Solana (SOL) has experienced a price decline after reaching a historic high of $260 on November 22, currently trading at $240. The altcoin's future trajectory depends on maintaining support above the 21-day SMA; a break below could lead to further declines towards $160, while a rise above $260 may push it to $280. Key supply zones are identified at $200, $220, and $240, with demand zones at $120, $100, and $80.