As of 02/21/2025
Indus: 43,428 -748.63 -1.7%
Trans: 16,034 -430.64 -2.6%
Utils: 1,023 +3.75 +0.4%
Nasdaq: 19,524 -438.35 -2.2%
S&P 500: 6,013 -104.39 -1.7%
|
YTD
+2.1%
+0.9%
+4.1%
+1.1%
+2.2%
|
|
As of 02/21/2025
Indus: 43,428 -748.63 -1.7%
Trans: 16,034 -430.64 -2.6%
Utils: 1,023 +3.75 +0.4%
Nasdaq: 19,524 -438.35 -2.2%
S&P 500: 6,013 -104.39 -1.7%
|
YTD
+2.1%
+0.9%
+4.1%
+1.1%
+2.2%
| |
| ||
Initial release on 2/5/2025.
This article discusses the bearish key reversal bar chart pattern, including what to look for and how it behaves in stocks and exchange traded funds (it is absent in cryptocurrency).
The bearish key reversal bar is supposed to be bearish and it is by one measure (breakout direction). Stocks showing the pattern broke out downward 78% of the time. That's no surprise because the close is near the bottom of the tall pattern.
However, in 1,638 stock trades where the pattern broke out downward, the average trade lost $96.17 (in a bull market). In exchange traded funds, the 731 trades with downward breakouts from the key reversal lost an average of $76.51.
These numbers suggest the bearish pattern isn't that bearish. The remainder of this article focuses on upward breakouts from the bearish key reversal bar chart pattern.
The following table shows the identification rules.
Look at the figure for an example. The bearish key reversal bar pattern is line BC, a one price bar pattern. The reversal occurs in a short-term uptrend (A). What is short term? Five days is what I used to determine the trend. Often you can eyeball this trend, but I used linear regression (which computes the slope of a line such that the distance from each point to the line is a minimum).
Price should open much higher (B), but close near or below the prior day's close (C versus A). In short, that means it's a tall price bar that swings an uptrend to down (B to C).
Characteristic | Discussion |
One Bar | This pattern is one price bar long. |
Up Trend | The bar is supposed to act as a reversal of the short-term uptrend and it does 78% of the time (that is, 78% of the patterns have downward breakouts). I measure the slope of a line found using 5-day linear regression on the high-low price range to determine the trend. I only looked at up trends for this bearish reversal pattern. |
Configuration | Price opens much higher than the prior close (A to B in the figure, more than half the average 1-month bar height higher) but closes (C) near or below the prior close (A). What is near? I computed the average price bar height of the 22 bars before the pattern's start. I multiplied the result by 15%. The close has to be less than 15% above the prior day's close or below the prior day's close by any amount. |
Tall Bar | The bar in the pattern is at least 50% taller than the one-month average price bar height. |
Volume | The description I read of the pattern said to look for an increasing volume trend leading to the key reversal bar and for the bar's volume to climax (whatever that means). When I added a volume test (rising volume trend over 5 days leading to the bar and volume on the KRB higher than the prior day), performance dropped dramatically, from $91.56 per trade to $43.79. Win/loss dropped from 44% to 41%. It cut the number of trades more than half. The below tests results do NOT include the volume test. |
Trading using a target exit is simple to explain. Look at the adjacent stock chart.
I highlighted the key reversal bar pattern in the box. The reversal is a one-bar pattern that is tall, opens well above the prior close, but closes near or below the prior close. It is supposed to act as a reversal of the uptrend.
In this example, price continued rising (because I only looked at upward breakouts).
I placed a buy stop a penny above the top of the pattern (horizontal green line), and a stop loss order a penny below the bottom of the pattern. The target exit was twice the height of the reversal bar added to the price of the top of it.
In this example, the buy stop triggered for an entry and the stock sold when it climbed to the target exit price.
As explained in the example above, a buy signal happened when the stock climbed a penny or more above the top of the pattern (that is, I placed a buy stop a penny above the price bar in the pattern). I set an order to sell at a price twice as high as the height of the key reversal added to the high price in the pattern. I placed a stop loss a penny below the bottom of the pattern to help limit losses (by catching a dropping stock automatically).
The tables shows results for bull markets with upward breakouts (only) and an upward inbound price trend. I found the pattern in 471 stocks (but more in the benchmark). For additional testing methodology details, click the link.
Metric | Key Reversal Up Trend | Up Trend Benchmark |
Trades | 485 | 5,682 |
Average profit/loss per trade | $91.56 | $32.55 |
Win/loss ratio | 44% | 43% |
Average hold time (days) | 26 | 8 |
Winning trades | 211 | 2,430 |
Average gain of winners | 9% | 5% |
Average hold time of winners (days) | 35 | 9 |
Losing trades | 274 | 3,252 |
Average loss | -5% | -3% |
Average hold time of losers (days) | 22 | 7 |
We have a winner! The pattern almost triples ($91.56 versus $32.55) the benchmark performance from 1990 to 2025 but trades were comparatively few. The pattern is somewhat rare, meaning I didn't have to limit the data to prevent overflowing my spreadsheet, like I had to do with other patterns.
I used the same method to test the key reversal bar in exchange traded funds (ETFs) as I did in stocks. The chart shows an example trade that failed.
A buy stop triggered more than a week after the pattern ended. The ETF climbed for another week before plunging and reaching the stop loss order for a loss.
This is the same test as the prior one except I used 94 exchange traded funds (ETFs) instead of common stocks.
Metric | Key Reversal Up Trend | Up Trend Benchmark |
Trades | 308 | 6,095 |
Average profit/loss per trade | $4.64 | $38.39 |
Win/loss ratio | 40% | 51% |
Average hold time (days) | 16 | 6 |
Winning trades | 122 | 3,120 |
Average gain of winners | 4% | 3% |
Average hold time of winners (days) | 20 | 7 |
Losing trades | 186 | 2,975 |
Average loss | -3% | -2% |
Average hold time of losers (days) | 13 | 6 |
The key reversal appears substantially less often in ETFs than in stocks, especially when compared to the benchmark (308 versus 6,095). Those that do appear don't perform well, either. The average trade makes $4.64 versus the benchmark $38.39.
I don't recommend trading this in ETFs and wonder if the glorious performance in stocks can live up to the theoretical results. Why? Because it does so well in stocks but flops in ETFs. That's unusual and it suggests the potential of under-performance (in stocks).
I found only one trade in the dozens of cryptocurrency files I looked at. That's too few to remark on.
-- Thomas Bulkowski
Other1-bar patterns
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