Falling back lower than $49,500 would cause problems, traders say, while any impulse move has the potential to hit $58,000. Bitcoin ( BTC ) could jump to $58,000 or dive to $44,000 from its current levels, an analyst warns as $50,000 sees a “very healthy retest.” BTC/USD 1-hour candle chart (Bitstamp). Source: TradingView Hedging bets against a “swift downwards move” Data from Cointelegraph Markets Pro and TradingView  showed BTC/USD fluctuating around the $51,000 mark on Tuesday after losing $2,000 in two hours earlier in the day. Overnight, the pair hit fresh highs of nearly $53,000 , coinciding with bullish momentum on the back of El Salvador becoming the first sovereign state to officially adopt Bitcoin as a currency. Now, $50,000 is once again a deal-breaker for bulls and bears alike, says Cointelegraph contributor Michaël van de Poppe. Specifically, Bitcoin needs to hold the area between $49,500 and $50,000 in order to preserve its trajectory. “If that is holding, we’re going to look at $58,000 next,” he said in his latest YouTube update . “If it doesn’t hold, I’m going to look at $44,000 next, as there might be a swift downwards move.” Van de Poppe added that there was no reason for concern at levels above $50,000, regardless of Tuesday’s volatility, which he argued constitutes a “very healthy” move after the breakout. “Retest is now in progress,” fellow trader and analyst Rekt Captial echoed , highlighting a “key” area to hold at around $50,300. Pentoshi also called for a $50,000 retention. GM/Grand rising. Today we want to hold 50.5k on a closing basis and flip this resistance to support $BTC — Pentoshi Wont DM You (@Pentosh1) September 7, 2021 Ether lines up BTC support test Meanwhile, altcoins continue to lick their wounds after outdoing Bitcoin at losing recently-gained levels. Related:  Price analysis 9/6: BTC, ETH, ADA, BNB, XRP, SOL, DOGE, DOT, UNI, LINK Out of the top 10 cryptocurrencies by market capitalization, Solana (SOL) remained the sole green performer on the day, in sharp contrast to other tokens. Ether ( ETH ) could be in line for a retest of $3,400 if $3,700 is lost, van de Poppe said about the largest altcoin. Against BTC, it could likewise retest the recently reclaimed 0.071 level. ETH/BTC 1-day candle chart (Bitstamp). Source: TradingView Cardano ( ADA ) saw a modest recovery after falling to $2.58, still down 6.7% on the day at the time of writing and 15% versus its recent all-time highs .