ECBY5
▼ Bearish
Streaming Alert (Scanner)
8 Period SMA Crossed Below 20 Period SMA (5 Minute) Alert (ECBY5)
By Daniel Mirkin, CEO, Trade Ideas. Updated October 2026.
Find stocks where the 8 period SMA crosses below the 20 period SMA on the 5-minute chart in real time with Trade Ideas Streaming Alerts (Scanner). A 8/20 SMA crossover is when the 8 period simple moving average crosses below the 20 period SMA. Most traders read that as a bearish short-term signal.
See the cross when it happens, not on tomorrow’s chart.
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Streaming Alerts show the 8 period average crossing below the 20 period average on 5 minute charts the moment it happens.
How Trade Ideas finds it: by default, this alert is triggered when the 8 period SMA crosses below the 20 period SMA in a 5 minute timeframe. See Trade Ideas plans and pricing to run it live.
What is a bearish 8 and 20 crossover?
The bearish version watches the same two lines on a 5 minute chart. When the 8 period simple moving average falls below the 20 period one, short-term prices have slipped under the slightly longer trend.
Trade Ideas shows it in red, since most traders read it as bearish for the near term.
How the bearish crossover forms
8 period line turns down
Recent candles pull the fast line lower first.
20 period line
Still higher, but flattening as the selling continues.
Cross under
The fast line drops through the slow one. That is the alert.
How traders use it
Step 1: Let the Trade Ideas alert find it
Turn on the 8 Period SMA Crossed Below 20 Period SMA (5 Minute) alert (ECBY5) to see stocks whose short-term trend just turned down. See it live in the Web Dashboard.
Step 2: Wait for the trigger
Trader tip
Some traders want price to also be under both averages before taking it seriously.
Step 3: Entry
Shorts may enter on the cross or on a bounce into the 8 period line. Longs may use it to step aside.
Step 4: Exit
Above the latest swing high is the usual stop for a short. Treat it as a common pattern, not a recommendation.
Tips
- Choppy, flat stocks give many false crosses.
- Weak market moments bring a cluster of these. Check the indexes.
- Combine with a relative volume filter.
- The bullish version is ECAY5.
Past results, including backtests, are not indicative of future results.
How the 8 Period SMA Crossed Below 20 Period SMA (5 Minute) alert works
These alerts report when one intraday SMA crosses another. The server is constantly monitoring for an 8 period SMA crossing a 20 period SMA.
When a shorter term SMA crossed below a longer term SMA, most people call that a bearish signal. We report that case in red.
Key point
The server watches for these alerts in the 2, 5, and 15 minute time frames. Notice the large red number in each icon. This is the number of minutes in the time frame.
The short term SMAs (8 vs. 20) are usually used to describe shorter trends.
Formula
Like all analytics based on intra-day candles, the exact values of these formulas can vary from one person to the next. However, SMAs are naturally very stable. If the alert server reports a crossing, it is safe to say that the two SMAs are touching or at least very close. This alert condition will be easier to see on a chart if the stock is moving quickly; the SMAs for slower moving stocks often seem to overlap for a long time on a chart.
The server always reports crossings at the end of one candle and the start of the next.
Benefits of the "8 Period SMA Crossed Below 20 Period SMA" alert include:
- Trend Reversal Identification: It can serve as an early indication of a potential reversal in the trend, allowing traders to identify bearish conditions in the market.
- Early Exit Point: Traders holding long positions may use this alert as a signal to exit or manage their positions before a more extended downtrend develops.
- Confirmation of Bearish Momentum: The crossover of the shorter-term SMA below the longer-term SMA may confirm bearish momentum in the market.
- Objective Trading Signal: Like its bullish counterpart, this alert provides an objective signal based on specific criteria, reducing the impact of emotions in trading decisions.
- Adaptable to Various Timeframes: This type of alert is applicable across different timeframes, making it useful for traders with different trading styles and time horizons.
Default settings
By default, this alert is triggered when the 8 period SMA crosses below the 20 period SMA in a 5 minute timeframe. To align with each alert, it's essential to utilize the corresponding time frame on the chart. For instance, this 80/20 crossover alert is visualized on the 5-minute candlestick chart.
What the alert shows you
Key point
The description column of this scan will display "8 Period SMA Crossed Below 20 Period SMA (5 Minute)", providing you with a clear indication of the specific alert that has been triggered.
Related alerts
Filters to pair with the 8 Period SMA Crossed Below 20 Period SMA (5 Minute) alert
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FAQ
Which stocks just had a 8/20 SMA cross down on the 5 minute chart?
Turn on the 8 Period SMA Crossed Below 20 Period SMA (5 Minute) alert (ECBY5) in Trade Ideas Streaming Alerts. By default, this alert is triggered when the 8 period SMA crosses below the 20 period SMA in a 5 minute timeframe.
What is the 8 Period SMA Crossed Below 20 Period SMA (5 Minute) alert?
A 8/20 SMA crossover is when the 8 period simple moving average crosses below the 20 period SMA. Most traders read that as a bearish short-term signal.
What is the opposite of the 8 Period SMA Crossed Below 20 Period SMA (5 Minute) alert?
The 8 Period SMA Crossed Above 20 Period SMA (5 Minute) alert (ECAY5).
What does the 8 crossing below the 20 mean?
Recent prices have dropped below a slightly longer average, which traders read as short-term weakness.
Is ECBY5 a short signal?
Some traders use it that way. Others use it to exit longs.
Which chart should I use?
A 5 minute chart with 8 and 20 period simple moving averages.
Are there other timeframes?
Yes, 2 and 15 minute versions.