You are reading correctly.
Difference between Silver (not black-swanned) and Gold (just black-swanned)
Silver market : https://cryptofresh.com/a/SILVER
You see SILVER Debt Positions and Collateral/Debt column.
Gold market : https://cryptofresh.com/a/GOLD
No more GOLD Debt Positions nor Collateral/Debt column.
RE: Bit20 has experienced a black swan ( What is it, what caused it and what are the consequences ?)