[teraflop]

And yet milk futures are traded on the Chicago Mercantile Exchange.

https://www.cmegroup.com/markets/agriculture/dairy/class-iii...

[082349872349872]

Here, dairy is stocked and sold without refrigeration, but that's probably not true in Chicago.

Maybe the difference is that new milk arrives twice a day, whereas onions are annual?

Lagniappe: https://www.youtube.com/watch?v=yW-n0DJFalY