Verified factor-similar pair

PRFZ vs XTN

These two ETFs meet the same FF6 US comparison criteria: US-listed equity ETFs, the same USD model basis, at least one material non-market factor, and 100% overlap in statistically significant material factor exposure.

SMB
Similarity score
86
Verified similar

The score combines exposure-level distance, factor-vector shape, market-beta closeness, and a small backtested relative-Sharpe term.

Quick Read

  • PRFZ has the higher backtested relative Sharpe (0.963 vs 0.668).
  • PRFZ has the lower published fee (0.34% vs 0.35%).
  • XTN is cheaper on dividend valuation (118 vs 153, where 100 is each fund's historical median).
  • PRFZ has the stronger regression fit (adjusted R-squared 0.974 vs 0.788).

These are screening signals, not a complete review of portfolio construction, turnover, taxes, or trading quality.

PRFZ

Invesco RAFI US 1500 Small-Mid ETF
SMB
Adj. R2
0.974
Rel. Sharpe
0.963
Mkt beta
1.02
AUM
US$2.7B
MER
0.34%
Valuation
153

XTN

State Street SPDR S&P Transportation ETF
SMB
Adj. R2
0.788
Rel. Sharpe
0.668
Mkt beta
1.20
AUM
US$244M
MER
0.35%
Valuation
118

Factor Exposure Match

Blue bars compare raw factor beta magnitude. Green bars compare absolute t-stat strength. Dim bars indicate the t-stat is below 1.96.

SMB
PRFZ
+0.80
|t|
+27.9
XTN
+0.57
|t|
+5.5
diff +0.23
HML
PRFZ
+0.18
|t|
+6.3
XTN
+0.16
|t|
+1.6
diff +0.02
RMW
PRFZ
+0.00
|t|
+0.0
XTN
+0.11
|t|
+0.9
diff -0.11
CMA
PRFZ
+0.06
|t|
+1.3
XTN
+0.11
|t|
+0.7
diff -0.05
UMD
PRFZ
-0.08
|t|
-5.0
XTN
-0.11
|t|
-1.6
diff +0.03

Why This Pair Matches

Exposure level
87
Exposure shape
99
Mkt beta diff
0.17
Rel. Sharpe diff
0.295

This comparison focuses on measured factor exposure. It does not compare holdings methodology, turnover, tax handling, or issuer process. Backtested relative Sharpe is a secondary signal rather than a stand-alone forecast. See methodology.

PRFZ fund page XTN fund page US ETF Leaders US Universe
Important context

VerifiedBeta publishes educational ETF research, not personalized investment advice, portfolio management, or security recommendations. Funds that screen well here can still be unsuitable for your objectives, taxes, liquidity needs, or constraints. Review fund documents, methodology assumptions, and your own circumstances before acting. See the full disclaimer.