Verified factor-similar pair

DFAS vs FIW

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
82
Verified similar

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

Quick Read

  • DFAS has the higher backtested relative Sharpe (1.158 vs 0.951).
  • DFAS has the lower published fee (0.26% vs 0.51%).
  • FIW is cheaper on dividend valuation (99 vs 106, where 100 is each fund's historical median).
  • DFAS has the stronger regression fit (adjusted R-squared 0.980 vs 0.827).

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

DFAS

Dimensional U.S. Small Cap ETF
SMB
Adj. R2
0.980
Rel. Sharpe
1.158
Mkt beta
1.00
AUM
US$13.4B
MER
0.26%
Valuation
106

FIW

First Trust Water ETF
SMB
Adj. R2
0.827
Rel. Sharpe
0.951
Mkt beta
0.96
AUM
US$1.8B
MER
0.51%
Valuation
99

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
DFAS
+0.85
|t|
+20.1
FIW
+0.53
|t|
+8.0
diff +0.32
HML
DFAS
+0.20
|t|
+4.5
FIW
-0.07
|t|
-1.0
diff +0.26
RMW
DFAS
+0.18
|t|
+4.5
FIW
+0.22
|t|
+2.8
diff -0.04
CMA
DFAS
+0.03
|t|
+0.6
FIW
+0.10
|t|
+1.0
diff -0.06
UMD
DFAS
+0.03
|t|
+1.1
FIW
-0.00
|t|
-0.0
diff +0.03

Why This Pair Matches

Exposure level
78
Exposure shape
96
Mkt beta diff
0.04
Rel. Sharpe diff
0.207

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.

DFAS fund page FIW 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.