# indie:lang_version = 5 from indie import indicator, param, plot, source, level, line_style, SeriesF, MutSeriesF from indie.color import RED, GREEN, GRAY, AQUA, LIME, MAROON, TEAL, ORANGE, FUCHSIA, TRANSPARENT from indie.algorithms import Ema, Sma @indicator('Elliott Wave Oscillator Pro') @param.source('src', default=source.CLOSE, title='Source') @param.int('fast_length', default=5, min=1, title='Fast Length') @param.int('slow_length', default=35, min=1, title='Slow Length') @param.bool('use_sma', default=False, title='Use SMA instead of EMA') @param.bool('use_percent', default=False, title='Show as Percent of Price') @param.bool('show_signal', default=True, title='Show Signal Line') @param.int('signal_length', default=5, min=1, title='Signal Length') @param.bool('show_ac', default=False, title='Show Accelerator (AC)') @param.int('ac_length', default=5, min=1, title='AC Smoothing Length') @param.bool('show_saucer', default=True, title='Show Saucer Patterns') @param.bool('show_twin_peaks', default=True, title='Show Validated Twin Peaks') @param.int('twin_lookback', default=100, min=10, max=500, title='Twin Peaks Lookback') @param.int('twin_min_dist', default=5, min=3, max=50, title='Twin Peaks Min Distance') @plot.histogram(id='ewo', title='EWO') @plot.line(id='signal', title='Signal', color=AQUA, line_width=2) @plot.histogram(id='ac', title='Accelerator') @plot.marker(title='Saucer', style=plot.marker_style.CIRCLE, size=6) @plot.marker(title='Twin Peaks', style=plot.marker_style.LABEL, size=7) @level(value=0, title='Zero', line_color=GRAY, line_style=line_style.DASHED, line_width=1) def Main(self, src: SeriesF, fast_length: int, slow_length: int, use_sma: bool, use_percent: bool, show_signal: bool, signal_length: int, show_ac: bool, ac_length: int, show_saucer: bool, show_twin_peaks: bool, twin_lookback: int, twin_min_dist: int): # Calculate EWO fast_ema = Ema.new(src, fast_length) slow_ema = Ema.new(src, slow_length) fast_sma = Sma.new(src, fast_length) slow_sma = Sma.new(src, slow_length) fast_val = fast_sma[0] if use_sma else fast_ema[0] slow_val = slow_sma[0] if use_sma else slow_ema[0] diff = fast_val - slow_val ewo_value = (diff / src[0]) * 100 if use_percent else diff # Store EWO in series for further calculations ewo_series = MutSeriesF.new(ewo_value) # Determine histogram color (4-color scheme) ewo_prev = ewo_series[1] if len(ewo_series) > 1 else ewo_value is_rising = ewo_value > ewo_prev bar_color = LIME if ewo_value > 0 and is_rising else GREEN if ewo_value > 0 else MAROON if ewo_value < 0 and not is_rising else RED # Signal line (SMA of EWO) signal_line = Sma.new(ewo_series, signal_length) signal_val = signal_line[0] if show_signal else 0.0 signal_color = AQUA if show_signal else TRANSPARENT # Accelerator Oscillator (EWO - SMA(EWO)) ac_sma = Sma.new(ewo_series, ac_length) ac_value = ewo_value - ac_sma[0] ac_series = MutSeriesF.new(ac_value) ac_prev = ac_series[1] if len(ac_series) > 1 else ac_value ac_rising = ac_value > ac_prev ac_color = TEAL if ac_rising else ORANGE ac_display = ac_value if show_ac else 0.0 ac_final_color = ac_color if show_ac else TRANSPARENT # Saucer pattern detection saucer_color = TRANSPARENT saucer_val = 0.0 if show_saucer and len(ewo_series) > 2: prev1 = ewo_series[1] prev2 = ewo_series[2] # Bullish Saucer: above zero, was falling, now rising bullish_saucer = ewo_value > 0 and prev1 > 0 and prev2 > prev1 and ewo_value > prev1 # Bearish Saucer: below zero, was rising, now falling bearish_saucer = ewo_value < 0 and prev1 < 0 and prev2 < prev1 and ewo_value < prev1 if bullish_saucer: saucer_color = LIME saucer_val = ewo_value elif bearish_saucer: saucer_color = RED saucer_val = ewo_value # Validated Twin Peaks with Momentum Confirmation twin_color = TRANSPARENT twin_val = 0.0 twin_text = '' if show_twin_peaks and len(ewo_series) > twin_lookback and len(ac_series) > twin_lookback: # Check if current bar is a local extremum (need 2 bars on each side for confirmation) is_local_min = ewo_series[1] < ewo_series[2] and ewo_series[1] < ewo_series[0] is_local_max = ewo_series[1] > ewo_series[2] and ewo_series[1] > ewo_series[0] # Values at peak1 (current confirmed peak at index 1) peak2_ewo = ewo_series[1] peak2_ac = ac_series[1] # Bullish Twin Peaks: two lows below zero, second higher, momentum weakening if is_local_min and peak2_ewo < 0: # Search for previous local minimum for i in range(twin_min_dist, twin_lookback): # Check if bar i is a local minimum is_prev_min = ewo_series[i] < ewo_series[i-1] and ewo_series[i] < ewo_series[i+1] if is_prev_min and ewo_series[i] < 0: peak1_ewo = ewo_series[i] peak1_ac = ac_series[i] # Condition 1: Both peaks below zero (already checked) # Condition 2: Second peak higher than first (closer to zero) second_higher = peak2_ewo > peak1_ewo # Condition 3: Momentum deceleration (AC weakening) momentum_weakening = abs(peak2_ac) < abs(peak1_ac) # Condition 4: No zero-line cross between peaks zero_crossed = False for j in range(1, i): if ewo_series[j] >= 0: zero_crossed = True break if second_higher and momentum_weakening and not zero_crossed: twin_color = LIME twin_val = peak2_ewo twin_text = 'TP+' break # Bearish Twin Peaks: two highs above zero, second lower, momentum weakening if is_local_max and peak2_ewo > 0: # Search for previous local maximum for i in range(twin_min_dist, twin_lookback): # Check if bar i is a local maximum is_prev_max = ewo_series[i] > ewo_series[i-1] and ewo_series[i] > ewo_series[i+1] if is_prev_max and ewo_series[i] > 0: peak1_ewo = ewo_series[i] peak1_ac = ac_series[i] # Condition 1: Both peaks above zero (already checked) # Condition 2: Second peak lower than first (closer to zero) second_lower = peak2_ewo < peak1_ewo # Condition 3: Momentum deceleration (AC weakening) momentum_weakening = abs(peak2_ac) < abs(peak1_ac) # Condition 4: No zero-line cross between peaks zero_crossed = False for j in range(1, i): if ewo_series[j] <= 0: zero_crossed = True break if second_lower and momentum_weakening and not zero_crossed: twin_color = FUCHSIA twin_val = peak2_ewo twin_text = 'TP-' break return ( plot.Histogram(value=ewo_value, color=bar_color), plot.Line(value=signal_val, color=signal_color), plot.Histogram(value=ac_display, color=ac_final_color), plot.Marker(value=saucer_val, color=saucer_color), plot.Marker(value=twin_val, color=twin_color, text=twin_text) )