A note issued prior to the margin hike from the Comex:

The margin hike contributed (mainly) the drop in price upon Globex reopen.

Anyway, back to HSBC, the firm argues that price will remain volatile and see the noobs in the market (HSBC refers, more politely, to 'new entrants') likely to 'tire' and then start to sell out their holdings and thus pushing the price lower ... "buyer beware!" they add.

The hourly silver chart, showing the surge after chatter began last week of a campaign to drive the price up à la WSB on GME:

A note issued prior to the margin hike from the Comex: