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https://github.com/mihakralj/QuanTAlib.git
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Miha Kralj
24e86d762a
- Updated BBWN, BBWP, CCV, CV, CVI, EWMA, GKV, HLV, HV, Jvolty, JVOLTYN, MASSI, NATR, RSV, RV, RVI, TR, UI, VOV, VR, YZV indicators with documentation links. - Added documentation links for Aberration, Acceleration Bands, Andrews' Pitchfork, Adaptive Price Zone, ATR Bands, Bollinger Bands, Center of Gravity, Donchian Channels, Decay Min-Max Channel, Detrended Synthetic Price, EACP, EBSW, HOMOD, Jurik Volatility Bands, Keltner Channel, MA Envelope, Min-Max Channel, Price Channel, Regression Channels, Standard Deviation Channel, Stoller Average Range Channel, Super Trend Bands, Ultimate Bands, Ultimate Channel, VWAP Bands, and VWAP with Standard Deviation Bands.
59 lines
2.2 KiB
Plaintext
59 lines
2.2 KiB
Plaintext
// The MIT License (MIT)
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// © mihakralj
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//@version=6
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indicator("TTM Trend", "TTM_TREND", overlay=true)
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//@function Calculates TTM Trend using 6-period moving average with color-coded trend
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//@param source Series to calculate TTM Trend from
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//@param period Lookback period for moving average
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//@returns Tuple [ttm_line, trend, strength] where trend is -1/0/1 and strength is percentage change
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ttm_trend(series float source, simple int period = 6) =>
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if period <= 0
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runtime.error("Period must be greater than 0")
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float alpha = 2.0 / (period + 1)
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var float ema = source
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var float ema_prev = source
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ema := alpha * (source - ema) + ema
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float trend = math.sign(ema - ema_prev)
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float strength = math.abs(ema - ema_prev) / math.max(ema_prev, 1e-10) * 100
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ema_prev := ema
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[ema, trend, strength]
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// ---------- Main loop ----------
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// Inputs
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i_period = input.int(6, "Period", minval=1)
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i_source = input.source(hlc3, "Source")
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i_show_strength = input.bool(true, "Show Trend Strength %")
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// Calculation
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[ttm_line, trend, strength] = ttm_trend(i_source, i_period)
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// Colors
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color up_color = color.new(color.green, 0)
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color down_color = color.new(color.red, 0)
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color neutral_color = color.new(color.gray, 50)
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color line_color = trend > 0 ? up_color : trend < 0 ? down_color : neutral_color
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// Plot
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plot(ttm_line, "TTM Trend", color=line_color, linewidth=3, style=plot.style_line)
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// Strength band (optional)
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float strength_multiplier = 0.01
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float upper_band = i_show_strength ? ttm_line + (ttm_line * strength * strength_multiplier) : na
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float lower_band = i_show_strength ? ttm_line - (ttm_line * strength * strength_multiplier) : na
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p1 = plot(upper_band, "Upper Strength", color=color.new(color.blue, 80), linewidth=1)
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p2 = plot(lower_band, "Lower Strength", color=color.new(color.blue, 80), linewidth=1)
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fill(p1, p2, color=color.new(color.blue, 90), title="Strength Band")
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// Optional: Plot trend change signals
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bool trend_change = trend != nz(trend[1], 0) and bar_index > 0
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plotshape(trend_change and trend > 0, "Up", shape.triangleup, location.belowbar, color=up_color, size=size.tiny)
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plotshape(trend_change and trend < 0, "Down", shape.triangledown, location.abovebar, color=down_color, size=size.tiny)
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