In the last seven days, the segment of meme cryptocurrencies witnessed an impressive upsurge. The largest meme coins printed double-digit gains on surging trading volume. At the same time, Santiment, the leading cryptocurrency analytics team, issues a warning. Meme cryptos complete fantastic week: M, PEPE, PENGU in focus In the last 24 hours, the net capitalization of the cryptocurrency market is bleeding. While the total crypto cap is down by 3.3%, some major meme cryptocurrencies are posting decent overnight gains. Pudgy Penguins (PENGU), an NFT-linked meme coin, is up by 5.4%. Pudgy Penguins' (PENGU) capitalization just exceeded $1 billion. The PENGU price sits at $0.02214. In the last seven days, its price added 40%. Some other big meme cryptocurrencies also secured pretty impressive weekly gains. A novel cryptocurrency MemeCore (M), the native coin of a meme coin-centric L1 on EVM, is up by over 1,000% in one week. M price reached $0.6823 while the asset jumped into the top 100. Pepe (PEPE), the largest frog coin and another popular community-centric meme crypto, saw a 26.5% weekly price increase. PEPE is changing hands at $0.00001235. SPX6900, the biggest "Murad's meme coin," jumped to $1.55 following a 24% price increase in the last seven days. Bonk's (BONK) price added 22% and reached $0.00002203. Meme coin optimism is bearish signal for altcoins? Santiment says yes The biggest meme cryptocurrencies, Dogecoin (DOGE) and Shiba Inu (SHIB), also secured a splendid week. Dogecoin (DOGE) added 20.8% and hit $0.1985. Shiba Inu (SHIB) price hit $0.00001322 after a 15% weekly rally. At the same time, Santiment, a reputable cryptocurrency research firm, warned that the meme coin rally might indicate that we are at the peak phase of the bull run. 📺 With Bitcoin continuing to climb and crawling to a now all-time high of above $116.8K, we take a full look at how sustainable this rally is. Enjoy our This Week in Crypto episode with our friends at Equities Tracker below. 👇https://t.co/ydsD8glHqe pic.twitter.com/OuhMc6zdu7 — Santiment (@santimentfeed) July 11, 2025 Greed sentiment domination might have already entered its most overhyped stage, a new report says: Memecoin surges are like the last stage of any rally. When speculative assets lead the market, it can indicate that greed is reaching a peak (...) When memecoins are exploding, it's a good time to review your portfolio's risk exposure, as this often indicates peak greed Yesterday, on July 11, 2025, Bitcoin (BTC) price reached a new all-time high over $118,600.