So I was looking at the charts and realized something interesting about why we saw that brutal crypto selloff a while back. The whole market tanked over 4% in a single day, with Bitcoin getting hit hard and dragging everything else down with it. That's the thing about crypto - when BTC sneezes, alts catch pneumonia.

What really got me was digging into the liquidation data. In just one day, roughly $237 million in BTC long positions got wiped out. Over the whole week it was like $2.16 billion. A month's worth? Over $4.4 billion in liquidations. That's insane. The reason why crypto is going down in situations like this is because leverage just keeps clearing out of the market. Open interest in perpetual futures dropped about 4.4% in a day alone, which is like $26 billion in exposure just vanishing.

The mechanics are brutal too. Bitcoin drops, long positions get liquidated, those become market sell orders, price drops more, triggers even more liquidations. It's this cascading effect. And because Bitcoin dominates the derivatives market, all that pressure just spills into altcoins as traders panic-sell to cut risk everywhere.

There was also nervousness about some large holders sitting on massive unrealized losses, which added to the fear in an already fragile market. Plus the broader financial world was getting risk-off vibes with stocks weakening and monetary policy concerns. It wasn't just one headline causing it - it was deleveraging that had been happening for weeks finally hitting a breaking point.

Looking back, the key thing to understand about why crypto markets move like this is that when leverage unwinds, it's not quick or clean. It's a process that builds over time until something snaps. The good news is we've since stabilized and recovered some ground, with BTC back above those critical support levels. But it's a reminder of how much leverage was sitting in the system waiting to blow up.