If they bought in massively that's not what we're being shown.
Half a million is chump change for JPMorgan.
Probably one trader given the authorization to play with 0,1% of his portfolio on BTC, or something like that.
On contrary to this, JP Morgan understands the importance of digital gold and could not resist its benefits for long. It would be much better for the bank and CEO to accept and support bitcoin, which is the future of money.
One time of another banks will really have to give in with crypto, and it will be really hard for them to really ignore of even treat it as an enemy. Both of bitcoin and banking system should have like sort of compromised or a middle ground so that we, the people can harness the benefits of both system. We have to admit, bitcoin or cryptocurrency won't make them disappear in the face of the earth, never, banking system has been with us thousand of years. So there's no way that bitcoin can replaced them.