Verified factor-similar pair

FFSM 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
84
Verified similar

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

Quick Read

  • FFSM has the higher backtested relative Sharpe (1.190 vs 0.952).
  • SPMD has the lower published fee (0.03% vs 0.43%).
  • FFSM is cheaper on dividend valuation (133 vs 137, where 100 is each fund's historical median).
  • SPMD has the stronger regression fit (adjusted R-squared 0.941 vs 0.916).

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

FFSM

Fidelity Fundamental Small-Mid Cap ETF
SMB
Adj. R2
0.916
Rel. Sharpe
1.190
Mkt beta
1.05
AUM
US$1.2B
MER
0.43%
Valuation
133

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
FFSM
+0.64
|t|
+7.7
SPMD
+0.52
|t|
+14.2
diff +0.12
HML
FFSM
+0.21
|t|
+2.6
SPMD
+0.09
|t|
+2.6
diff +0.11
RMW
FFSM
+0.12
|t|
+1.6
SPMD
+0.13
|t|
+2.9
diff -0.00
CMA
FFSM
+0.02
|t|
+0.2
SPMD
+0.02
|t|
+0.3
diff +0.00
UMD
FFSM
+0.10
|t|
+1.7
SPMD
-0.01
|t|
-0.4
diff +0.11

Why This Pair Matches

Exposure level
81
Exposure shape
99
Mkt beta diff
0.05
Rel. Sharpe diff
0.238

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.

FFSM fund page SPMD 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.