Standard WPR oscillator implemented as a histogram rounding its values to the standard range: 1 — no rounding; 2 — all values from minus 100 to 0 divided by 2; 5 — all values from minus 100 to 0 divided by 5; 10 — all values from minus...
from https://tradingrobots.net/wpr_histogram_round-indicator-for-metatrader-5/