Volume Spike & RSI Scalping (Session Restricted)

//version=6
strategy("Volume Spike & RSI Scalping (Session Restricted)", overlay=true)

// Inputs
rsi_length = input(14, title="RSI Length")
overSold = input(30, title="RSI Oversold Level")
overBought = input(70, title="RSI Overbought Level")
volume_threshold = input(1.5, title="Volume Spike Multiplier (e.g., 1.5x avg volume)")
risk_reward_ratio = input(2.0, title="Risk-Reward Ratio (1:X)")
atr_length = input(14, title="ATR Length")
session_start_london = input.time(timestamp("0000-01-01 08:00 +0000"), title="London Session Start (UTC)")
session_end_london = input.time(timestamp("0000-01-01 16:00 +0000"), title="London Session End (UTC)")
session_start_ny = input.time(timestamp("0000-01-01 13:00 +0000"), title="New York Session Start (UTC)")
session_end_ny = input.time(timestamp("0000-01-01 21:00 +0000"), title="New York Session End (UTC)")

// Helper Functions
is_session = (time >= session_start_london and time <= session_end_london) or (time >= session_start_ny and time <= session_end_ny)

// RSI Calculation
vrsi = ta.rsi(close, rsi_length)

// Volume Spike Detection
avg_volume = ta.sma(volume, 20)
volume_spike = volume > avg_volume * volume_threshold

// Entry Signals Based on RSI and Volume
long_condition = is_session and volume_spike and vrsi < overSold and close > open // Bullish price action
short_condition = is_session and volume_spike and vrsi > overBought and close < open // Bearish price action

// Execute Trades
if (long_condition)
stop_loss = low - ta.atr(atr_length)
take_profit = close + (close - stop_loss) * risk_reward_ratio
strategy.entry("Buy", strategy.long, comment="Buy Signal")
strategy.exit("Take Profit/Stop Loss", "Buy", stop=stop_loss, limit=take_profit)

if (short_condition)
stop_loss = high + ta.atr(atr_length)
take_profit = close - (stop_loss - close) * risk_reward_ratio
strategy.entry("Sell", strategy.short, comment="Sell Signal")
strategy.exit("Take Profit/Stop Loss", "Sell", stop=stop_loss, limit=take_profit)

// Background Highlighting for Signals
bgcolor(long_condition ? color.new(color.green, 85) : na, title="Long Signal Background")
bgcolor(short_condition ? color.new(color.red, 85) : na, title="Short Signal Background")