FFSM
Fidelity Fundamental Small-Mid Cap ETF
SMB
Adj. R2
0.925
Rel. Sharpe
1.021
Mkt beta
1.06
AUM
US$1.2B
MER
0.43%
Valuation
121
ETF comparison
Verified factor-similar pair
FFSM vs IJK
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
83
Verified similar
Score blends exposure-level distance, factor-vector shape, market-beta closeness, and a small backtested relative-Sharpe term.
IJK
iShares S&P Mid-Cap 400 Growth ETF
SMB
Adj. R2
0.906
Rel. Sharpe
0.877
Mkt beta
1.04
AUM
US$10.1B
MER
0.17%
Valuation
135
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 +0.17
HML
diff +0.27
RMW
diff +0.08
CMA
diff +0.04
UMD
diff -0.01
Why This Pair Matches
Exposure level
80
Exposure shape
94
Mkt beta diff
0.02
Rel. Sharpe diff
0.144
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.
Monthly updates
Get the next US ETF leaders update
Get one monthly email when the US leaders table refreshes, plus methodology and comparison-page updates.
Monthly leaders refresh
Download-access updates
Low-volume research notes
One monthly email when the data drop lands. This browser will remember you after signup.