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Asset Class Trend Following

取引規則

SMA は現在の確定終値を含む直近 SmaLength 日付の終値の算術平均です。Close > SMA の場合だけ買い持ちします。毎月 Capital × Leverage を適格銘柄へ均等配分し、候補がなければ現金です。以後 Close <= SMA で全決済し、次の月次配分まで再参入しません。ベンチマークとの相対比較は行いません。

時刻が一致する確定足だけを評価します。統計は異なる UTC 日付を数え、同じ日の後続足が日次価格を更新します。毎月最初の条件を満たす同期確定足で一度リバランスします。データ不足時は延期し、同点は Security.Id 順に並べます。

日中 CandleType の日次統計は現在の信号日より前の UTC 日付のみを使い、未完了の当日は除外します。確定済み一日足は自身の完了日を含められます。

入力データ

PriceHistoryFile は正の日次終値の任意 CSV です：SecurityId,Date,Close。日付は yyyy-MM-dd。現在・将来の日付で判断を先取りせず、実際の確定足で該当 UTC 日の価格を上書きします。重複日付は禁止です。短い約定履歴で長い期間を準備するために使えます。

パラメーター

パラメーター 既定値
Universe 必須
Capital 100000
Leverage 1
MinTradeUsd 50
CandleType TimeSpan.FromDays(1).TimeFrame()
PriceHistoryFile 任意 — 未指定
SmaLength 210

約定と保有数量

Universe を明示的に設定します。価格と Capital は取引単位当たりの USD です。Capital は固定予算、Leverage は総エクスポージャーを指定します。損切りや利食い注文は追加しません。

信号終値で数量に換算し、VolumeStep 単位でゼロ方向へ丸めます。実際の約定残高を使い、未完了注文を待ち、MinVolume/MaxVolume を守って大口調整を後続足へ分割します。MinTradeUsd は小口調整を除外しますが、全決済には適用しません。

検証

約定検証には既存 BTC/TON アーカイブのみを使います。明示した財務報告、オプション観測、準備価格は仕組みのテスト用で、実企業財務やオプション履歴ではありません。短縮期間、二分位、三月の年次調整は明示的な検証設定で、元の長期既定値の取引を証明しません。収益率は主張しません。

namespace StockSharp.Samples.Strategies;

using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;

using Ecng.Common;

using StockSharp.Algo.Strategies;
using StockSharp.BusinessEntities;
using StockSharp.Messages;

/// <summary>Asset Class Trend Following with explicit inputs and execution-based portfolio accounting.</summary>
public class AssetClassTrendFollowingStrategy : Strategy
{
	private readonly StrategyParam<IEnumerable<Security>> _universe;
	private readonly StrategyParam<decimal> _capital;
	private readonly StrategyParam<decimal> _leverage;
	private readonly StrategyParam<decimal> _minTradeUsd;
	private readonly StrategyParam<DataType> _candleType;
	private readonly StrategyParam<string> _priceHistoryFile;
	private readonly StrategyParam<int> _smaLength;
	private Security[] _securities = [];
	private readonly Dictionary<Security, (DateTime time, decimal price)> _latest = [];
	private readonly Dictionary<Security, SortedDictionary<DateTime, decimal>> _history = [];
	private readonly Dictionary<Security, decimal> _targets = [];
	private readonly List<Order> _pending = [];
	private int _lastRebalance;
	private DateTime? _lastBar;

	/// <summary>Execution securities with USD prices and valid volume metadata.</summary>
	public IEnumerable<Security> Universe { get => _universe.Value; set => _universe.Value = value; }

	/// <summary>Fixed gross capital budget in USD.</summary>
	public decimal Capital { get => _capital.Value; set => _capital.Value = value; }

	/// <summary>Gross target exposure divided by the capital budget.</summary>
	public decimal Leverage { get => _leverage.Value; set => _leverage.Value = value; }

	/// <summary>Minimum notional adjustment; complete liquidation bypasses this filter.</summary>
	public decimal MinTradeUsd { get => _minTradeUsd.Value; set => _minTradeUsd.Value = value; }

	/// <summary>Closed candle type; daily statistics count distinct UTC dates.</summary>
	public DataType CandleType { get => _candleType.Value; set => _candleType.Value = value; }

	/// <summary>Optional daily close CSV for warmup; current and future dates cannot prefill a decision.</summary>
	public string PriceHistoryFile { get => _priceHistoryFile.Value; set => _priceHistoryFile.Value = value; }

	/// <summary>Distinct daily closes in the simple moving average.</summary>
	public int SmaLength { get => _smaLength.Value; set => _smaLength.Value = value; }

	/// <summary>Initialize the published strategy parameters.</summary>
	public AssetClassTrendFollowingStrategy()
	{
		_universe = Param<IEnumerable<Security>>(nameof(Universe)).SetRequired()
			.SetDisplay("Universe", "Execution securities with USD prices and valid volume metadata", "Parameters");
		_capital = Param(nameof(Capital), 100000m).SetGreaterThanZero()
			.SetDisplay("Capital", "Fixed gross capital budget in USD", "Parameters");
		_leverage = Param(nameof(Leverage), 1m).SetGreaterThanZero()
			.SetDisplay("Leverage", "Gross target exposure divided by the capital budget", "Parameters");
		_minTradeUsd = Param(nameof(MinTradeUsd), 50m).SetRange(0m, decimal.MaxValue)
			.SetDisplay("MinTradeUsd", "Minimum notional adjustment; complete liquidation bypasses this filter", "Parameters");
		_candleType = Param(nameof(CandleType), TimeSpan.FromDays(1).TimeFrame())
			.SetDisplay("CandleType", "Closed candle type; daily statistics count distinct UTC dates", "Parameters");
		_priceHistoryFile = Param<string>(nameof(PriceHistoryFile))
			.SetDisplay("PriceHistoryFile", "Optional daily close CSV for warmup; current and future dates cannot prefill a decision", "Parameters");
		_smaLength = Param(nameof(SmaLength), 210).SetGreaterThanZero()
			.SetDisplay("SmaLength", "Distinct daily closes in the simple moving average", "Parameters");
	}

	/// <inheritdoc />
	public override IEnumerable<(Security sec, DataType dt)> GetWorkingSecurities()
	{
		foreach (var security in (Universe ?? []).DistinctBy(s => s.Id, StringComparer.OrdinalIgnoreCase))
			yield return (security, CandleType);
	}

	/// <inheritdoc />
	protected override void OnReseted()
	{
		base.OnReseted();
		_securities = [];
		_latest.Clear();
		_history.Clear();
		_targets.Clear();
		_pending.Clear();
		_lastRebalance = 0;
		_lastBar = null;

	}

	/// <inheritdoc />
	protected override void OnStarted2(DateTime time)
	{
		_securities = (Universe ?? []).ToArray();
		if (_securities.Length == 0 || _securities.Any(s => s is null || string.IsNullOrWhiteSpace(s.Id))
			|| _securities.Select(s => s.Id).Distinct(StringComparer.OrdinalIgnoreCase).Count() != _securities.Length)
			throw new InvalidOperationException("Universe must contain distinct execution securities.");
		foreach (var security in GetWorkingSecurities().Select(x => x.sec))
		{
			if (security.VolumeStep is not > 0m || security.MinVolume is not > 0m || security.MaxVolume is not > 0m)
				throw new InvalidOperationException("Every security needs positive VolumeStep, MinVolume and MaxVolume.");
			_history[security] = [];
		}

		LoadPriceHistory();
		base.OnStarted2(time);
		foreach (var security in GetWorkingSecurities().Select(x => x.sec))
			SubscribeCandles(CandleType, security: security).Bind(candle => ProcessCandle(security, candle)).Start();
	}

	private void ProcessCandle(Security security, ICandleMessage candle)
	{
		if (candle.State != CandleStates.Finished || candle.ClosePrice <= 0m) return;
		_latest[security] = (candle.OpenTime, candle.ClosePrice);
		_history[security][candle.OpenTime.Date] = candle.ClosePrice;
		if (_latest.Count != _history.Count || _latest.Values.Any(v => v.time != candle.OpenTime)
			|| _lastBar == candle.OpenTime || !IsFormedAndOnlineAndAllowTrading()) return;
		_lastBar = candle.OpenTime;
		var month = candle.OpenTime.Year * 100 + candle.OpenTime.Month;

		if (_lastRebalance != month && SelectTargets(candle.OpenTime))
			_lastRebalance = month;
		ApplyTrendExits(candle.OpenTime);
		ReconcileTargets();
	}

	private decimal[] Daily(Security security, DateTime time)
		=> _history[security].Where(x => x.Key <= LastClosedDate(time)).Select(x => x.Value).ToArray();

	private DateTime LastClosedDate(DateTime time)
		=> CandleType.Arg is TimeSpan frame && frame == TimeSpan.FromDays(1) ? time.Date : time.Date.AddDays(-1);

	private decimal Units(Security security, decimal notional)
		=> Math.Floor(notional / _latest[security].price / security.VolumeStep.Value) * security.VolumeStep.Value;

	private void ReconcileTargets()
	{
		if (_pending.Any(o => o.State is not (OrderStates.Done or OrderStates.Failed))) return;
		_pending.Clear();
		foreach (var security in _securities)
		{
			if (!_targets.TryGetValue(security, out var target)) continue;
			var delta = target - GetPositionValue(security, Portfolio).GetValueOrDefault();
			if (delta == 0m || (target != 0m && Math.Abs(delta) * _latest[security].price < MinTradeUsd)) continue;
			var step = security.VolumeStep.Value;
			var quantity = Math.Floor(Math.Min(Math.Abs(delta), security.MaxVolume.Value) / step) * step;
			if (quantity < security.MinVolume.Value) continue;
			var order = new Order
			{
				Security = security, Portfolio = Portfolio, Type = OrderTypes.Market,
				Side = delta > 0m ? Sides.Buy : Sides.Sell, Volume = quantity, Comment = "0352Rebalance",
			};
			_pending.Add(order);
			RegisterOrder(order);
		}
	}

	private void LoadPriceHistory()
	{
		if (string.IsNullOrWhiteSpace(PriceHistoryFile)) return;
		var lines = File.ReadLines(PriceHistoryFile).GetEnumerator();
		using (lines)
		{
			if (!lines.MoveNext() || lines.Current.Trim() != "SecurityId,Date,Close")
				throw new InvalidOperationException("Price history must begin with SecurityId,Date,Close.");
			while (lines.MoveNext())
			{
				if (string.IsNullOrWhiteSpace(lines.Current)) continue;
				var row = lines.Current.Split(',');
				if (row.Length != 3) throw new InvalidOperationException("A daily price row must have three fields.");
				var security = _history.Keys.SingleOrDefault(s => string.Equals(s.Id, row[0].Trim(), StringComparison.OrdinalIgnoreCase));
				if (security is null) continue;
				var date = DateTime.ParseExact(row[1].Trim(), "yyyy-MM-dd", CultureInfo.InvariantCulture);
				var price = decimal.Parse(row[2], CultureInfo.InvariantCulture);
				if (price <= 0m || !_history[security].TryAdd(date, price))
					throw new InvalidOperationException("Daily prices must be positive and unique per security and UTC date.");
			}
		}
	}

	private bool SelectTargets(DateTime time)
	{
		if (_securities.Any(s => Daily(s, time).Length < SmaLength)) return false;
		var eligible = _securities.Where(s => _latest[s].price > Daily(s, time).TakeLast(SmaLength).Average()).ToArray();
		foreach (var s in _securities)
			_targets[s] = eligible.Contains(s) ? Units(s, Capital * Leverage / eligible.Length) : 0m;
		return true;
	}

	private void ApplyTrendExits(DateTime time)
	{
		foreach (var s in _securities)
		{
			var history = Daily(s, time);
			if (history.Length >= SmaLength && _latest[s].price <= history.TakeLast(SmaLength).Average())
				_targets[s] = 0m;
		}
	}

}