Torque TSI Signal

//@version=6
// SPDX-License-Identifier: Apache-2.0
// Copyright 2026 PineForge
// PineForge Owned Strategy: Torque TSI Signal
// A smoothed true-strength impulse must agree with the price regime.
strategy("PineForge — Torque TSI Signal", overlay=false,
     initial_capital=100000,
     default_qty_type=strategy.fixed, default_qty_value=2,
     pyramiding=0, commission_type=strategy.commission.percent,
     commission_value=0.05, slippage=1,
     margin_long=100, margin_short=100,
     process_orders_on_close=false, calc_on_order_fills=false)

shortLength = input.int(14, "TSI Short Length", minval=2, group="Signal")
longLength = input.int(29, "TSI Long Length", minval=3, group="Signal")
signalLength = input.int(9, "RMA Signal Length", minval=2, group="Signal")
trendLength = input.int(68, "Trend EMA Length", minval=5, group="Signal")
minimumStrength = input.float(0.0, "Minimum TSI Strength", minval=-1.0, maxval=1.0, step=0.01, group="Signal")

strength = ta.tsi(close, shortLength, longLength)
strengthSignal = ta.rma(strength, signalLength)
trendLine = ta.ema(close, trendLength)

enterLong = ta.crossover(strength, strengthSignal) and strength > minimumStrength and close > trendLine
momentumEnded = ta.crossunder(strength, strengthSignal)
regimeEnded = close < trendLine

if strategy.position_size == 0 and enterLong
    strategy.entry("Torque Long", strategy.long)
else if strategy.position_size > 0 and (momentumEnded or regimeEnded)
    strategy.close("Torque Long", comment=momentumEnded ? "Momentum ended" : "Regime ended")

plot(strength, "True Strength Index", color=color.blue)
plot(strengthSignal, "RMA Signal", color=color.orange)
hline(minimumStrength, "Minimum Strength", color=color.gray)