Data as of Oct 28, 2026.

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TDTF vs TDTT: Differences, Returns & Fees

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On Jul 31, 2026 TDTF's duration was 3.9 years and TDTT's 2.2; both charge 0.18%.

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Net assets on Jul 31, 2026: $1.0bn for Northern Trust iBoxx 5-Year Target Duration TIPS ETF and $2.5bn for Northern Trust iBoxx 3-Year Target Duration TIPS ETF.

At a glance
−0.3%
TDTF total return, 1 year
+1.5%
TDTT total return, 1 year
0.18%
TDTF expense ratio
0.18%
TDTT expense ratio

Pair scorecard

Both cost 0.18% a year; their one-year returns differ by 1.8 points; TDTT is 2.5 times larger.

TDTF vs TDTT: Differences, Returns & Fees
MeasureTDTFTDTT
Return
Total return, 1 year−0.3%+1.5%
Benchmark
What it tracksiBoxx 5-Year Target Duration TIPS IndexiBoxx 3-Year Target Duration TIPS Index
Cost and size
Expense ratio0.18%0.18%
Net assets, as of Jul 31, 2026$1.0bn$2.5bn
Holdings
Holdings in common35%

Holdings in common uses holdings dated Jul 31, 2026. Method

Risk and return

Sep 30, 2011 to Oct 23, 2026 · 786 weekly returns
TDTF TDTT
Return
Total return edge TDTF (slight) +37.9% +36.7%
Annualized edge TDTF (slight) +2.2% +2.1%
Price return edge TDTT −7.7% −6.3%
Risk
Volatility edge TDTT 4.8% 3.0%
Max drawdown edge TDTT −11.5% −7.0%
Risk-adjusted
Sharpe edge TDTT 0.11 0.14
Sortino edge TDTT 0.15 0.19
Calmar edge TDTT 0.19 0.30
Reading

TDTF returned slightly more: +37.9% to +36.7%. TDTT swung less: 3.0% to 4.8%. TDTT fell less at its worst: −7.0% to −11.5%.

Full scorecard

9 measures, with how each is measured
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Risk and return: TDTF vs TDTT: Differences, Returns & Fees
MeasureTDTFTDTTEdgeHow it is measured
Return
Total return+37.9%+36.7%TDTF (slight)Price change plus distributions, reinvested.
Annualized+2.2%+2.1%TDTF (slight)Total return as a yearly rate.
Price return−7.7%−6.3%TDTTPrice change alone, distributions left out.
Risk
Volatility4.8%3.0%TDTTSpread of weekly returns, annualized. Lower is steadier.
Downside deviation3.5%2.2%TDTTLike volatility, counting only weeks below the Treasury bill rate.
Max drawdown−11.5%−7.0%TDTTDeepest fall from a high to the low after it.
Risk-adjusted
Sharpe0.110.14TDTTReturn above Treasury bills per unit of volatility.
Sortino0.150.19TDTTReturn above Treasury bills per unit of downside deviation.
Calmar0.190.30TDTTAnnualized return divided by the max drawdown.

Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 786 weekly returns. Cash rate: the 13-week Treasury bill.

What they share

35%

By the books each fund has filed, TDTF and TDTT hold 35% of their money in the same securities at the same weight. Holdings dated Jul 31, 2026.

0 half 100%

half

35% in common

Positions both hold · largest shared weight first TDTF TDTT
U.S. Treasury Inflation Linked Notes, due Jul 15, 2029 4.27% 11.90%
U.S. Treasury Inflation Linked Notes, due Jan 15, 2032 12.43% 3.67%
U.S. Treasury Inflation Linked Notes, due Oct 15, 2030 4.65% 3.63%
U.S. Treasury Inflation Linked Notes, due Oct 15, 2029 4.21% 3.60%
U.S. Treasury Inflation Linked Notes, due Apr 15, 2030 4.59% 3.58%
U.S. Treasury Inflation Linked Notes, due Jul 15, 2031 11.94% 3.52%
U.S. Treasury Inflation Linked Notes, due Jul 15, 2030 4.40% 3.44%
U.S. Treasury Inflation Linked Notes, due Jan 15, 2031 11.57% 3.41%
U.S. Treasury Inflation Linked Notes, due Jan 15, 2030 4.30% 3.36%
U.S. Treasury Inflation Linked Notes, due Apr 15, 2031 7.28% 1.98%
U.S. Treasury Inflation Linked Bonds, due Apr 15, 2032 2.29% 0.68%
Only in one fund ↓
Only in TDTF
U.S. Treasury Inflation Linked Notes, due Jan 15, 2035 5.17%
U.S. Treasury Inflation Linked Notes, due Jul 15, 2034 4.86%
U.S. Treasury Inflation Linked Notes, due Jan 15, 2034 4.61%
U.S. Treasury Inflation Linked Notes, due Jan 15, 2033 4.49%
U.S. Treasury Inflation Linked Notes, due Jul 15, 2032 4.34%
U.S. Treasury Inflation Linked Notes, due Jul 15, 2033 4.21%
Only in TDTT
U.S. Treasury Inflation Linked Notes, due Jan 15, 2029 11.18%
U.S. Treasury Inflation Linked Notes, due Apr 15, 2029 11.18%
U.S. Treasury Inflation Linked Bonds, due Apr 15, 2029 9.87%
U.S. Treasury Inflation Linked Notes, due Jan 15, 2028 3.44%
U.S. Treasury Inflation Linked Notes, due Jul 15, 2027 3.32%
U.S. Treasury Inflation Linked Notes, due Jul 15, 2028 3.19%
U.S. Treasury Inflation Linked Notes, due Oct 15, 2028 3.11%
U.S. Treasury Inflation Linked Notes, due Oct 15, 2027 3.02%
Check overlap with more funds →

Side by side

TDTF Northern Trust iBoxx 5-Year Target Duration TIPS ETF TDTT Northern Trust iBoxx 3-Year Target Duration TIPS ETF
Where it sits Bond ETF Bond ETF
What it is Tracks an index Tracks an index
Total return, 1 year −0.3% +1.5%
Expense ratio 0.18% 0.18%
Holdings 17 23
Net assets, as of Jul 31, 2026 $1.0bn $2.5bn

TDTF and TDTT on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.

Client brief · page 1 of 2 Report BR-589244A006

TDTF and TDTT are built for the same job. How do they differ in cost, holdings and results?

  1. What each follows. TDTF follows iBoxx 5-Year Target Duration TIPS Index and TDTT follows iBoxx 3-Year Target Duration TIPS Index.
  2. Holdings in common. 35% of the weight is in the same securities (holdings dated Jul 31, 2026).
  3. One-year total return (similar). Over 1 year to Oct 28, 2026 TDTF returned −0.3% and TDTT +1.5% with distributions reinvested, a gap of 1.8 points.

Data as of Oct 28, 2026.

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About each fund
TDTF

TDTF tracks an index. Over the year to Oct 28, 2026 it returned −0.3% with distributions reinvested. The prospectus expense ratio is 0.18% a year.

TDTT

TDTT tracks an index. Over the year to Oct 28, 2026 it returned +1.5% with distributions reinvested.

Questions people ask

Which returned more over the last year, TDTF or TDTT?
In the year to Oct 28, 2026, with distributions reinvested, TDTF returned −0.3% and TDTT +1.5%.
Which is cheaper, TDTF or TDTT?
Neither: TDTF and TDTT both charge 0.18% a year. Fees come from each fund's prospectus.
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ETFIQ, TDTF against TDTT, data as of Oct 28, 2026. https://etfiq.com/compare/any/tdtf-vs-tdtt

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