RZG
Invesco S&P Smallcap 600 Pure Growth ETF
SMB
Adj. R2
0.910
Rel. Sharpe
0.886
Mkt beta
1.01
AUM
US$111M
MER
0.35%
Valuation
113
ETF comparison
Verified factor-similar pair
RZG vs SPMD
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
85
Verified similar
The score combines exposure-level distance, factor-vector shape, market-beta closeness, and a small backtested relative-Sharpe term.
Quick Read
- SPMD has the higher backtested relative Sharpe (0.952 vs 0.886).
- SPMD has the lower published fee (0.03% vs 0.35%).
- RZG is cheaper on dividend valuation (113 vs 137, where 100 is each fund's historical median).
- SPMD has the stronger regression fit (adjusted R-squared 0.941 vs 0.910).
These are screening signals, not a complete review of portfolio construction, turnover, taxes, or trading quality.
SPMD
State Street SPDR Portfolio S&P 400 Mid Cap ETF
SMB
Adj. R2
0.941
Rel. Sharpe
0.952
Mkt beta
1.00
AUM
US$16.6B
MER
0.03%
Valuation
137
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
diff +0.46
HML
diff -0.03
RMW
diff +0.00
CMA
diff -0.10
UMD
diff +0.01
Why This Pair Matches
Exposure level
81
Exposure shape
99
Mkt beta diff
0.01
Rel. Sharpe diff
0.066
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.
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