Silver

The Hunt brothers' silver squeeze was an attempt by brothers Nelson Bunker and William Herbert Hunt to corner the silver market in the late 1970s and early 1980s by accumulating massive amounts of physical and paper silver, driving prices to nearly $50 per ounce. This attempt backfired when the COMEX, in response to market chaos and margin calls, implemented rule changes that triggered a market collapse, an event known as Silver Thursday, leading to the Hunts' financial ruin but a systemic crisis averted by a bailout