Verified factor-similar pair

PRFZ vs RZG

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

SMB
Similarity score
81
Verified similar

Score blends exposure-level distance, factor-vector shape, market-beta closeness, and a small backtested relative-Sharpe term.

PRFZ

Invesco RAFI US 1500 Small-Mid ETF
SMB
Adj. R2
0.976
Rel. Sharpe
0.916
Mkt beta
1.02
AUM
US$2.7B
MER
0.34%
Valuation
141

RZG

Invesco S&P Smallcap 600 Pure Growth ETF
SMB
Adj. R2
0.921
Rel. Sharpe
0.797
Mkt beta
1.02
AUM
US$111M
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
+0.79
|t|
+28.1
RZG
+0.95
|t|
+18.6
diff -0.16
HML
PRFZ
+0.17
|t|
+6.5
RZG
+0.06
|t|
+1.3
diff +0.11
RMW
PRFZ
+0.03
|t|
+0.8
RZG
+0.17
|t|
+2.7
diff -0.15
CMA
PRFZ
+0.04
|t|
+0.9
RZG
-0.12
|t|
-1.7
diff +0.16
UMD
PRFZ
-0.09
|t|
-5.5
RZG
-0.01
|t|
-0.4
diff -0.08

Why This Pair Matches

Exposure level
75
Exposure shape
98
Mkt beta diff
0.01
Rel. Sharpe diff
0.119

This comparison focuses on measured factor exposure, not a qualitative review of each fund's portfolio-construction process. Backtested relative Sharpe is included as a secondary signal, while we continue refining a comparison metric that separates factor payoff from alpha. See methodology.

PRFZ fund page RZG 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.