Noted economist Peter Schiff cautioned that the much-anticipated Bitcoin ETF approval rally may not meet speculators’ expectations and that it would be “better to sell today.” What Happened: Schiff, in a tweet on Tuesday, noted the volatility of Bitcoin (CRYPTO: BTC) following a false announcement of Bitcoin ETF approval by a compromised @GaryGensler Twitter account. He suggested that the market might not deliver the anticipated rally when the actual approval is announced, considering the high number of speculators. He said, “With so many speculators expecting a rally, it’s hard to believe the…