Ethereum, MNT, and IP are nearing their all-time highs as the crypto market stabilizes following a bullish start to September. Ethereum is currently trading at $4,529, approaching its peak of $4,956, with indicators pointing to a continued uptrend. MNT is priced at $1.60, close to its recent high of $1.76, reflecting strong bullish momentum. Meanwhile, IP is 21.5% below its all-time high of $11.84 but shows potential for further gains. Despite the positive trends, downside risks remain if these altcoins fail to sustain their momentum.