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NGG forms 200 Day Moving Average Support on June 18

National Grid Transco, PLC (NGG) — Daily Technical Analysis & Swing Trading Signals · Jun 18, 2026, 20:02 ET
NGG closed down 1.54% on Thursday, June 18th, with volume running 2.1× above average. The unusually high volume suggests institutional participation in today's move. Mixed technical signals appeared with 200 DMA Support suggesting upside potential, while MACD Bearish Signal Line Cross indicated possible weakness — creating a conflicted technical picture. Key support levels exist at 78.73, 78.03 & 77.29, with resistance at 80.17, 80.91 & 81.61.

Current SwingTradeBot Technical Rating of NGG: C

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National Grid Transco, PLC (NGG)