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Permanent Portfolio Short-Term Treasury Portfolio (PRTBX) Diversifiers

Mutual Fund · Currency in USD · Last updated Aug 1, 2026
Documentation

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 historically moved differently from PRTBX, which may reduce portfolio volatility when combined in a suitable allocation. The stock ideas table highlights individual companies with the same low-correlation characteristics. Correlation can change and does not guarantee that one asset will rise when another falls.

Best Diversifiers for PRTBX

23 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 0.05, up from -0.08 over 5 years.

How candidates are selected
SymbolNameCorrelation 1YCorrelation 3YCorrelation 5YRisk / Return RankCategoryCompare
PTSHX
PIMCO Short Term Fund0.05-0.10-0.08
99
Ultrashort BondPRTBX vs PTSHX
TMPFX
Tactical Multi-Purpose Fund0.080.020.05
100
Ultrashort BondPRTBX vs TMPFX
TSDUX
Morgan Stanley Pathway Funds Ultra-ShortTerm Fixed...0.110.12-0.04
99
Ultrashort BondPRTBX vs TSDUX
CBUDX
CrossingBridge Ultra-Short Duration Fund0.140.090.09
99
Ultrashort BondPRTBX vs CBUDX
ENIAX
SEI Institutional Investments Trust Opportunistic ...0.140.250.20
100
Ultrashort BondPRTBX vs ENIAX
See all 69 diversifiers for PRTBX

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Low-Correlation Stock Ideas

The table shows companies with at least $1B in market capitalization, historical correlation data for PRTBX, and a Risk / Return Rank of 50 or higher. Treat them as research candidates rather than evidence that they will offset a future decline. The least correlated is NVIDIA Corporation (NVDA) (Technology) with a 1Y correlation of -0.04, roughly unchanged from -0.02 over 5 years.

How candidates are selected
SymbolNameCorrelation 1YCorrelation 3YCorrelation 5YRisk / Return RankSector
NVDA
NVIDIA Corporation-0.04-0.08-0.02
56
Technology

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