IQ_WIKI_SCRIP_V1.0.1

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-- SPDX-License-Identifier: MIT
-- IQOptionWiki QCS Library
-- IQ_WIKI_SCRIP_V1.0.1
--
-- A chart-timeframe confluence indicator built from five readable filters:
--   1. EMA trend alignment and slope
--   2. RSI momentum confirmation without chasing extremes
--   3. ADX/DMI directional strength
--   4. ATR activity compared with its recent baseline
--   5. Candle direction plus an ATR extension guard
--
-- LONG and SHORT markers use the previous completed candle. They appear after
-- the next candle begins and are shifted back one bar onto the candle that
-- qualified. This avoids making a marker depend on an unfinished candle.
--
-- This indicator does not place trades, choose an expiry, predict outcomes, or
-- guarantee results. Review the settings and test on a Practice balance first.

instrument {
    name = "IQ_WIKI_SCRIP_V1.0.1",
    short_name = "IQ WIKI PRO",
    icon = "indicators:ADX",
    overlay = true
}

input_group {
    "1. Trend engine",
    fast_period = input (9, "Fast EMA period", input.integer, 2, 100),
    slow_period = input (21, "Slow EMA period", input.integer, 3, 250),
    anchor_period = input (50, "Trend anchor EMA period", input.integer, 5, 500)
}

input_group {
    "2. Momentum filter",
    rsi_period = input (14, "RSI period", input.integer, 2, 100),
    momentum_level = input (52, "RSI confirmation level", input.double, 51, 64, 1, false),
    momentum_cap = input (68, "RSI extreme guard", input.double, 65, 85, 1, false)
}

input_group {
    "3. Strength filter",
    strength_period = input (14, "ADX and DMI period", input.integer, 2, 100),
    strength_threshold = input (20, "Minimum ADX strength", input.double, 1, 60, 1, false)
}

input_group {
    "4. Volatility filter",
    atr_period = input (14, "ATR period", input.integer, 2, 100),
    volatility_baseline_period = input (20, "ATR baseline EMA period", input.integer, 2, 200),
    minimum_volatility_percent = input (85, "Minimum volatility vs baseline (%)", input.double, 10, 300, 5, false)
}

input_group {
    "5. Price quality filter",
    maximum_extension_atr = input (1.25, "Maximum close-to-fast-EMA distance (ATR)", input.double, 0.10, 5.00, 0.05, false)
}

input_group {
    "Display",
    trend_lines_visible = input { default = true, type = input.plot_visibility },
    anchor_visible = input { default = true, type = input.plot_visibility },
    ribbon_visible = input { default = true, type = input.plot_visibility },
    volatility_guide_visible = input { default = false, type = input.plot_visibility },
    signals_visible = input { default = true, type = input.plot_visibility }
}

input_group {
    "Trend colors",
    fast_color = input { default = "#56CEFF", type = input.color },
    slow_color = input { default = "#FFB15A", type = input.color },
    anchor_color = input { default = rgba(255, 255, 255, 0.48), type = input.color },
    trend_line_width = input { default = 2, type = input.line_width },
    anchor_line_width = input { default = 1, type = input.line_width }
}

input_group {
    "Ribbon colors",
    bullish_ribbon_color = input { default = rgba(37, 225, 84, 0.14), type = input.color },
    bearish_ribbon_color = input { default = rgba(255, 108, 88, 0.14), type = input.color },
    neutral_ribbon_color = input { default = rgba(255, 255, 255, 0.05), type = input.color }
}

input_group {
    "Signal colors",
    long_signal_color = input { default = "#25E154", type = input.color },
    short_signal_color = input { default = "#FF6C58", type = input.color },
    signal_text_color = input { default = "#FFFFFF", type = input.color }
}

input_group {
    "Optional volatility guide",
    volatility_guide_atr = input (1.50, "Guide distance (ATR)", input.double, 0.10, 10.00, 0.10, false),
    volatility_guide_color = input { default = rgba(181, 140, 255, 0.28), type = input.color },
    volatility_guide_width = input { default = 1, type = input.line_width }
}

-- Trend engine
fast_ema = ema (close, fast_period)
slow_ema = ema (close, slow_period)
anchor_ema = ema (close, anchor_period)

-- RSI momentum filter using the documented built-in.
rsi_value = rsi (close, rsi_period)

-- ADX/DMI strength filter.
up_move = change (high)
down_move = -change (low)
positive_dm = iff (up_move > down_move and nz (up_move) > 0, up_move, 0)
negative_dm = iff (down_move > up_move and nz (down_move) > 0, down_move, 0)
directional_atr = rma (tr, strength_period)
directional_atr_safe = max (directional_atr, 0.0000000001)
positive_di = 100 * rma (positive_dm / directional_atr_safe, strength_period)
negative_di = 100 * rma (negative_dm / directional_atr_safe, strength_period)
dmi_sum_safe = max (positive_di + negative_di, 0.0000000001)
adx_value = 100 * rma (abs (positive_di - negative_di) / dmi_sum_safe, strength_period)

-- ATR activity filter and optional visual guide.
atr_value = rma (tr, atr_period)
atr_baseline = ema (atr_value, volatility_baseline_period)
volatility_guide_upper = slow_ema + atr_value * volatility_guide_atr
volatility_guide_lower = slow_ema - atr_value * volatility_guide_atr

-- Read current scalar values explicitly before using them in Lua conditions.
local close_now = get_value (close, 0)
local open_now = get_value (open, 0)
local fast_now = get_value (fast_ema, 0)
local slow_now = get_value (slow_ema, 0)
local slow_previous = get_value (slow_ema [1], 0)
local anchor_now = get_value (anchor_ema, 0)
local anchor_previous = get_value (anchor_ema [1], 0)
local rsi_now = get_value (rsi_value, 50)
local positive_di_now = get_value (positive_di, 0)
local negative_di_now = get_value (negative_di, 0)
local adx_now = get_value (adx_value, 0)
local atr_now = get_value (atr_value, 0)
local atr_baseline_now = get_value (atr_baseline, 0)
local warmup_anchor = get_value (anchor_ema [anchor_period], 0)
local warmup_strength = get_value (adx_value [strength_period], -1)
local warmup_volatility = get_value (atr_baseline [volatility_baseline_period], 0)

local periods_are_valid =
    fast_period < slow_period and
    slow_period < anchor_period and
    momentum_level > 50 and
    momentum_cap > momentum_level

local data_is_ready =
    periods_are_valid and
    close_now > 0 and
    fast_now > 0 and
    slow_now > 0 and
    anchor_now > 0 and
    atr_now > 0 and
    atr_baseline_now > 0 and
    warmup_anchor > 0 and
    warmup_strength >= 0 and
    warmup_volatility > 0

local bullish_trend =
    fast_now > slow_now and
    slow_now > anchor_now and
    slow_now > slow_previous and
    anchor_now > anchor_previous

local bearish_trend =
    fast_now < slow_now and
    slow_now < anchor_now and
    slow_now < slow_previous and
    anchor_now < anchor_previous

local bullish_momentum =
    rsi_now >= momentum_level and
    rsi_now <= momentum_cap

local bearish_momentum =
    rsi_now <= (100 - momentum_level) and
    rsi_now >= (100 - momentum_cap)

local bullish_strength =
    adx_now >= strength_threshold and
    positive_di_now > negative_di_now

local bearish_strength =
    adx_now >= strength_threshold and
    negative_di_now > positive_di_now

local volatility_is_active =
    atr_now >= atr_baseline_now * minimum_volatility_percent / 100

local bullish_price_quality =
    close_now > open_now and
    close_now > fast_now and
    (close_now - fast_now) <= atr_now * maximum_extension_atr

local bearish_price_quality =
    close_now < open_now and
    close_now < fast_now and
    (fast_now - close_now) <= atr_now * maximum_extension_atr

-- conditional() stores each bar's boolean so completed-bar history is usable.
long_setup = conditional (
    data_is_ready and
    bullish_trend and
    bullish_momentum and
    bullish_strength and
    volatility_is_active and
    bullish_price_quality
)

short_setup = conditional (
    data_is_ready and
    bearish_trend and
    bearish_momentum and
    bearish_strength and
    volatility_is_active and
    bearish_price_quality
)

-- Confirm only a new setup on the previous completed candle. Indexed
-- series[boolean] values are converted to Lua booleans before native and/not.
-- Offset -1 places the marker on that candle after the current candle opens.
confirmed_long_setup = conditional (
    get_value (long_setup [1], false) and
    not get_value (long_setup [2], false)
)

confirmed_short_setup = conditional (
    get_value (short_setup [1], false) and
    not get_value (short_setup [2], false)
)

-- Clean trend context.
ribbon_color = iff (
    fast_ema > slow_ema,
    bullish_ribbon_color,
    iff (fast_ema < slow_ema, bearish_ribbon_color, neutral_ribbon_color)
)

if ribbon_visible then
    fill (fast_ema, slow_ema, "Trend ribbon", ribbon_color)
end

if trend_lines_visible then
    plot (fast_ema, "Fast EMA", fast_color, trend_line_width)
    plot (slow_ema, "Slow EMA", slow_color, trend_line_width)
end

if anchor_visible then
    plot (anchor_ema, "Trend anchor EMA", anchor_color, anchor_line_width)
end

if volatility_guide_visible then
    plot (volatility_guide_upper, "Upper ATR guide", volatility_guide_color, volatility_guide_width)
    plot (volatility_guide_lower, "Lower ATR guide", volatility_guide_color, volatility_guide_width)
end

if signals_visible then
    plot_shape (
        confirmed_long_setup,
        "Confirmed LONG setup",
        shape_style.triangleup,
        shape_size.small,
        long_signal_color,
        shape_location.belowbar,
        -1,
        "LONG",
        signal_text_color
    )

    plot_shape (
        confirmed_short_setup,
        "Confirmed SHORT setup",
        shape_style.triangledown,
        shape_size.small,
        short_signal_color,
        shape_location.abovebar,
        -1,
        "SHORT",
        signal_text_color
    )
end