Breakout Trend Follower Strategy

Script from: TradingViewIntraday

Audit verdict

RepaintsUpdated Jul 28, 2026

Repainting detected

Our audit flags: request.security uses barmerge.lookahead_on (potential repaint), line 91. Its backtests can show results that cannot be reproduced in live trading.

1backtests1 market

1repaint error+2 warnings

27robust scoreranked median 52

—p-valueranked median 0.24

Audit details

How we decide whether a strategy enters our rankings. Read the methodology →

Repainting audit

5 of 8 checks passed.

request.security uses barmerge.lookahead_on (potential repaint)

Found on line 91. Prefer lookahead_off or index the series with [1] or gate on barstate.isconfirmed.

strategy() with calc_on_every_tick=true or recalculate_on_every_tick=true

Found on line 13. Disable calc_on_every_tick/recalculate_on_every_tick for stable backtests unless truly required.

line.new() or array.new() created on every bar without var qualifier

Found on line 79. Create objects once (var) or gate creation with barstate.isfirst/na checks.

✓

Script availability

Open-source, still published on TradingView.

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Statistical edge

Not meaningful: repainting inflates every backtest statistic of this script.

Quality gate

No backtest has more than 15 trades, our minimum to evaluate a result.

Robust score

27/100, below the median of 52 for ranked strategies.

Why repainting matters

A repainting script uses values that were not known when the bar closed. Its backtest trades on that future information, so live results diverge from what the backtest shows, often by a wide margin.

Does Breakout Trend Follower Strategy repaint?

Yes. request.security uses barmerge.lookahead_on (potential repaint) (line 91). Backtests of this script can show returns that cannot be reproduced in live trading.

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