Rel vol 82x for NR21.PA NR21 SA on EURONEXT at €49.80 13 Mar 2026: watch breakout

A dramatic intraday volume spike pushed NR21.PA stock to €49.80 on 13 Mar 2026, driven by an unusually high relative volume of 82.00x versus its tiny average. This price held intra‑day between €49.80 and €49.80 with only 82 shares traded, highlighting a thin float and idiosyncratic move on EURONEXT. Technicals show an overbought RSI of 94.98 and MACD positive histogram, while fundamentals show a P/E of 19.76 and book value per share of €81.69. We examine why the volume spike matters, what the valuation says, and how Meyka AI’s grade and forecasts frame the short‑term outlook.