উচ্চ-ফ্রিকোয়েন্সি গতিশীল ওপেনিং রেঞ্জের যুগান্তকারী ট্রেডিং কৌশল

/*backtest
start: 2025-01-21 00:00:00
end: 2025-01-24 00:00:00
period: 1m
basePeriod: 1m
exchanges: [{"eid":"Binance","currency":"DOGE_USDT"}]
args: [["MaxCacheLen",580,358374]]
*/

// This Pine Script™ code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © UKFLIPS69

//@version=6
strategy("ORB", overlay=true, fill_orders_on_standard_ohlc = true)

trade_on_monday = input(false, "Trade on Monday") 
trade_on_tuesday = input(true, "Trade on Tuesday") 
trade_on_wednesday = input(true, "Trade on Wednesday")
trade_on_thursday = input(false, "Trade on Thursday")
trade_on_friday = input(true, "Trade on Friday")
// Get the current day of the week (1=Monday, ..., 6=Saturday, 0=Sunday)
current_day = dayofweek(time) 
current_price = request.security(syminfo.tickerid, "1", close)
// Define trading condition based on the day of the week
is_trading_day = (trade_on_monday and current_day == dayofweek.monday) or
                 (trade_on_tuesday and current_day == dayofweek.tuesday) or
                 (trade_on_wednesday and current_day == dayofweek.wednesday) or
                 (trade_on_thursday and current_day == dayofweek.thursday) or
                 (trade_on_friday and current_day == dayofweek.friday)
// ─── Persistent variables ─────────────────────────
var line  orHighLine       = na   // reference to the drawn line for the OR high
var line  orLowLine        = na   // reference to the drawn line for the OR low
var float orHigh           = na   // stores the open-range high
var float orLow            = na   // stores the open-range low
var int   barIndex930      = na   // remember the bar_index at 9:30
var bool  rangeEstablished = false
var bool  tradeTakenToday  = false  // track if we've opened a trade for the day

// ─── Detect times ────────────────────────────────
is930  = (hour(time, "America/New_York") == 9 and minute(time, "America/New_York") == 30)
is945  = (hour(time, "America/New_York") == 9 and minute(time, "America/New_York") == 45)

// Between 9:30 and 9:44 (inclusive of 9:30 bar, exclusive of 9:45)?
inSession = (hour(time, "America/New_York") == 9 and minute(time, "America/New_York") >= 30 and minute(time, "America/New_York") < 45)

// ─── Reset each day at 9:30 ─────────────────────
if is930
    // Reset orHigh / orLow
    orHigh := na
    orLow  := na
    rangeEstablished := false
    tradeTakenToday  := false
    // Record the bar_index for 9:30
    barIndex930 := bar_index
// ─── ONLY FORM OR / TRADE IF TODAY IS ALLOWED ─────────────────────
if is_trading_day
// ─── Accumulate the OR high/low from 9:30 to 9:44 ─
    if inSession
        orHigh := na(orHigh) ? high : math.max(orHigh, high)
        orLow  := na(orLow)  ? low  : math.min(orLow, low)

// ─── Exactly at 9:45, draw the lines & lock range ─
    if is945 and not na(orHigh) and not na(orLow)

    // Mark that the OR is established
        rangeEstablished := true

// ─── TRADING LOGIC AFTER 9:45, but BEFORE NOON, and if NO trade taken ─
    if rangeEstablished and not na(orHigh) and not na(orLow) 
    // Only trade if it's still BEFORE 12:00 (noon) EST and we haven't taken a trade today
        if hour(time, "America/New_York") < 12 and (not tradeTakenToday)
        // 1) Compute distances for stops & targets
            float stopSize   = 0.5 * (orHigh - orLow)      // half the OR size
            float targetSize = 3 * stopSize      // 3x the stop => 1.5x the entire OR
    
        // 2) Check if price breaks above OR => go long
            if close > orHigh 
            // Only enter a new long if not already in a long position (optional)
                if strategy.position_size <= 0
                    strategy.entry("ORB Long", strategy.long)
                    strategy.exit("Long Exit", from_entry = "ORB Long", stop = orHigh - stopSize, limit  = strategy.position_avg_price + targetSize)
                // Flag that we've taken a trade today
                    tradeTakenToday := true
    
        // 3) Check if price breaks below OR => go short
            if close < orLow 
            // Only enter a new short if not already in a short position (optional)
                if strategy.position_size >= 0
                    strategy.entry("ORB Short", strategy.short)
                    strategy.exit("Short Exit", from_entry = "ORB Short", stop = orLow + stopSize, limit  = strategy.position_avg_price - targetSize)
                // Flag that we've taken a trade today
                    tradeTakenToday := true
if hour(time, "America/New_York") == 16 and minute(time, "America/New_York") == 0
    strategy.close_all()