What happened
Written from the data, not opinion.
Positioning puts the upper wall at 74,000 and the lower wall at 72,000.
At 21:33 UTC a 153 BTC bid wall at 73,885 was pulled before price reached it.
The ask wall at 73,813 held at 23:44 UTC: about 108 BTC traded into it and price turned 74 USD away.


