VBK
Vanguard Small-Cap Growth ETF
SMB
Adj. R2
0.965
Rel. Sharpe
0.736
Mkt beta
1.07
AUM
US$21.1B
MER
0.05%
Valuation
126
ETF comparison
Verified factor-similar pair
VBK vs VXF
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
84
Verified similar
Score blends exposure-level distance, factor-vector shape, market-beta closeness, and a small backtested relative-Sharpe term.
VXF
Vanguard Extended Market ETF
SMB
Adj. R2
0.973
Rel. Sharpe
0.923
Mkt beta
1.04
AUM
US$26.8B
MER
0.05%
Valuation
120
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 +0.09
HML
diff -0.21
RMW
diff -0.14
CMA
diff +0.06
UMD
diff +0.02
Why This Pair Matches
Exposure level
81
Exposure shape
97
Mkt beta diff
0.03
Rel. Sharpe diff
0.187
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.
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