OPEN-SOURCE SCRIPT
Updated Multi-RSI Trend Indicator
RSI 14 crosses up over RSI 250 when RSI 250 > 50 indicates a strong and high probability uptrend or reversal. Can be further confirmed by MACD Golden Cross.
Release Notes
RSI 14 crosses up over RSI 250 when RSI 250 > 50 indicates a strong and high probability uptrend or reversal. Can be further confirmed by MACD Golden Cross. 
Open-source script
In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in publication is governed by House rules. You can favorite it to use it on a chart.
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