The Market Session indicator visually delineates major global trading sessions on financial charts, supporting the Asian (Tokyo), London, New York, and Frankfurt sessions. Designed for forex and other markets including cryptocurrencies, it displays each session as colored rectangles with customizable session names. The indicator features horizontal lines marking session high, low, and mid levels, which can be extended according to user settings. Users can adjust session times, transparency, line thickness, and the number of days displayed (default is three). Additionally, it includes a customizable New York Open (NYO) line with adjustable time, color, style, and thickness. This tool aids traders in analyzing market activity by clearly identifying key trading periods and price levels associated with each session.