The U.S. economy just delivered a jaw-dropping third quarter, expanding at a 4.3% annualized clip that blew past expectations. But if you're thinking this kind of momentum will carry forward, prediction markets have some bad news for you.

Traders wasted no time recalibrating their bets after the GDP report dropped. Instead of celebrating the beat, they're positioning for a cooldown in the fourth quarter and potentially into 2026. The headline number crushed the 3.3% consensus and accelerated from the second quarter's 3.8% pace, marking the strongest growth reading since the third quarter of 2023. Still, markets are skeptical about an encore performance.

Why Blockbuster Quarters Rarely Get a Sequel

Here's the thing about massive GDP prints: they tend to be one-hit wonders. History is littered with examples of blowout quarters followed by disappointing sequels.

Take the third quarter of 2023, when the economy grew 4.7%. That impressive run slowed to 3.4% by Q4, then collapsed to just 0.8% in the first quarter of 2024. Or rewind to the post-pandemic euphoria of Q4 2021, when GDP exploded by 7% thanks to reopening momentum and stimulus-fueled spending. The next quarter? A 1% contraction that caught plenty of people off guard.

The pattern is clear: when growth gets this hot, it's usually borrowing from tomorrow. Pull-forward effects, inventory buildups, and temporary tailwinds can juice one quarter at the expense of the next.

"The economy is demonstrating a Goldilocks scenario with above-potential U.S. economic growth, and declining but elevated inflation and a less robust labor market," said Eric Teal, chief investment officer for Comerica Wealth Management.

Teal pointed to strong consumer spending powered by the wealth effect from higher asset prices. He also noted that the Federal Reserve is likely to maintain its dovish stance, though he warned that further rate cuts could push long-term bond yields higher and weaken the dollar.

But Teal flagged a significant headwind that's not getting enough attention: immigration trends. "The collapse in immigration does suggest slower growth ahead and increased pressure on wages," he said. Hiring has been notably weak in industries that depend on immigrant labor, and retail sales have softened in border states.

What Prediction Markets Are Actually Pricing

On Polymarket, the mood shifted quickly. The probability of fourth-quarter growth landing between 2% and 2.5% rose to 20% on Tuesday, up from 17%. Bets on growth below 1% also climbed two percentage points to 14%.

Meanwhile, expectations for another blowout quarter evaporated. The odds of Q4 growth above 3.5% dropped three percentage points to just 10%. The probability of growth between 3% and 3.5% sits at 9%.

So traders are basically saying: great quarter, but we're not buying a repeat performance. The smart money is betting on a return to more modest, sustainable growth rates.

Recession Risks and Rate Cut Expectations

Interestingly, despite the strong GDP print, recession fears haven't budged much. The probability of a 2026 recession held steady at 28%, unchanged on the session. That's actually down from nearly 35% in recent weeks, suggesting traders see the economy cooling rather than crashing.

On the monetary policy front, bettors continue to anticipate multiple Fed rate cuts ahead. The most likely scenario is three rate cuts in 2026, priced at a 23% probability. A two-cut outcome follows closely at 22%. Fed futures broadly align with this view, fully pricing in two cuts and assigning roughly a 12% chance of a third by the end of next year.

The Fed's likely dovish path reflects a market that expects growth to moderate but not collapse. It's a soft landing narrative, where the economy gently decelerates from its current sprint to a more sustainable jog.

The big question now is whether this quarter's strength was genuine momentum or just a temporary sugar rush. If immigration headwinds intensify, labor markets tighten further, and consumers pull back after months of spending, we could see that cooldown materialize faster than expected. Prediction markets are already betting that's exactly what's coming.