数据显示，由于以太坊挖矿利润一直在下降，GPU 价格近期持续走低。
来自技术出口的数据汤姆的硬件 表明显卡价格在 6 月份继续下跌，再次暴跌 14%。
回到2020年，受疫情、芯片供不应求等一系列因素影响，新一代显卡以低库存上市，随后价格一路飙升。
然后，随着 2021 年加密货币牛市的肆虐，以太坊挖矿变得非常有利可图。矿工压倒性地增加了 GPU 领域本已很高的需求，随着 Nvidia 和 AMD 卡的价格继续上涨两倍甚至三倍，撼动市场的完美风暴已经结束。
这种情况一直持续到 2021 年，今年年初卡片的可用性也不太好。然而，随着加密货币市场在过去几个月出现一系列崩盘，短缺情况有所缓解，情况有了显着改善。
相关阅读 | 比特币资金利率转深红，逼空在即？
自 2022 年 1 月以来，GPU 价格平均下降了 57%。仅在 6 月份，它们就下降了约 14%。
与高端 Nvidia GPU 的 MSRP 的二手价和零售价比较 |来源：汤姆的硬件
与零售商相比，易趣等网站上二手 GPU 的价格下降幅度要大得多。这是有道理的，因为最近以太坊哈希率注意到一滴 ，这表明一些不再盈利的矿工正在断开他们的 GPU，并可能将它们倾销到转售网站上。
有几个主要因素导致 ETH 挖矿从 2021 年开始失去高利润。第一个也是最明显的一个是加密货币的挣扎价格。
相关阅读 | 比特币挖矿设施因矿工盈利能力急剧下降而关闭
矿工依赖于他们的挖矿奖励的美元价值，因为他们通常用法定货币支付电费和其他运营成本。仅今年一年，以太坊的价值就下跌了 72%，这意味着矿工的收入将受到重大打击。
加密货币的价格在过去几个月暴跌 |来源：TradingView 上的 ETHUSD
另一个原因是全球不断上涨的电价。电费通常占矿工日常成本的很大一部分，电价上涨会导致他们的净利润减少。
即将过渡到股权证明 共识系统会混淆网络上的矿工。这意味着挖矿对以太坊有一个最后期限，矿工必须早于这个期限才能获得投资回报率，以免损失他们的钱。
电力成本高的地区的矿工可能别无选择，只能卖掉他们的 GPU 以偿还他们的部分投资，因为他们可能无法在 PoS 到来之前赚取任何利润。
特色图片来自 Unsplash.com 上的 Kanchanara，图表来自 TradingView.com
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