The "Crypto Index Percentage Gain" indicator calculates the percentage gain from the left-most visible candle for a selection of cryptocurrency symbols. It utilizes the PineCoders VisibleChart library to access the high, low, close, and open prices of the visible chart range.
The user can customize the symbols to include in the calculation by enabling or disabling the corresponding input options. `_open` represents the open price, `_close` represents the close price, and `_gain` represents the calculated percentage gain. The formula used is (close - open) / open * 100 to calculate the percentage change between the open and close prices.
The calculated percentage gains for each symbol are plotted on the chart using different colors and line widths, providing an overview of the relative performance of the symbols.
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Configure the symbols and visibility options using the input parameters.
The indicator will calculate and display the percentage gain for each selected symbol based on the left-most visible candle on the chart.
The script imports the PineCoders VisibleChart library for accessing the visible chart range.
It defines a function `f_pcr()` to calculate the percentage gain for a given symbol.
Input options are provided to enable or disable symbols and set their visibility.
Symbols are defined using `input.symbol()` and the percentage gains are calculated using `request.security()`.
The calculated percentage gains for each symbol are plotted on the chart using different colors and line widths.
thanks to @PineCoders for VisibleChart library.
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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 a publication is governed by House Rules. You can favorite it to use it on a chart.