You can see at 10:30:00 the depth of bids on the book exploded from a few hundred to over 2,000 contracts
Here is a zoom of the moments leading up to the 10:30 release
UNG 1-Minute Chart
UNG was traded with recognizable algorithmic sequences
"We risk becoming the best informed society that has ever died of ignorance"
- Rubén Blades
"You can't make up anything anymore. The world itself is a satire. All you're doing is recording it"
- Art Buchwald
"It's getting exciting now, two and one-half. Think of everything we've accomplished, man. Out these windows, we will view the collapse of financial history. One step closer to economic equilibrium"
- Tyler Durden
"It is your corrupt we claim. It is your evil that will be sought by us. With every breath, we shall hunt them down."
- Boondock Saints