Bitcoin reached $81,455 on Friday, its highest level since May 15, before slipping to about $79,850, a decline of roughly 0.5% over the past 24 hours, according to CoinDesk data. Analysts noted that the $82,800 level, where price was rejected in May, is now a key resistance for a potential breakout. The price rally added roughly 26% since the U.S. Treasury’s bond buyback announcement on Aug. 19. Altcoins were generally lower, with most losing between 2% and 3% since midnight, according to market data. The TRUMP memecoin rose 24% on derivatives‑driven momentum, with open interest increasing 57% to $188.72 million, according to Coinglass. Solana fell 2.6% after a weekly gain of 18%, and privacy coin XMR rose 2.2% while Monero gained 12.8% over the past week. The Altcoin Season index stood at 34 out of 100, indicating a bitcoin‑dominated market. Derivatives open interest remained near $140 billion, trading volume rose about 10% to $222 billion, and shorts accounted for 51% of recent flow. SOL futures open interest climbed to 70.88 million tokens, the highest since early July, while XMR’s annualized funding rate reached 67%, suggesting crowded bullish positions. Bitcoin’s 30‑day implied‑volatility index fell to 41%, its lowest since a recent high of 50%, implying limited expected volatility from upcoming speeches. Call volume dominated Deribit options trading, with the $85,000 Bitcoin call expiring Sept. 26 seeing the most activity. The market remains focused on Bitcoin’s potential breakout above $82,000 as altcoins continue to consolidate.