Verified factor-similar pair

BBSC vs IWM

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
91
Near substitute

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

Quick Read

  • BBSC has the higher backtested relative Sharpe (0.891 vs 0.798).
  • BBSC has the lower published fee (0.09% vs 0.19%).
  • BBSC is cheaper on dividend valuation (139 vs 142, where 100 is each fund's historical median).

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

BBSC

JPMorgan BetaBuilders U.S. Small Cap Equity Fund
SMB
Adj. R2
0.986
Rel. Sharpe
0.891
Mkt beta
1.06
AUM
US$700M
MER
0.09%
Valuation
139

IWM

iShares Russell 2000 ETF
SMB
Adj. R2
0.986
Rel. Sharpe
0.798
Mkt beta
1.02
AUM
US$73.2B
MER
0.19%
Valuation
142

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
BBSC
+0.95
|t|
+27.7
IWM
+0.81
|t|
+50.7
diff +0.14
HML
BBSC
+0.05
|t|
+1.4
IWM
+0.10
|t|
+6.2
diff -0.06
RMW
BBSC
-0.13
|t|
-3.8
IWM
-0.08
|t|
-4.5
diff -0.05
CMA
BBSC
+0.06
|t|
+1.4
IWM
-0.00
|t|
-0.1
diff +0.06
UMD
BBSC
+0.04
|t|
+1.5
IWM
+0.04
|t|
+4.1
diff +0.00

Why This Pair Matches

Exposure level
90
Exposure shape
100
Mkt beta diff
0.05
Rel. Sharpe diff
0.093

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.

BBSC fund page IWM 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.