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Permanent Portfolio Short-Term Treasury Portfolio (PRTBX) Diversifiers

Mutual Fund · Currency in USD · Last updated Jun 23, 2026

The investment seeks to earn high current income, consistent with safety and liquidity of principal. The fund invests at least 80% of its assets in direct debt obligations of the United States Treasury, including U.S. Treasury bills, notes and bonds, and other securities issued by the U.S. Treasury. The adviser expects to maintain a dollar-weighted average portfolio maturity and duration of zero to three years. It is not a money market fund and does not seek to maintain a stable price per share.

Looking to diversify beyond PRTBX? The mutual funds below have the lowest correlation with PRTBX — they tend to move on their own, which can help reduce risk when the rest of your portfolio drops. The stock ideas table highlights individual companies that behave independently from PRTBX.

Best Diversifiers for PRTBX

26 mutual funds have low correlation with PRTBX (below 0.3), 0 of which are negatively correlated. The least correlated is PIMCO Short Term Fund (PTSHX) (Ultrashort Bond) with a 1Y correlation of 0.02, up from -0.08 over 5 years.

SymbolNameCorrelation 1YCorrelation 3YCorrelation 5YRisk / Return RankCategoryCompare
PTSHX
PIMCO Short Term Fund0.02-0.11-0.08
99
Ultrashort BondPRTBX vs PTSHX
TMPFX
Tactical Multi-Purpose Fund0.070.000.05
100
Ultrashort BondPRTBX vs TMPFX
TSDUX
Morgan Stanley Pathway Funds Ultra-ShortTerm Fixed...0.100.09-0.04
98
Ultrashort BondPRTBX vs TSDUX
CBUDX
CrossingBridge Ultra-Short Duration Fund0.110.09—
99
Ultrashort BondPRTBX vs CBUDX
ENIAX
SEI Institutional Investments Trust Opportunistic ...0.120.260.20
99
Ultrashort BondPRTBX vs ENIAX
See all 68 diversifiers for PRTBX

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Low-Correlation Stock Ideas

If you're looking for individual stocks that move independently from PRTBX, these are worth exploring. The table shows U.S. companies ($1B+ market cap) with low correlation to PRTBX and solid risk/return profiles. The least correlated is NVIDIA Corporation (NVDA) (Technology) with a 1Y correlation of -0.03, roughly unchanged from -0.02 over 5 years.

SymbolNameCorrelation 1YCorrelation 3YCorrelation 5YRisk / Return RankSector
NVDA
NVIDIA Corporation-0.03-0.06-0.02
76
Technology

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