On the off chance that you're unaware, the world is in the grips of a microchip shortage. Technology-intensive goods ranging from automobiles to smartphones to solar panels (just to name a few) are being adversely impact by the supply crunch. Semiconductor manufacturers like Intel (INTC -4.26%) and NXP Semiconductors (NXPI -2.19%) are working hard to catch up with demand, including investing in new production capacity. But it's still not been enough. The end result? Microchip makers can pretty much charge whatever they want for their wares, yet revenue is still crimped by a lack of inventory.

The response to the supply shortage, however, could be setting up a huge future problem that's difficult to see in the present. Namely, the massive investments being made in greater production potential right now set the stage for a price-killing chip glut in 2023.

A robotic arm on a microchip manufacturing assembly line.

Image source: Getty Images.

A self-induced glut awaits

That's the argument being made by technology market research outfit IDC, anyway. Late last month the company said this year's likely 17.3% growth of the undersupplied semiconductor market would "normalize and balance" by mid-2022. Then, in 2023, there's a "potential for overcapacity" as "larger scale capacity expansions begin to come online toward the end of 2022."

It admittedly sounds a bit insane, given the current environment and shortage rhetoric. But know that IDC isn't the only organization warning the world of this possibility. Bond and equity markets research name Moody's is worried too. In August a report published by Moody's on the matter explained, "The [Chinese] government's semiconductor industry investment plans could lead to fierce competition, resulting in overcapacity of certain types [of chips]." That report went on to warn that "overcapacity is a particular risk at the fabrication stage as a result of the large amount of capital spending needed to set up fabrication plants."

Although Moody's specifically pointed to China's role in expanding the industry's output, it's hardly going to be solely responsible for any oversupply issue. Intel is spending $20 billion to build two new semiconductor foundries in Arizona and has earmarked nearly $100 billion to expand its chipmaking capacity in Europe. Taiwan Semiconductor Manufacturing (TSM 0.60%) is planning to spend $100 billion over the course of the next three years to beef up its output volume. Samsung (OTC: SSNLF) is ponying up more than $200 billion to expand its capacity.

At least one big name in the industry may somewhat see the prospective problem, however.

That name is Texas Instruments (TXN -2.59%). Its third-quarter guidance issued as part of its second-quarter report posted back in July wasn't exactly better than expected. More notably, although the company already has a great deal of production capacity, Q3's revenue guidance of between $4.40 billion to $4.76 billion isn't remarkably better -- given the high-demand and COVID-crimped supply at the time -- than last year's Q3 revenue of $3.82 billion. The outlook loosely suggests the headwind is already starting to blow. As Raymond James analyst Chris Caso put it, "management likely suffers from a lack of confidence at the macro level, despite what clearly continues to be tight supply conditions," perhaps articulating the impending challenge in a way that Texas Instruments itself couldn't.

Think ahead, because stock prices are forward-looking

OK, fine. Too much semiconductor manufacturing capacity is on the horizon, but it won't be a problem for at least a year, and possibly two years. These names are poised to perform well in the meantime, right?

Maybe. Or maybe not.

While the demand is clearly solid and the need for chips isn't likely to ebb anytime soon, the stock market doesn't operate so straightforwardly. It's predictive in nature, meaning stocks have a way of reflecting what's likely to happen in the future as much as (if not more than) what's happening in the present.

And there's the rub. A chip glut is probably part of our foreseeable future, even if we don't know exactly when it will become readily evident. IDC reckons equilibrium will be found sometime next year, but a year is a long time. Investors as a group could see that writing on the wall anytime between now and then, and start repricing these stocks accordingly.

Bottom line? This isn't a call to sell any and all foundry/fab names right now, to be clear. It is a suggestion, however, to go ahead and put this brewing headwind on your mental radars. Once it starts to blow against these stocks, it could stiffen in a hurry.