Many rookie traders blindly sell when RSI crosses 70 and buy when it drops below 30. In strong trending markets, RSI can remain above 70 for days while price continues to surge.
RSI Range Shift Rule (Andrew Cardwell Strategy)
In a strong bull market, RSI oscillates between 40 and 80 (with 40 acting as support). In a bear market, RSI fluctuates between 20 and 60 (with 60 acting as resistance).