CoinMeta data: On October 12th, the BTC contract repeatedly tested the range between $83,500 and $84,200, with several 40x leveraged positions triggering liquidation. One of these was a short position of 140 BTC that was closed at $84,156 to $84,181, resulting in a loss of $239,000. Currently, within this price range, there are still $41.47 million in BTC short positions and $13.14 million in long positions of BTC approaching the liquidation line.