OPEN-SOURCE SCRIPT

Sapphire

Trade indicator based on standard deviation models. To avoid the numerous false trades this can trigger on normal charts, suggested use is with renko charts.
Bollinger Bands (BB)Exponential Moving Average (EMA)Standard Deviation

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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