HorizontalSupportResistance is a multi-timeframe indicator designed to identify critical horizontal support and resistance levels across various markets including forex, indices, and stocks, with particular accuracy on the NASDAQ100. It visually highlights key price zones where the market tends to react, reverse, or accelerate, using clear candlestick representations and distinct level markings. The indicator supports trading strategies ranging from short-term scalping to longer-term position holding by providing anticipatory signals of potential price movements. It is suitable for use on multiple asset classes such as forex pairs (e.g., GBPUSD), stock indices, and equities, helping traders recognize important price levels to inform their decisions.