Remember: what is unsustainable, can never crash, or so those who can create virtually unlimited naked shorts out of thin air would like everyone to believe.
Gross exposure - new all time record shorts:

Net: lowest longs in a decade:

Comex Registered gold inventory: decade lows:

Total Comex gold inventory: lowest since 2008:

Two final ones, but without the charts:
JPMorgan total gold vault holdings: record low.
Bundesbank gold repatriation: ongoing.