Oil flowing through the Strait of Hormuz accounts for roughly 20% of the global oil supply, and that traffic has fallen to a near standstill. Goldman Sachs economists project Brent crude averaging $105 a barrel in March and $115 in April under a base case where Hormuz shipments remain disrupted for six weeks, with Brent peaking at $140 a barrel in an adverse scenario. Groceries, airline tickets, and manufactured goods are just beginning to reflect that shock. Investors with no inflation protection are about to feel it.
What TIP holds and why it exists
iShares TIPS Bond ETF (NYSEARCA:TIP | TIP Price Prediction) holds U.S. Treasury Inflation-Protected Securities, government bonds whose principal is indexed to the Consumer Price Index. When CPI rises, the bond’s face value adjusts upward. Since the coupon is a fixed percentage of that adjusted principal, both income and redemption value grow with inflation. The U.S. Treasury issues these securities to give investors a guaranteed real return above inflation, rather than a nominal return that inflation quietly erodes.
TIP tracks the Bloomberg U.S. TIPS Index since its inception date of December 4, 2003. The fund carries a net expense ratio of 0.18%, making it one of the cheapest ways to own this asset class. It is very popular with institutional investors and hedge funds.
The return engine has real yields
TIP’s return comes from three sources: the coupon on each bond, the CPI-driven principal adjustment, and price changes driven by shifts in real interest rates. The third is where most investors get surprised.
TIPS are priced on real yields, which are nominal Treasury yields minus inflation expectations. When real yields fall, TIPS prices rise. When real yields rise sharply, as they did during the 2022 Federal Reserve hiking cycle, TIPS prices fall even if headline inflation is soaring. That is precisely what happened: TIPS lost money despite inflation running at 9% because the Fed’s aggressive rate hikes pushed real yields up faster than CPI adjustments could compensate. Thus, it has meaningful sensitivity to real rate movements.
The current environment differs from 2022. The Fed faces a stagflationary dilemma: rising oil-driven inflation on one side, slowing growth on the other. Markets are no longer pricing in Fed rate cuts in 2026, which limits upward pressure on real yields from tightening.
Can TIP really be inflation-proof?
Over the past year, TIP returned 3.2% on a price basis. And over five years, that figure is 6.49%, a period that included a historic inflation spike and an equally historic rate-hiking cycle. Over ten years, TIP’s price has risen 28.2%. Those numbers look modest compared to equities, and they are meant to. TIP’s role is to preserve purchasing power, not beat the stock market.
Goldman Sachs’ rule of thumb is that a 10% increase in oil prices raises headline PCE inflation by 0.2%. With Brent crude elevated and supply disruptions potentially lasting weeks, the cumulative CPI impact will flow directly into TIP’s principal adjustments. A five-year TIPS bond was recently offering a 2.242% annualized return above inflation, a meaningful shift from the negative real yield environment of 2021 when TIPS were expensive.
The catch with this ETF
Duration risk cuts both ways. TIP’s roughly seven-year average duration means that if the Fed raises rates aggressively to fight oil-driven inflation, real yields could rise and TIP’s price would fall even as CPI adjustments accumulate. Investors who want less rate sensitivity can pair TIP with shorter-duration TIPS funds.
Income is modest and variable, plus the tax treatment adds complexity. The IRS taxes the annual CPI principal adjustment as ordinary income even though investors do not receive it as cash until maturity or sale. This phantom income problem makes TIP most efficient inside tax-advantaged accounts like IRAs or 401(k)s. Holding it in a taxable brokerage account creates a tax drag that can reduce after-tax real returns.
For investors who understand they are buying a real yield rather than a yield race, the phantom income issue makes TIP most efficient inside tax-advantaged accounts like IRAs or 401(k)s, where annual CPI principal adjustments do not generate a tax bill on gains not yet received in cash.
Regardless, if you want an asset from the government that protects you from inflation, TIP is it.
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