OptionalbuyOptionalbuyButton labels. Default BUY / SELL.
OptionalidStable id prefix; hit-tests emit ${id}:sell / ${id}:buy / ${id}:qty. Default trade.
OptionalmarginGap from the plot edges in media px. A number applies to both axes; pass
{ x, y } to offset independently (e.g. clear an OHLC legend at the top).
OptionalpositionCorner to dock to. Default top-left.
OptionalqtyQuantity shown in the centre chip (e.g. lots or absolute qty).
OptionalsellSell button color (defaults to the theme sell).
OptionalsellOptionalshowShow the price line above each label. Default true.
Buy button color (defaults to the theme
buy).