Strategies / Trend / Open Price Trailing Line Long

Open Price Trailing Line Long

A long-only system that applies a trailing line to the open price and buys when a fast weighted average crosses above it. It exits on a cross below or when the close moves 5% above or below the entry price.

TrendLong onlySwingUSD/JPY4 hours

n/aProfit factor

430,350Net profit USD

43.66%Win rate

1,633Trades

-255,720Max drawdown

264Avg trade

Best run of 13. USD/JPY, 4 hours, spread 1, from run sweeps:2026-10-10-USDJPY-4h-opt.tsv:8.

Entry rules, long

The open is above the trailing line on this bar.
The trailing line is built from the 11-bar ATR and ratchets with the open price.
A long is entered only when no long is open.

Exit rules

The long closes at market when the close is more than 5% above the entry price.
The long closes at market when the close is more than 5% below the entry price.

Test conditions

Period	Up to 2026-10-10
Instrument	USD/JPY, 4 hours
Spread	1 points
Starting capital	1,000,000
Costs	Spread only. Commissions and overnight financing are not included.
Bars	Up to 200,000 bars, fewer where the instrument has less history
Last tested	2026-10-10

Every run

Markets and timeframes tested

Market	Timeframe	PF	Trades	Win %	Net	Max DD
USD/JPYBest run	4 hours	n/a	1,633	43.66	430,350 USD	-255,720
EUR/USD	Daily	n/a	680	40.74	45,664 USD	-39,293
Dow Jones	Daily	n/a	734	41.83	25,915 EUR	-6,847
Nikkei 225	4 hours	n/a	1,196	42.39	20,109 USD	-11,128
Nasdaq 100	Daily	n/a	649	44.68	16,842 EUR	-4,501
Silver	Daily	n/a	707	42.72	16,071 USD	-6,962
DAX 40	4 hours	n/a	1,425	44.21	11,582 EUR	-4,740
DAX 40	Daily	n/a	1,050	40.19	11,035 EUR	-4,020
Nasdaq 100	4 hours	n/a	1,500	42.47	10,599 EUR	-4,440
Brent Crude	4 hours	n/a	874	43.25	8,059 EUR	-3,255
Gold	Daily	n/a	778	39.33	1,854 EUR	-721
Gold	4 hours	n/a	1,375	41.89	1,755 EUR	-1,069
S&P 500	Daily	n/a	808	41.83	1,634 EUR	-1,175

Charts

Results by run

Top 10 of 13 runs. The full list is in the table above.

Net profitMax drawdown

The code

ProBuilder code, as tested

// ==============================================================
// Open Price Trailing Line Long
// ProRealAlgos Strategy Library  |  prorealalgos.com
// Type: Trend
// Direction: Long only
// Timeframe tested: 4 hours
// ==============================================================

DEFPARAM CumulateOrders = false

ONCE ts = 0

src = open
nloss = AverageTrueRange[11](close)
prev = ts

23 more lines: the entry and exit rules.

Setup

How to load it

Copy the code with the copy button on the code block.
In ProRealTime, open a chart of the instrument and timeframe you want to test, then open ProOrder > New trading system and choose "Create with programming".
Paste the code, give the system a name and save it.
Click "Backtest", set your own spread and position size, and run it before you consider trading it live.

Indicators used

ATRWMA

Read this firstKnown weaknesses3 points

No profit factor is available, because only sweep results exist for this strategy.
The maximum drawdown of 255,720 USD is large next to the net profit of 430,350 USD.
The code sets no stop loss, so a losing trade stays open until an exit signal arrives.

Questions

About this strategy

Can I run Open Price Trailing Line Long in ProOrder?

Yes. The code is ProBuilder and runs as an automated ProOrder system. Backtest it on your own account with your own spread and position size before trading it live.

Which markets was it tested on?

It was tested on 13 market and timeframe combinations. The best run by trade count was USD/JPY, 4 hours, with 1,633 trades.

How large was the drawdown?

The best run had a maximum drawdown of 255,720 USD at the tested position size, against a net result of 430,350 USD.

Does it trade long, short or both?

It only takes long trades.

KDJ J Line Momentum Long

Uses the same indicator.

4.17 PF · 6,135 trades

Trend Surfer

Best run on the same market, USD/JPY.

1.04 PF · 10,813 trades

ADX Filtered EMA Cross

Also a trend strategy.

1.15 PF · 607 trades

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Past backtest results do not guarantee future results. This is not financial advice. Curated and maintained by ProRealAlgos. ProRealTime™ is a trademark of ProRealTime SAS. prorealalgos.com Stats Docs