S&P 500: All Eyes on Inflation Swaps, Yield Curve Ahead of Friday’s Jackson Hole

Published 19/08/2025, 05:49
Updated 19/08/2025, 08:08

Stocks finished flat, in a fairly uneventful Monday. It was the lightest volume day on the S&P 500 futures since July 3, a half-day. Just 821,000 contracts traded on Monday.S&P 500 Futures-Daily Chart

There isn’t much happening this week. Even the data calendar is light, with the highlights coming on Thursday in the form of jobless claims and Flash PMI readings, along with a very rare 30-Year TIPS auction. Otherwise, all eyes will be on Jay Powell’s Jackson Hole speech on Friday morning.

This year’s Jackson Hole speech will be Powell’s last. Jackson Hole used to be a major event—especially in the years following the GFC, when Ben Bernanke often gave the market hints about QE. In more recent years, it has been used to signal the policy path for rate hikes and cuts.

This year, it isn’t clear what Powell will say. I don’t think he is in a rush to cut rates, not with inflation still running hot. I would be surprised if he gave that signal ahead of next week’s PCE data and the August jobs report the week after. My guess is he’ll stay out of the spotlight and avoid drawing attention to himself, so as not to invite further criticism from Trump.

Looking at inflation swap pricing, I could easily argue that Powell shouldn’t signal anything. The 5-Year swap remains at the upper end of its trading range and still looks like it could move considerably higher. It even resembles an inverse head-and-shoulders pattern, but we’re still waiting to see if it can clear the neckline.US CPI

In the meantime, the USD/JPY 5-year forward is getting very close to breaking out. Historically, when we’ve seen large moves in the JPY 5-year forward, they have coincided with major risk-off events in the S&P 500—see 2001, 2007, 2008, and 2020 in the chart below.

Of course, just because something looks like it’s about to break out doesn’t mean it will. But it does suggest the conditions are in place for one. And I can think of plenty of reasons why it might.USD/JPY Chart

Meanwhile, we are starting to see some progress on the yield curve, with the 30-year minus the 3-month rising to 70 bps on Monday. Perhaps it is forming the largest cup and handle pattern ever; I don’t know, but the case for a steeper curve remains.US30Y-US03MY-Daily Chart

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