Range RR Checker
From A Range Is a Setup Type, Not a Pause: the height of the box, minus the stop margin outside one edge, minus the target margin inside the other, has to leave at least twice your stop distance. If it doesn't, there is no trade in the box.
RR = (box height − stop margin − target margin) ÷ stop margin. Use the same unit in all three fields (pips, points or price). Below 2 the article's own rule says walk away — a real range can still be untradeable. This tool does the arithmetic; it does not decide whether the range itself is real.