Gap Trading Strategy Trade a Gap Fill With Backtested Examples

what is gap fill

The win rate is pretty good, but the average is below other Fridays. Very good results, but not surprisingly it’s long which is best. The data is adjusted for dividends and collected from Yahoo! and IQFeed. You can predict a gap opening by using statistics to indicate the probability of a gap up or down opening the next day based on statistics. It may suggest that the gap that was higher was unsustainable and that the downside remains most in play if the price eventually falls back below the breakout price of $25.20.

  1. Daniel created epicctrader.com to help new and experienced traders level up.
  2. Such as, if a company’s earnings are reported to be higher than expected, the stock price may open on a high the next day, thus leaving a gap.
  3. We’ll probably be looking for new jobs, or scrambling to live off the land because the global economy has collapsed.
  4. However, the reasons behind this trend are not fully understood.
  5. When it comes to whether gaps are filled or not, it depends on many factors.

How to develop and build a gap day trading strategy: how to play and trade the gap successfully

You might be lucky and long a security and it gaps higher, leaving you with a quick profit or vice versa. The other approach is to enter the market in the direction of the gap as it potentially moves to close the gap. Automated program trading such as algorithmic trading is a relatively https://www.1investing.in/ new source of gap price action. The algorithm might signal a large buy order if a prior high is broken. The size of the algorithmic order may be such that it triggers a price gap, breaking above the recent high and drawing in other traders to the directional movement.

Chart patterns

The strategy seems very robust and yields very good numbers. The reason is that some of the high and low quotes are wrong, boosting the numbers. That’s why I’ll write a second article on this strategy and test it on intraday data from IQFeed. Then we’ll find out if there what is terminal value is a discrepancy in the data sets (which I believe it is). Exhaustion gaps happen after an already extended move in one direction. Gaps are risky due to low liquidity and high volatility but they offer opportunities for quick profits if they’re properly traded.

What Causes Gaps?

what is gap fill

Market activity before the official opening can predict the gap opening, and statistical analysis can offer insights into the probability of gap ups or downs. Gap up must open higher than the high of the previous 3 days and vice versa for longs. I know this strategy didn’t perform very well some years ago. Over the last two months, I’ve been trading a similar strategy, but not the same as the one I’ve tested here.

Price gaps are created due to a variety of factors, such as news events or earnings reports, that can cause a stock’s price to move dramatically. When this happens, the chart shows an empty area where no trading occurred, forming a gap. Gaps in the stock market occur when there’s a significant difference between the closing price of a stock on one day and its opening price on the next trading day.

In this guide, we’ll explain what gaps are in stocks, how gap fills work, and how you may trade around gaps. If a stock price reverts to its previous position before the gap, but continues to increase, this could indicate a strong bullish status. Traders might interpret this as a signal to continue holding or even adding to their positions. When looking for a gapping stock, it’s important to note that there are three types of gaps that you may want to think about as you decide on your investing strategy. Gap trading strategies used to be “low hanging” fruit but not anymore. We find gap trading to be reasonably difficult, at least in the most popular indices and asset classes.

Knowing how to identify these different types of gaps can help traders make informed decisions and potentially increase their profits. Identifying movements like exhaustion gaps or a breakaway gap can be a useful tool for investors to capitalize on potential profits from short-term market movements. Filling a gap means that the stock price moves back to its original position before the gap occurred. Traders use this as an opportunity to either enter or exit positions, depending on their trading strategies and the direction of the trend. After determining a high or low point, other traders will use technical analysis to fade gaps in the opposite direction. For example, if a stock gaps up due to some speculative new report, savvy traders may fade the gap by shorting the stock.

It forces fence-sitters on the wrong side of the gap price to close their positions and move out. Something as minor as a stock going ex-dividend during a low-volume trading period can create one. Common gaps are usually small ones that do not happen due to major events and get filled up quickly. If this happens, the security might sometimes end up with a gap the next day. Moreover, there is an opportunity to profit from gaps by using them to make future price predictions. A gap is said to “fill” when the price of a stock moves back to the pre-gap level.

Why is gaps much better when yesterday’s close is lower than 0.25? Both long and short are better with a nice and steady upward sloping equity curve. I decided to research opening gaps in SPY (S&P 500) to find fade-the-gap strategies.

An uptrend is a sign of continuation of a trend; a downtrend is a sign of continuation of the trend. It will be important to understand a few key elements before we dive into the specific strategies; such as volume, volatility, and risk tolerance. So, this is going to require some skill on your part and should not be a strategy you use if you are just starting in trading. Remember, this gap can be either to the upside or the downside. As such, here follow two charts that show the historical performance of the S&P, the day following the gap.

Gaps vary in size, variations, and volume depending on the asset you are looking at. Gaps can be traded in any instrument, and certain asset classes have substantial daily gaps. Trading contains substantial risk and is not for every investor.

Smart money does not want to have to buy the stock at high prices. They have already bought their main holding at lower levels. The fill the gap concept implies that the security will eventually retrace the gap and trade at its pre-gap price. Days with bearish gaps are usually followed by a negative move the following day, while the opposite is true for bullish gaps. Another important aspect to remember is that the fill-rate of gaps will vary, depending on how much time you give the market to fill the gap.

When doing the tests below, it’s really important that we keep the gap threshold in mind. The gap threshold simple is the minimum distance the market must gap, to be included in the statistics. With this information out of the way, we’ll perform a market study to get some statistics on the actual fill rate of gaps. A down gap is just the opposite, and filling a down gap is bullish. Gaps are mainly temporary situations, and most of the time, they are ‘Filled.’ Filling here means the price is back to its pre-gap amount.

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