本页源码来自 TradingView 公开发布的开源脚本，版权归原作者所有， 请遵循其原始许可（Pine 脚本常见 CC BY-NC-SA / MPL-2.0 / MIT）。 本项目仅用于研究检索与许可范围内的移植。
//@version=6
indicator("Session Sweeps Pro | GainzAlgo", overlay = true, max_boxes_count = 500, max_lines_count = 100, max_bars_back = 5000)
// rbg colours
int r1 = 0, g1 = 242, b1 = 255
int r2 = 255, g2 = 0, b2 = 255
// ui
group_hud = "Profile Settings"
session_type = input.string("Daily", "Session Period", options = ["Daily", "Weekly", "Monthly"], group=group_hud)
num_rows = input.int(40, "Rows", minval = 10, maxval = 100, group=group_hud)
glow_width = input.int(40, "Glow Width", minval = 5, maxval = 100, group=group_hud)
group_sweeps = "Sweep S/R Logic"
lookback_p = input.int(1000, "Historical Lookback", minval = 100, group=group_sweeps)
risk_threshold = input.int(75, "Risk Score Threshold (%)", group=group_sweeps)
ghost_opacity = input.int(85, "Ghost S/R Transparency", minval = 0, maxval = 100, group=group_sweeps)
group_extra = "Supplemental Features"
poc_alert_prox = input.float(0.1, "POC Alert Proximity (%)", group=group_extra)
// array initalize
type SweepEvent
float price
float top
float bot
int startTime
bool isBearish
box ghostBox
label retestLabel
int retestCount = 0
bool wasRetested = false
bool isBroken = false
var sweep_history = array.new<SweepEvent>()
var float s_max = 0.0
var float s_min = 0.0
var int s_start_time = 0
var float[] sweep_prices = array.new_float()
//sessions
bool is_new = switch session_type
"Daily" => timeframe.change("D")
"Weekly" => timeframe.change("W")
"Monthly" => timeframe.change("M")
if is_new
array.clear(sweep_prices)
s_max := high
s_min := low
s_start_time := time
else
s_max := math.max(s_max, high)
s_min := math.min(s_min, low)
//R:R
f_get_risk_score() =>
float atr = ta.atr(14)
float std = ta.stdev(close, 10)
na(atr) or atr == 0 ? 50.0 : math.max(0.0, math.min(100.0, 100.0 - (std / atr) * 50.0))
ph = ta.pivothigh(high, 20, 20)
pl = ta.pivotlow(low, 20, 20)
atr = ta.atr(14)
f_is_overlapping(new_price) =>
bool overlap = false
if array.size(sweep_history) > 0
for i = 0 to array.size(sweep_history) - 1
if math.abs(array.get(sweep_history, i).price - new_price) < (atr * 1.5)
overlap := true
break
overlap
var int session_zones = 0
var int total_retests = 0
var int held_zones = 0
var int broken_zones = 0
if is_new
session_zones := 0
total_retests := 0
held_zones := 0
broken_zones := 0
if not na(ph) and not f_is_overlapping(high[20])
float top = high[20] + (atr*0.2), float bot = high[20]
c = color.rgb(r2, g2, b2, ghost_opacity)
gb = box.new(bar_index[20], top, bar_index, bot, bgcolor=c, border_color=color.new(c, 70))
lb = label.new(bar_index, high[20], "", color=color.new(color.black, 100), textcolor=color.white, size=size.tiny)
sweep_history.push(SweepEvent.new(high[20], top, bot, s_start_time, true, gb, lb))
array.push(sweep_prices, high[20])
label.new(bar_index[20], high[20], "▼", style=label.style_label_down, color=color.new(color.red, 20), textcolor=color.white, size=size.tiny)
alert("New Bearish Sweep Detected at " + str.tostring(high[20]), alert.freq_once_per_bar)
if not na(pl) and not f_is_overlapping(low[20])
float top = low[20], float bot = low[20] - (atr*0.2)
c = color.rgb(r1, g1, b1, ghost_opacity)
gb = box.new(bar_index[20], top, bar_index, bot, bgcolor=c, border_color=color.new(c, 70))
lb = label.new(bar_index, low[20], "", color=color.new(color.black, 100), textcolor=color.white, size=size.tiny)
sweep_history.push(SweepEvent.new(low[20], top, bot, s_start_time, false, gb, lb))
array.push(sweep_prices, low[20])
label.new(bar_index[20], low[20], "▲", style=label.style_label_up, color=color.new(color.green, 20), textcolor=color.white, size=size.tiny)
alert("New Bullish Sweep Detected at " + str.tostring(low[20]), alert.freq_once_per_bar)
if array.size(sweep_history) > 0
for i = 0 to array.size(sweep_history) - 1
SweepEvent s = array.get(sweep_history, i)
bool in_session = s.startTime == s_start_time
if in_session
session_zones += 1
if not s.isBroken
box.set_right(s.ghostBox, bar_index)
label.set_x(s.retestLabel, bar_index)
bool touching = high >= s.bot and low <= s.top
if touching and not s.wasRetested
s.retestCount += 1
s.wasRetested := true
total_retests += 1
label.new(bar_index, s.price, "↺", style=label.style_label_center, color=color.new(color.yellow, 20), textcolor=color.white, size=size.tiny)
alert("Zone Re-touch: Price returned to sweep at " + str.tostring(s.price))
else if not touching
s.wasRetested := false
// Break Logic
if (s.isBearish and close > s.top) or (not s.isBearish and close < s.bot)
s.isBroken := true
broken_zones += in_session ? 1 : 0
else
held_zones += in_session ? 1 : 0
if s.retestCount > 0
label.set_text(s.retestLabel, "R:" + str.tostring(s.retestCount))
// stats
if barstate.islast and array.size(sweep_prices) > 0
for b in box.all
if box.get_left(b) > bar_index
box.delete(b)
for l in line.all
line.delete(l)
for lb in label.all
if label.get_x(lb) > bar_index
label.delete(lb)
float range_size = s_max - s_min
float step = range_size / num_rows
float[] counts = array.new_float(num_rows, 0.0)
for p in sweep_prices
int bin = math.min(num_rows - 1, int((p - s_min) / step))
if bin >= 0
array.set(counts, bin, array.get(counts, bin) + 1)
float cumulative = 0.0
float max_freq = array.max(counts)
int poc_bin = 0
for i = 0 to num_rows - 1
float freq = array.get(counts, i) / array.size(sweep_prices)
if array.get(counts, i) == max_freq
poc_bin := i
cumulative += freq
float p_low = s_min + (i * step)
float p_high = p_low + step
int r = int(r1 + (r2 - r1) * cumulative)
int g = int(g1 + (g2 - g1) * cumulative)
int b = int(b1 + (b2 - b1) * cumulative)
color dyn_color = color.rgb(r, g, b)
box current_box = box.new(bar_index + 2, p_high, bar_index + 2 + int(cumulative * glow_width), p_low,
bgcolor=color.new(dyn_color, 70), border_color=color.new(dyn_color, 90))
float perc = cumulative * 100
if perc % 15 <= 2 or perc >= 98
box.set_text(current_box, str.format("{0,number,#}%", perc))
box.set_text_size(current_box, size.tiny)
box.set_text_color(current_box, dyn_color)
box.set_text_halign(current_box, text.align_left)
float poc_price = s_min + (poc_bin + 0.5) * step
line.new(s_start_time, poc_price, time + (glow_width * 50000), poc_price,
color=color.yellow, width=3, style=line.style_dashed, xloc=xloc.bar_time)
label.new(time + (glow_width * 60000), poc_price, "⬥ SWEEP POC",
color=color.new(color.black, 100), textcolor=color.yellow, style=label.style_label_left, size=size.normal, xloc=xloc.bar_time)
if math.abs(close - poc_price) / poc_price <= (poc_alert_prox / 100)
alert("Price approaching Session Sweep POC", alert.freq_once_per_bar)
// stats table
var table risk_tab = table.new(position.top_right, 2, 5, bgcolor=color.rgb(5, 5, 20, 10), border_width=1, border_color=color.rgb(80, 80, 180))
if barstate.islast
rs = f_get_risk_score(), rc = rs > risk_threshold ? color.red : color.green
table.cell(risk_tab, 0, 0, "SWEEP RISK", text_color=color.rgb(160,160,255), text_size=size.small)
table.cell(risk_tab, 1, 0, str.tostring(math.round(rs)) + "%", text_color=rc, text_size=size.large)
table.cell(risk_tab, 0, 1, "HISTORIC", text_color=color.rgb(160,160,255), text_size=size.small)
table.cell(risk_tab, 1, 1, str.tostring(array.size(sweep_history)), text_color=color.white)
table.cell(risk_tab, 0, 2, "SESSION", text_color=color.rgb(160,160,255), text_size=size.small)
table.cell(risk_tab, 1, 2, str.tostring(session_zones), text_color=color.white)
table.cell(risk_tab, 0, 3, "RETESTS", text_color=color.rgb(160,160,255), text_size=size.small)
table.cell(risk_tab, 1, 3, str.tostring(total_retests), text_color=color.white)
table.cell(risk_tab, 0, 4, "HOLD/BRK", text_color=color.rgb(160,160,255), text_size=size.small)
table.cell(risk_tab, 1, 4, str.tostring(held_zones) + "/" + str.tostring(broken_zones), text_color=color.white)
if barstate.islast and array.size(sweep_prices) > 0
for b in box.all
if box.get_left(b) > bar_index
box.delete(b)
for l in line.all
line.delete(l)
for lb in label.all
if label.get_x(lb) > bar_index
label.delete(lb)
// Binning & Frequency Logic
float range_size = s_max - s_min
float step = range_size / num_rows
float[] counts = array.new_float(num_rows, 0.0)
for p in sweep_prices
int bin = math.min(num_rows - 1, int((p - s_min) / step))
if bin >= 0
array.set(counts, bin, array.get(counts, bin) + 1)
float cumulative = 0.0
float max_freq = array.max(counts)
int poc_bin = 0
for i = 0 to num_rows - 1
float freq = array.get(counts, i) / array.size(sweep_prices)
if array.get(counts, i) == max_freq
poc_bin := i
cumulative += freq
float p_low = s_min + (i * step)
float p_high = p_low + step
color dyn_color = color.rgb(int(r1 + (r2 - r1) * cumulative), int(g1 + (g2 - g1) * cumulative), int(b1 + (b2 - b1) * cumulative))
box current_box = box.new(bar_index + 2, p_high, bar_index + 2 + int(cumulative * glow_width), p_low, bgcolor=color.new(dyn_color, 70), border_color=color.new(dyn_color, 90))
// HUD Labels
float perc = cumulative * 100
if perc % 15 <= 2 or perc >= 98
box.set_text(current_box, str.format("{0,number,#}%", perc))
box.set_text_size(current_box, size.tiny)
box.set_text_color(current_box, dyn_color)
box.set_text_halign(current_box, text.align_left)
float poc_price = s_min + (poc_bin + 0.5) * step
line.new(s_start_time, poc_price, time + (glow_width * 50000), poc_price,
color=color.yellow, width=3, style=line.style_dashed, xloc=xloc.bar_time)
label.new(time + (glow_width * 60000), poc_price, "⬥ SWEEP POC",
color=color.new(color.black, 100), textcolor=color.yellow, style=label.style_label_left, size=size.normal, xloc=xloc.bar_time)
// Supplemental Alert Logic
bool approaching_poc = math.abs(close - poc_price) / poc_price <= 0.001
bool hit_poc = ta.cross(close, poc_price)
if approaching_poc
alert("Price is approaching the Session POC", alert.freq_once_per_bar)
if hit_poc
alert("POC Hit at " + str.tostring(close), alert.freq_once_per_bar)