Bitcoin (BTC) traders remain sensitive even to small price movements as data shows liquidations climbing.As BTC/USD approaches $21,600 on March 9, those who are long BTC are seeing positions evaporate.Longs begin to disappear with BTC at three-week lowsDespite consensus forming around Bitcoin retesting $20,000, small shifts in price are still taking a toll on traders.According to data from monitoring resource Coinglass, March 8 saw $24.4 million of BTC longs liquidated — the highest tally in almost a week.Bitcoin liquidations chart. Source: CoinglassThis coincided with BTC/USD heading to three-week lows, abandoning $22,000 as support. The downtrend continues at the time of writing, while liquidations for the day remain negligible. Including altcoins, March 8 liquidated $95 million of longs and another $15.4 million of shorts. Further data from on-chain analytics firm Glassnode captured the dominance of long versus short liquidations.Bitcoin futures long liquidations dominance chart. Source: GlassnodeCommenting on the action, Filbfilb, co-founder of trading suite DecenTrader, argued that it was little surprise that overexposed long positions were feeling the heat.“Makes sense to wipe out the majority longing against the price direction,“ part of Twitter commentary stated.An accompanying chart showed mounting leveraged position liquidations.BTC liquidations chart. Source: Filbfilb/ TwitterResearch warns of “liquidity crisis”As Cointelegraph reported, Bitcoin price action remains comparatively flat despite the liquidation behavior. Related: BTC may need to dip to $19.3K to cool Bitcoin profit-taking — new dataFebruary became the least volatile month on record in terms of open and close prices on monthly timeframes.For financial commentary resource The Kobeissi Letter, however, this served as a warning — not just for Bitcoin.Analyzing price behavior after a significant liquidation event on March 3, Kobeissi forecasted a “liquidity crisis” stretching out across macro assets.“Net liquidations in crypto markets exceeded $200 million in 1 hour. Since then, Bitcoin has traded completely flat and liquidity is gone. Imagine what will happen to broader markets once liquidity dries up,” it wrote.Such a crisis is “the biggest risk to markets right now,“ it said.The views, thoughts and opinions expressed here are the authors’ alone and do not necessarily reflect or represent the views and opinions of Cointelegraph.