So after the surge in prices from normal market forces, they tried to keep prices up by placing high bids on eggs that they never intended to actually purchase. This briefly worked, then the market re-asserted itself and prices cratered. Now, after the fact, the justice department is investigating the bidding shenanigans. Is that a fair summary of the situation?

I guess the thing I'm confused about is how bidding above market rates for eggs didn't just result in these companies being stuck with a bunch of eggs that they grossly overpaid for? How did the scheme actually work?

It sounds like the exchange consumes bids, not just closed transactions. So these companies were basically publishing fraudulent bids that never completed.

I can’t tell from the article if they were bidding on each others eggs or bidding on other farmers eggs and then canceling.

Just par for the course. Stock spoofing is rampant, and securities markets are built on "failing to deliver" purchased shares.

https://www.goodreads.com/book/show/57573604-naked-short-and...

https://www.dtcc.com/products-and-services/clearing-settleme...

“Global financial markets may not survive what comes next.”

As if I didn’t have enough to worry about. Lol.

They buy a relatively small number of eggs at a high price, but the price of the transaction is an input into an index that the larger market uses.

So is the real collusion here the fact that an index like that exists? Why are prices set by a centralized index rather than just normal supply and demand? (Genuinely asking; egg markets are far outside my area of expertise.)

All kinds of commodities are sold on centralized exchanges. With those, however, you can't bid and then not settle the transaction, AFAIK. That's the part that's confusing to me, how can bids that never result in a sale affect prices, at least for very long?

As always with financial markets, the answer is read Matt Levine: https://www.bloomberg.com/opinion/newsletters/2026-07-01/egg... aka https://archive.is/rQCv1

In this case it looks like the price-setting market was the spot market for excess eggs but that market was a small percentage of the overall egg market: the majority of eggs are sold in private, years long contracts that are negotiated to adjust to the prices in that small excess egg market. The vulnerability of this kind of market to manipulation is obvious.

There was also some spoofing which apparently also affected the actual prices because the egg market index was not as sophisticated as stock market indexes are.