When using compact number formatting (K, M, B) on chart axes, positive axis intervals are formatted correctly (e.g., 1.2K, 3.4M, 2.1B), but negative axis intervals display unformatted values (e.g., -1200, -3400000) inste…...A7"); // Configure chart appearance chart.getTitle().setText("Simple...1B ). Negative axis labels appear as raw numbers ( ‑1200 , ‑3400000...