigh return against its ups and downs, every rolling period rather than a few fixed ones, and each large fall with how long it took to recover.

  • Sharpe, Sortino and Calmar ratios

    Sharpe, Sortino and Calmar ratios over 1, 3 and 5 years, from weekly returns in pounds.

    With a free account

  • Rolling 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 account

  • Largest 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

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  • 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 IBTL?

The ongoing charge of IBTL 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 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 IBTL track?

IBTL tracks the US Treasury 20+ Year Index.

Is IBTL accumulating or distributing?

IBTL is distributing: income is paid out to holders as cash, usually a few times a year. It pays out semi-annual.

What is the ISIN of IBTL?

The ISIN of IBTL is IE00BSKRJZ44. An ISIN identifies one exact share class of a fund; IBTL is its ticker on the London Stock Exchange.

What were IBTL’s returns in each of the last five years?

Calendar-year returns of IBTL in pounds (price only, income paid out not included): 2022 −24.3%, 2023 −7.2%, 2024 −10.5%, 2025 −6.8%; 2026 to 30/09/2026 −8.8%. Past performance is not a guide to future returns.

How has IBTL done after inflation?

Over the five years to 30/09/2026 IBTL’s total return was −33.4%, or −47.9% after UK CPIH inflation. Past performance is not a guide to future returns.

Similar funds

More government bond funds, largest first. Size is a fact, not a verdict.
All government bond fundsEvery fund we cover

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
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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