Index 600 Stock Portfolio
NORTHWESTERN MUTUAL SERIES FUND INC
Index fund

Average annual returns

No trailing-return data available for this share class.

Risk statistics

81 months through March 31, 2026
Volatility (ann.)
19.00%
Sharpe
0.54
Sortino
0.98
Max drawdown
-32.66%
Best month
18.10%
Worst month
-22.37%
Beta vs VTSAX
1.21
Correlation
0.80

Derived from N-PORT monthly total returns; distinct from the prospectus returns above.

Machine-readable: JSON · Markdown. Programmatic access via the agent surface.