S&P 500 on Breakdown Watch as Oil and Yields Rip Higher

Published 03/19/2026, 02:42 AM

The S&P 500 finished the day lower by more than 1.3% following a hotter-than-expected PPI report, surging oil prices, and a Fed that seems less likely to cut rates in 2026, even if Jay Powell is no longer chair.

The 2-year rate seems to tell the story, rising by more than 10 bps on the day to close at 3.79%, the highest level since August. There is some resistance at 3.8% for the 2-year, but not much, so a run back to 4% seems entirely possible at this point.US 2-Year Yield-Daily Chart

What’s really more interesting to me is the 30-year, because it is knocking on the door of 5% again, rising by 4 bps on the day to close at 4.89%. If oil stays at these levels or moves higher, and inflation is indeed heading higher, then a move above 5%—perhaps even back to 5.1% or 5.2%—can’t be ruled out.US 30-Year Yield-Daily Chart

Shifting back to the S&P 500, it made its lowest close since November at 6,624 yesterday. The 200-day moving average is a mere 9 points away, and it’s setting up an interesting battleground for the market heading into opex on Friday.

A break of the 200-day moving average, with follow-through to lower levels, would certainly ring alarm bells for many. But for now, a break of the 200-day likely just means a test of the next support level at 6,520. Things don’t get really interesting until we break 6,520. Also, at least through Friday, 6,500 appears to be the put wall.S&P 500-Daily Chart

At least based on my CTA model, I have flows as negative, with the next major flip level around 6,570. I’m still calibrating the longer-term trend level, so I don’t have much confidence in it. But more importantly, systematic flows are not supportive of the market rising.S&P 500 Futures-Chart

The XLF Financial ETF is very close to breaking a support level just below $49. After that, $47.25 is the next area of support on the chart, dating back to April of last year and also filling the gap from that time.XLF-Daily Chart

But in the end, it’s important to remember that all of this ties back to one thing: oil. And at least for now, that trend remains higher. Until oil breaks, it seems to me that rates and the dollar move higher, while risk assets move lower.WTI Crude Oil-Daily Chart

Finally, Micron (NASDAQ:MU) reported blowout results and blowout guidance, and perhaps more importantly, the stock is still trading down over 3%. Not horrible—at least not yet. More importantly, the stock is trading below $450.

Basically, all of those calls at $450 and higher are going to become worthless very quickly today if the stock can’t rebound, and could start to get unloaded, which may, in turn, lead to market maker hedges getting unwound.MU-Delta Exposure

As long as the stock stays above $430, gamma will—at least based on yesterday’s values—remain positive, so that region may offer support. However, if the stock breaks below $430, dealers will also become sellers, and the stock could very well be on its way to $400 ahh, maybe more like $390.MU-Gamma Exposure

Yes, the tail really does wag the dog in this market—at least, I think it does.

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Thank you, Michael.
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Goods morning, Michael. You should title your work,"Everything You Wanted to Know About the S&P, but We're Afraid to Ask!" Thank you!
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