1. to plot the outstanding BTC long (green) and/or short (red) positions
2. to plot an area (blue) corresponding to the ratio between the outstanding long and short positions, shifted and rescaled, such that the zero-line corresponds to the mid-point between the long and short positions: ratio => ratio * mid + mid
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.