Earlier this week, Federal Reserve (Fed) Chair Jerome Powell walked into a Harvard University introductory economics class and handed markets one of the clearest policy signals of the year: the Fed is not going to raise interest rates to fight inflation caused by the Iran war’s oil shock.
Before he’d finished speaking, market odds of a Fed rate hike by December had collapsed from above 50% to just 2.2%. Treasury yields dropped 10 basis points across the curve. The U.S. dollar softened, and gold firmed. All from a guest lecture.
Not bad for a Monday morning.
But why does the Fed feel it can simply ignore surging prices? And what does this mean for you as a forex trader? Let’s break it down.
What Actually Happened?
Jerome Powell spoke at Harvard University on Monday, dropping into Economics 10b, the school’s intro macro class, in front of about 400 students who probably didn’t expect to move global bond markets that day.
With Brent crude oil trading near $114 per barrel and U.S. gasoline prices approaching $4 per gallon nationally, markets had been bracing for the Fed to respond with a rate hike. As of Friday, there was better than a 50% probability of a quarter-point increase priced into futures markets, according to CNBC.
Powell’s answer, in plain language: not necessary.
“We feel like our policy is in a good place for us to wait and see how that turns out,” Powell told students, according to the Harvard Crimson. The Fed funds rate stays in its current 3.50%–3.75% range, where it’s been since the March 18 FOMC meeting.
His reasoning came down to two things: oil shocks are temporary, and rate hikes work too slowly to be useful against them anyway.
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Why Did the Fed Decide to “Look Through” the Oil Shock?
“Looking through” inflation is central bank speak for deciding not to respond to it with rate changes. It sounds passive, but it’s actually a deliberate policy judgment grounded in economic theory. And it’s one of the most recurring debates in all of monetary policy.
Here’s the core logic Powell laid out and why it’s textbook stuff.
Reason 1: This is supply-side inflation, not demand-side inflation.
Not all inflation is created equal. There are two main types:
- Demand-pull inflation happens when too much money is chasing too few goods (think post-COVID stimulus checks and pent-up spending). This is where higher interest rates are the right medicine, because they cool down borrowing and spending.
- Cost-push (supply-side) inflation happens when production costs rise and push prices higher, regardless of how much people are spending. An oil shock from a war in the Middle East is a textbook example. People aren’t suddenly spending more money on petrol because they want to — it just costs more because supply has been disrupted.
Raising interest rates fights demand. It does very little to fix a supply disruption. Powell noted that energy shocks “tend to come and go pretty quickly,” meaning by the time rate hikes actually bite into the economy, the oil price driver might have already faded.
Reason 2: Monetary policy works with “long and variable lags.”
This phrase, which Powell used directly and based on the famous formulation originally coined by economist Milton Friedman, is crucial. When the Fed raises interest rates today, the full effect on inflation and growth doesn’t arrive for roughly 12 to 18 months.
As Powell put it, “By the time the effects of a tightening in monetary policy take effect, the oil price shock is probably long gone.”
In other words, if they hike rates in April to fight $114 oil and the Iran conflict de-escalates by autumn, they’ve done practically nothing to stop the inflation. But you’ve set up a rate-induced drag on the economy that kicks in precisely when things are already recovering. That’s the policy equivalent of braking after you’ve already safely exited the corner.
Reason 3: Inflation expectations appear anchored for now.
The Fed’s deepest fear isn’t current inflation. It’s expected inflation, which is the idea that households and businesses start to believe prices will keep rising, and then act accordingly.
Workers demand higher wages. Businesses pre-emptively raise prices. Inflation becomes self-fulfilling. This is how the 1970s oil shocks spiraled into a prolonged inflationary decade.
Powell said inflation expectations “appear to be well anchored beyond the short term.” But he stressed this needs constant monitoring.
“You have to carefully monitor inflation expectations,” he told students, “because you could have a series of big supply shocks and that can lead the public – generally businesses, price setters, households – to start expecting higher inflation over time. Why wouldn’t it?”
In this case, “looking through” is more like a conditional bet than a permanent free pass. He’s saying, “We’ll hold steady unless expectations start to drift.”
So What Does This Mean for Markets?
The market reaction was swift and significant, illustrating something every developing trader should internalize: central bank communication is itself a market-moving event, sometimes more powerful than actual rate decisions.
The Dollar: Powell’s dovish messaging contributed to some softening of the safe-haven dollar premium. When rate hike expectations fall, the yield advantage of holding dollars tends to narrow, which may reduce the currency’s appeal to foreign investors. EUR/USD and GBP/USD saw modest relief, though the geopolitical backdrop may have capped gains.
Treasury Yields: Bond markets responded immediately and sharply. 10-year Treasury yields dropped 10 basis points across the curve after Powell finished speaking. Lower rate hike expectations mean less upward pressure on yields. Bond prices and yields move in opposite directions, so this was a meaningful move for bond holders.
Gold (XAU/USD): Gold doesn’t pay interest, so it tends to underperform when rates are rising (because holding cash or bonds becomes more attractive). A signal that rates are staying put — or more importantly, that a hike is off the table — removes one of gold’s near-term headwinds. Combined with the ongoing geopolitical safe-haven demand from the Iran war, the environment may continue to support gold prices.
The “Successor Risk” Wildcard: Powell’s term as Fed Chair ends in May 2026. His designated successor, Kevin Warsh, has reportedly favored rate cuts. Investors took Powell’s “good place” framing well, partly because it aligns with expectations that the next Fed Chair will be even less likely to hike. Markets aren’t just pricing in today’s Fed, they’re pricing in the next 12 months of policy too.
The Bottom Line
- “Looking through” an oil shock means the Fed has decided the inflation is temporary and supply-driven (a.k.a. not something higher rates can fix) and it’s choosing not to raise rates in response.
- Powell’s key argument: rate hikes work with long and variable lags; by the time they’d take effect, the oil shock would likely be resolved, leaving the economy with unnecessary drag.
- The crucial condition: this only works if inflation expectations stay anchored. If consumers and businesses start pricing in permanently higher inflation, the Fed’s calculus changes quickly.
- For forex traders: a dovish hold (no hike) tends to soften a currency’s outlook relative to currencies where hikes are still possible. Watch EUR/USD and USD/JPY for shifts in interest rate differentials.
- Watch the data: the Fed is not on autopilot. If the next Core PCE print or consumer inflation expectations surveys show de-anchoring, the “look through” stance could flip quickly.
What to Watch Next
- 📅 Friday, April 3 — U.S. Nonfarm Payrolls for March (forecast: ~+60K). A significantly weak print could reinforce the Fed’s hold; a strong print complicates the picture.
- 📅 Late April — The next FOMC meeting. With hike odds now near 2%, markets will be watching Powell’s final press conference as Chair for any revision to guidance.
- 📅 May 2026 — Kevin Warsh’s expected confirmation as incoming Fed Chair. His first public signals on rate policy could be a major forex catalyst.
- 🛢️ Ongoing — Iran conflict and Strait of Hormuz developments. Any meaningful de-escalation could rapidly unwind the oil-shock inflation story entirely — and with it, the entire policy debate.
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