If I put in 100,000 buy orders at 3c,

I'll note that most brokers aren't going to allow you to put in buy orders that far from the market price (as far as I know) but the point stands. The order books are interesting for their own reasons but it's only at the spread that the action is really happening.

If I put in 100,000 buy orders at 3c,

I'll note that most brokers aren't going to allow you to put in buy orders that far from the market price (as far as I know) but the point stands.