Gap Filling Strategy

Script from: TradingViewIntradayPrice actionMarket structureBreakoutMomentumMean reversion

The Gap Filling Strategy exploits significant market gaps—price disparities between a session's opening and the previous closing. Traders identify gaps by comparing opening prices with previous highs/lows and volume. Short or long positions are taken based on whether the gap signals exhaustion (short after up gaps, long after down gaps) or continuation (opposite positions). Trades close once the gap 'fills,' returning to the pre-gap level. Various settings allow customization, influencing when trades close—upon new sessions, new gaps, or reversal signals.

Audit verdict

Not rankedUpdated Jul 28, 2026

No reliable edge found

Its average result can't be told apart from chance, so it stays out of our rankings. The script itself passed our repainting audit.

2,064backtests3 markets

32robust scoreranked median 52

0.25p-valueranked median 0.24

4/76pass quality gatebacktests >15 trades

Audit details

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

✓

Repainting audit

8 of 8 checks passed.

✓

Script availability

Open-source, still published on TradingView.

Statistical edge

Average t-statistic 1.85 (p = 0.25), below the median of 1.98 (p = 0.24) for ranked strategies.

✓

Quality gate

4 of 76 backtests with more than 15 trades pass our quality gate.

Robust score

32/100, below the median of 52 for ranked strategies.

How its evidence compares

The t-statistic measures how far the average result sits from zero relative to its noise. Below about 2, it is within what random entries produce.

1.85

avg. t-statistic

1.98

median, ranked strategies

Best 5 of 2,064 backtests

Shown for transparency.

Symbol	Timeframe	Net profit	Profit factor	Trades	Max drawdown
SciSparc Ltd. NASDAQ:SPRC	1H	+15,792%	1.05	652	93%
HENRY HUB NATURAL GAS FUTURES NYMEX:NG1!	1D	+15,531%	1.24	1,479	52%
Novavax, Inc. NASDAQ:NVAX	1D	+2,119%	1.11	937	78%
Sirius XM Holdings Inc. NASDAQ:SIRI	1D	+629%	1.16	1,028	90%
UiPath, Inc. NYSE:PATH	2H	+407%	1.27	716	47%

⚠Selected after the fact: these are the best 5 of 2,064 runs, not what to expect from this strategy.

Is Gap Filling Strategy profitable?

Not reliably, based on our tests. Across 2,064 backtests, 4 of 76 with more than 15 trades pass our quality gate. The best result is +15,792% on SciSparc Ltd. (1H, 652 trades). On average, its results are statistically indistinguishable from chance (p = 0.25).

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