james S/R Trend Pro v6

//version=6
strategy("james S/R Trend Pro v6", overlay=true,
initial_capital=10000,
default_qty_type=strategy.percent_of_equity,
default_qty_value=100,
commission_type=strategy.commission.percent,
commission_value=0.05,
slippage=1)

// --- 사용자 입력 (Inputs) ---
group_date = "1. 백테스트 기간"
start_date = input.time(timestamp("2024-01-01 00:00:00"), "시작일", group=group_date)
end_date = input.time(timestamp("2026-12-31 23:59:59"), "종료일", group=group_date)
is_within_date = time >= start_date and time <= end_date

group_main = "2. 지표 설정 (S/R & Trend)"
lookback_sr = input.int(15, "지지/저항 탐색 기간", minval=5, group=group_main)
atr_period = input.int(14, "ATR 기간", group=group_main)
atr_mult = input.float(3.5, "추세선 민감도", step=0.1, group=group_main)

group_color = "3. 다크모드 색상 설정"
trend_up_color = input.color(color.rgb(200, 200, 200), "상승 추세선 (밝은 회색)", group=group_color)
trend_down_color = input.color(color.rgb(255, 255, 255), "하락 추세선 (흰색)", group=group_color)
res_color = input.color(#ff1100, "저항선 (네온 레드)", group=group_color)
sup_color = input.color(#00e1ff, "지지선 (네온 사이언)", group=group_color)

// --- 데이터 처리 (Calculations) ---
// 1. 추세선 (검은색 배경용 고대비 설정)
[trend_line, direction] = ta.supertrend(atr_mult, atr_period)

// 2. 지지/저항선 (피벗 기반)
ph = ta.pivothigh(high, lookback_sr, lookback_sr)
pl = ta.pivotlow(low, lookback_sr, lookback_sr)

var float res_line = na
var float sup_line = na
if not na(ph)
res_line := high[lookback_sr]
if not na(pl)
sup_line := low[lookback_sr]

// --- 전략 로직 (Condition) ---
long_condition = direction < 0 and ta.crossover(close, sup_line)
short_condition = direction > 0 and ta.crossunder(close, res_line)

// --- 주문 실행 (Execution) ---
if is_within_date
if long_condition
strategy.entry("Long", strategy.long, comment="BUY")

if short_condition
strategy.entry("Short", strategy.short, comment="SHORT")

// 청산 로직
if strategy.position_size > 0
strategy.exit("TP-L", "Long", limit=res_line, qty_percent=50, comment="분할익절")
if ta.crossunder(close, trend_line)
strategy.close("Long", comment="추세이탈")

if strategy.position_size < 0
strategy.exit("TP-S", "Short", limit=sup_line, qty_percent=50, comment="분할익절")
if ta.crossover(close, trend_line)
strategy.close("Short", comment="추세이탈")

// --- 시각화 (Visualization - 다크 모드 최적화) ---
// 1. 추세선: 검은 배경에서 잘 보이도록 하얀색/회색 계열 사용
plot(trend_line, color=direction < 0 ? trend_up_color : trend_down_color, linewidth=2, title="Trend Line")

// 2. 지지/저항선: 네온 컬러로 시인성 극대화
plot(res_line, color=color.new(res_color, 0), style=plot.style_linebr, linewidth=2, title="Resistance")
plot(sup_line, color=color.new(sup_color, 0), style=plot.style_linebr, linewidth=2, title="Support")

// 3. 진입 시그널 라벨
plotshape(long_condition, style=shape.triangleup, location=location.belowbar, color=sup_color, size=size.small, title="Buy Label")
plotshape(short_condition, style=shape.triangledown, location=location.abovebar, color=res_color, size=size.small, title="Short Label")

// 4. 추세 배경색 (매우 옅게 설정하여 캔들을 방해하지 않음)
fill_color = direction < 0 ? color.new(sup_color, 90) : color.new(res_color, 90)
fill(plot(trend_line), plot(close), color=fill_color, title="Trend Fill")