Liquidation clusters

// The biggest cluster of long and short liquidations within 10% of the price, from the snapshot as of each bar.
// Clusters sit up to 10% away, so they leave the price scale to the candles (autoscale: false).
indicator('Liquidation clusters', { overlay: true });

const chart = bars();
const map = liquidationLevels();
const longs = plot.points('Long cluster', { color: color.down, autoscale: false });
const shorts = plot.points('Short cluster', { color: color.up, autoscale: false });

chart.onBar(() => {
  let bestLong = 0;
  let bestShort = 0;
  let longAt = na;
  let shortAt = na;
  for (const level of map.levels()) {
    if (level.longUsd > bestLong) { bestLong = level.longUsd; longAt = level.price; }
    if (level.shortUsd > bestShort) { bestShort = level.shortUsd; shortAt = level.price; }
  }
  longs.set(longAt);
  shorts.set(shortAt);
});