Ethereum Upgrade Day Price Mystical Rules:
September 2022 Merge Upgrade: Plummet (Good news fully priced in, big players dumping)
April 2023 Shanghai Upgrade: Surge (Staking withdrawals open, institutions entering)
March 2024 Cancun Upgrade: Plummet (Prices rose too much before the upgrade, sell-off after the event)
May 7, 2025 Prague Upgrade: Guess how it will move tomorrow?