//@version=5
indicator("VolStrata Levels — SPY", overlay=true, max_lines_count=20, max_labels_count=20)
// VolStrata key dealer-gamma levels for SPY — snapshot as of Sep 15, 2026 · 12:52 PM ET.
// Auto-generated at volstrata.com · re-copy any time for fresh levels. Paste into TradingView → Pine Editor → Add to chart.

grp = "VolStrata Levels"
showLabels  = input.bool(true,  "Show labels",       group=grp)
extendRight = input.bool(true,  "Extend lines right", group=grp)
lookback    = input.int(300, "Line length (bars)", minval=10, group=grp)

f_level(price, txt, col) =>
    if not na(price) and barstate.islast
        x2 = extendRight ? extend.right : extend.none
        line.new(bar_index - lookback, price, bar_index, price, color=col, width=2, extend=x2)
        if showLabels
            label.new(bar_index, price, txt + "  " + str.tostring(price), style=label.style_label_left, textcolor=col, color=color.new(col, 85), size=size.small)

f_level(764.0, "Call Wall", color.new(#ef5350, 0))
f_level(760.0, "Put Wall", color.new(#26a69a, 0))
f_level(757.9066021359833, "Gamma Flip", color.new(#f4c542, 0))
f_level(761.0, "Max Pain", color.new(#b39ddb, 0))
f_level(757.53, "Spot", color.new(#8aa0b6, 40))