Weekly Tightness Near EMA//@version=6
indicator("Weekly Tightness Near EMA", overlay=true)
// ===========================
// INPUT PARAMETERS
// ===========================
tightness_pct = input.float(3.0, "Tightness % Range", minval=0.1, maxval=10.0)
ema_proximity_pct = input.float(5.0, "EMA Proximity %", minval=0.5, maxval=15.0)
small_candle_pct = input.float(5.0, "Small Candle % (body)", minval=0.5, maxval=10.0)
show_ema10 = input.bool(true, "Show 10 Week EMA")
show_ema20 = input.bool(true, "Show 20 Week EMA")
show_signals = input.bool(true, "Show Tightness Signals")
// ===========================
// GET WEEKLY DATA
// ===========================
weekly_close = request.security(syminfo.tickerid, "W", close, barmerge.gaps_off, barmerge.lookahead_off)
weekly_open = request.security(syminfo.tickerid, "W", open, barmerge.gaps_off, barmerge.lookahead_off)
weekly_high = request.security(syminfo.tickerid, "W", high, barmerge.gaps_off, barmerge.lookahead_off)
weekly_low = request.security(syminfo.tickerid, "W", low, barmerge.gaps_off, barmerge.lookahead_off)
weekly_close_1 = request.security(syminfo.tickerid, "W", close , barmerge.gaps_off, barmerge.lookahead_off)
weekly_open_1 = request.security(syminfo.tickerid, "W", open , barmerge.gaps_off, barmerge.lookahead_off)
weekly_high_1 = request.security(syminfo.tickerid, "W", high , barmerge.gaps_off, barmerge.lookahead_off)
weekly_low_1 = request.security(syminfo.tickerid, "W", low , barmerge.gaps_off, barmerge.lookahead_off)
weekly_close_2 = request.security(syminfo.tickerid, "W", close , barmerge.gaps_off, barmerge.lookahead_off)
weekly_open_2 = request.security(syminfo.tickerid, "W", open , barmerge.gaps_off, barmerge.lookahead_off)
weekly_high_2 = request.security(syminfo.tickerid, "W", high , barmerge.gaps_off, barmerge.lookahead_off)
weekly_low_2 = request.security(syminfo.tickerid, "W", low , barmerge.gaps_off, barmerge.lookahead_off)
// Weekly EMAs
weekly_ema10 = request.security(syminfo.tickerid, "W", ta.ema(close, 10), barmerge.gaps_off, barmerge.lookahead_off)
weekly_ema20 = request.security(syminfo.tickerid, "W", ta.ema(close, 20), barmerge.gaps_off, barmerge.lookahead_off)
// ===========================
// CALCULATE CANDLE SIZE
// ===========================
// Calculate body size (close - open) as percentage of price
candle_body_0 = math.abs(weekly_close - weekly_open)
candle_body_1 = math.abs(weekly_close_1 - weekly_open_1)
candle_body_2 = math.abs(weekly_close_2 - weekly_open_2)
candle_body_pct_0 = (candle_body_0 / weekly_close) * 100
candle_body_pct_1 = (candle_body_1 / weekly_close_1) * 100
candle_body_pct_2 = (candle_body_2 / weekly_close_2) * 100
// Calculate full range (high - low) as percentage
candle_range_0 = weekly_high - weekly_low
candle_range_1 = weekly_high_1 - weekly_low_1
candle_range_2 = weekly_high_2 - weekly_low_2
candle_range_pct_0 = (candle_range_0 / weekly_close) * 100
candle_range_pct_1 = (candle_range_1 / weekly_close_1) * 100
candle_range_pct_2 = (candle_range_2 / weekly_close_2) * 100
// Check if all 3 candles are small
small_candle_0 = candle_body_pct_0 <= small_candle_pct
small_candle_1 = candle_body_pct_1 <= small_candle_pct
small_candle_2 = candle_body_pct_2 <= small_candle_pct
all_candles_small = small_candle_0 and small_candle_1 and small_candle_2
// Average candle body size
avg_candle_body = (candle_body_pct_0 + candle_body_pct_1 + candle_body_pct_2) / 3
avg_candle_range = (candle_range_pct_0 + candle_range_pct_1 + candle_range_pct_2) / 3
// ===========================
// CALCULATE TIGHTNESS
// ===========================
// Find highest and lowest of last 3 weekly closes
highest_close = math.max(weekly_close, weekly_close_1, weekly_close_2)
lowest_close = math.min(weekly_close, weekly_close_1, weekly_close_2)
// Calculate range percentage
close_range_pct = ((highest_close - lowest_close) / lowest_close) * 100
// Check if within tightness range
is_tight = close_range_pct <= tightness_pct
// ===========================
// CHECK PROXIMITY TO EMAs
// ===========================
// Distance from EMAs
dist_from_ema10_pct = math.abs((weekly_close - weekly_ema10) / weekly_ema10) * 100
dist_from_ema20_pct = math.abs((weekly_close - weekly_ema20) / weekly_ema20) * 100
// Near EMA conditions
near_ema10 = dist_from_ema10_pct <= ema_proximity_pct
near_ema20 = dist_from_ema20_pct <= ema_proximity_pct
near_any_ema = near_ema10 or near_ema20
// ===========================
// COMBINED SIGNAL (with small candles filter)
// ===========================
tightness_signal = is_tight and near_any_ema and all_candles_small
// ===========================
// PLOT EMAs
// ===========================
plot(show_ema10 ? weekly_ema10 : na, "10 Week EMA", color=color.new(color.blue, 0), linewidth=2)
plot(show_ema20 ? weekly_ema20 : na, "20 Week EMA", color=color.new(color.orange, 0), linewidth=2)
// ===========================
// PLOT SIGNALS
// ===========================
// Background color when tight and near EMA
bgcolor(show_signals and tightness_signal ? color.new(color.green, 90) : na, title="Tightness Signal")
// Plot signal markers
plotshape(show_signals and tightness_signal and not tightness_signal ,
title="Tightness Start",
location=location.belowbar,
color=color.new(color.green, 0),
style=shape.triangleup,
size=size.small,
text="TIGHT")
// ===========================
// DISPLAY TABLE
// ===========================
var table info_table = table.new(position.top_right, 2, 9,
border_width=1,
border_color=color.gray,
frame_width=1,
frame_color=color.gray)
if barstate.islast
// Header
table.cell(info_table, 0, 0, "Weekly Analysis", bgcolor=color.new(color.gray, 70), text_color=color.white, text_size=size.normal)
table.cell(info_table, 1, 0, "Status", bgcolor=color.new(color.gray, 70), text_color=color.white, text_size=size.normal)
// Average candle body size
candle_color = all_candles_small ? color.new(color.green, 85) : color.new(color.red, 85)
table.cell(info_table, 0, 1, "Avg Candle Body", bgcolor=candle_color, text_color=color.white, text_halign=text.align_left)
table.cell(info_table, 1, 1, str.tostring(avg_candle_body, "#.##") + "%", bgcolor=candle_color, text_color=color.white)
// Small candle threshold
table.cell(info_table, 0, 2, "Small Candle <", bgcolor=color.new(color.gray, 90), text_color=color.white, text_halign=text.align_left)
table.cell(info_table, 1, 2, str.tostring(small_candle_pct, "#.#") + "%", bgcolor=color.new(color.gray, 90), text_color=color.white)
// 3 Week Close Tightness
tight_color = is_tight ? color.new(color.green, 85) : color.new(color.red, 85)
table.cell(info_table, 0, 3, "3W Close Range", bgcolor=tight_color, text_color=color.white, text_halign=text.align_left)
table.cell(info_table, 1, 3, str.tostring(close_range_pct, "#.##") + "%", bgcolor=tight_color, text_color=color.white)
// Tightness threshold
table.cell(info_table, 0, 4, "Threshold", bgcolor=color.new(color.gray, 90), text_color=color.white, text_halign=text.align_left)
table.cell(info_table, 1, 4, "<" + str.tostring(tightness_pct, "#.#") + "%", bgcolor=color.new(color.gray, 90), text_color=color.white)
// Distance from 10W EMA
ema10_color = near_ema10 ? color.new(color.blue, 85) : color.new(color.gray, 85)
table.cell(info_table, 0, 5, "From 10W EMA", bgcolor=ema10_color, text_color=color.white, text_halign=text.align_left)
table.cell(info_table, 1, 5, str.tostring(dist_from_ema10_pct, "#.##") + "%", bgcolor=ema10_color, text_color=color.white)
// Distance from 20W EMA
ema20_color = near_ema20 ? color.new(color.orange, 85) : color.new(color.gray, 85)
table.cell(info_table, 0, 6, "From 20W EMA", bgcolor=ema20_color, text_color=color.white, text_halign=text.align_left)
table.cell(info_table, 1, 6, str.tostring(dist_from_ema20_pct, "#.##") + "%", bgcolor=ema20_color, text_color=color.white)
// Near EMA status
near_ema_color = near_any_ema ? color.new(color.green, 85) : color.new(color.red, 85)
near_ema_text = near_any_ema ? "✓ NEAR" : "✗ Far"
table.cell(info_table, 0, 7, "Near EMA", bgcolor=near_ema_color, text_color=color.white, text_halign=text.align_left)
table.cell(info_table, 1, 7, near_ema_text, bgcolor=near_ema_color, text_color=color.white)
// Combined signal
signal_color = tightness_signal ? color.new(color.lime, 70) : color.new(color.gray, 85)
signal_text = tightness_signal ? "🎯 SETUP!" : "No Setup"
table.cell(info_table, 0, 8, "SIGNAL", bgcolor=signal_color, text_color=color.white, text_halign=text.align_left, text_size=size.large)
table.cell(info_table, 1, 8, signal_text, bgcolor=signal_color, text_color=color.white, text_size=size.large)
// ===========================
// ALERTS
// ===========================
alertcondition(tightness_signal and not tightness_signal ,
title="Tightness Setup Alert",
message="Weekly setup detected: Small candles, tight closes, near EMA!")
Pine Script®指标
