It's pretty simple: It's because there are a crap ton of bitcoin being sold at the $19,000+ range.
Take a look at that gigantic sell wall on Binance:
Now that this wall has been broken, where do we go from there? Judging by the wall, I'm seeing it's likely to climb above $25K. May be I'm not a good analysts on buy and sell walls

You can help me out with a better analysis about the direction of its next move.