Vertical panes

analysis "Delta at Price" {
    pane  = vpane
    width = 150
}
/// Order flow on the price axis: buy and sell volume of every bar (the chart's real buy / sell
/// volume when it supplies it, else bulk volume classification) spread over the bar's range and
/// summed by price over the visible bars, plus a second pane with the net delta at each close.
rows = param.int(48, title = "Rows", min = 8, max = 200)
win  = param.int(20, title = "Classification window", min = 5, max = 200)
(buy, sell, imb) = hft.flow(win)
render.vpane.histogram(buy, value2 = sell, low = low, high = high, rows = rows, title = "Buy | Sell",
                       color = color.emerald.400, color2 = color.rose.500)
render.vpane.histogram(buy - sell, price = close, rows = rows, title = "Net delta",
                       color = color.teal.400, color2 = color.red.500, show_poc = false)

analysis "Momentum at Price" {
    pane  = vpane
    width = 120
}
/// Average RSI of the bars that closed in each price row: where buyers (high) or sellers (low)
/// were in control. The window is the last 1000 bars, so the pane follows the live market.
len  = param.int(14, title = "RSI length", min = 2, max = 100)
r = ta.rsi(close, len)
render.vpane.histogram(r - 50, price = close, aggregate = "mean", period = "bars", bars = 1000,
                       rows = 40, title = "RSI - 50", color = color.lime.400, color2 = color.orange.500, show_poc = false)

analysis "Profile Columns" {
    pane = vpane
}
/// The chart's own price-axis profiles next to each other: visible-range volume with point of
/// control and value area, a market profile (TPO) of the session, and time spent at each price.
/// VWAP stays on the price pane for reference.
va = param.float(0.7, title = "Value area", min = 0.5, max = 0.95, step = 0.05)
render.vpane.profile(kind = "volume", value_area = va, width = 130, title = "VPVR")
render.vpane.profile(kind = "tpo", width = 120, title = "TPO")
render.vpane.profile(kind = "time_at_price", width = 90, title = "Time")
(vw, _, _) = ta.vwap(bar.typical)
render.line(vw, "VWAP", color = color.amber.400, width = 2)

analysis "Volatility & Rejection at Price" {
    pane  = vpane
    width = 150
}
/// Where the market is violent and where it is rejected. The first pane spreads each bar's true
/// range over its high-low range and sums it by price, so wide-range areas stand out. The second
/// pane sums the wick volume of each bar over its upper wick (sellers rejecting, red) and lower
/// wick (buyers rejecting, green).
rows = param.int(60, title = "Rows", min = 10, max = 200)

tr = ta.true_range()
render.vpane.histogram(tr, low = low, high = high, rows = rows, period = "bars", bars = 400, title = "Range at price",
                       color = color.violet.400, poc_color = color.amber.300)
rng = math.max(high - low, 1e-12)
up_w = volume * (high - math.max(open, close)) / rng
dn_w = volume * (math.min(open, close) - low) / rng
render.vpane.histogram(dn_w, value2 = up_w, low = low, high = high, rows = rows, period = "bars", bars = 400,
                       title = "Wick rejection", color = color.emerald.400, color2 = color.rose.500, show_poc = false)