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When the government has to buy its own debt, ask who stopped buying
Tomorrow the United States government starts buying its own long-term debt at twice the pace it did last month. The financial press will file it under good news: more buying means higher bond prices, lower yields, a little relief for anyone with a mortgage or a bond fund. Read it that way and you miss what the move is actually telling you. Governments do not double the size of a bond-buying program when the bond market is healthy. They do it when something is wrong at the long end, and something is.
Here are the facts, and they are not in dispute. On August 19 the Treasury announced it would at least double the size of its long-bond buybacks, from 2 billion dollars per operation to at least 4 billion, covering the 10-to-30-year part of the market. The program takes effect tomorrow, September 9, and runs through November 4. Treasury Secretary Scott Bessent told CNBC the department would make a market in these bonds and that the size could go higher than 4 billion. That is the plan in plain terms.
Now the part the good-news framing leaves out. The reason the Treasury stepped in is that almost nobody else wanted the long bond. The 30-year yield had just hit 5.34 percent, its highest in 19 years, and the market had seen what one desk called a buyers’ strike in long-dated debt since late June. Yields rise when buyers walk away, and they had. The buyback is not a gift to bondholders. It is the seller of last resort showing up because the buyers of first resort left. That distinction is the whole story.
Watch what happened next. When it announced the doubling, yields did drop for a day: the 30-year fell to about 5.20 percent and the 10-year to 4.65. Then they climbed right back. Within 24 hours the 10-year was back above 4.7 percent, and analysts were unimpressed. One called it a weak form of Operation Twist. Another warned that the more the Treasury buys, the larger its own footprint grows in a market that is supposed to price the government, not be propped up by it. A one-day dip that reverses does not fix the problem. It measures how much selling pressure the buyback is leaning against.
Now bring it home, because this is where it reaches you. The 30-year Treasury yield and the 30-year mortgage move together, and mortgages tracked near 6.67 percent this summer, taking their cue from the long bond, not from the Fed. If the buyback works and long yields ease, mortgage rates get some relief. If it does not, and the one-day reversal suggests it may not, the saver who owns a long-term bond fund is holding the exact paper the government is now trying to support by hand. You do not have to trade Treasuries to have a stake in this. Your mortgage, your bond fund, and the rate on anything you might refinance all sit downstream of whether tomorrow works.
And here is the timing that makes this week unusual. While the Treasury pushes long rates down starting tomorrow, the Fed may push short rates up next Wednesday. The market puts the odds of a September hike somewhere around 57 to 60 percent after the strong jobs report, though a hold is still very much on the table. One arm of the government leaning on long yields, another possibly lifting short ones, in the same seven days. Whatever that produces, it is not the quiet, predictable Treasury market savers were promised.
So what does a steady hand do. Not panic, because a buyback is a real bid and can steady prices for a while. But not cheer either, because the need for it is the signal. Know what you own at the long end, understand that a fund heavy in 20-and-30-year paper is the most exposed to whether this works, and watch where the 30-year yield sits by Thursday. If it drifts back up the way it did in August, the buyback is treading water. When the government has to become the buyer, ask who stopped buying, and why. None of this is investment advice.
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