Grade the ABCD pattern before you enter at C.
Upload a chart with the ABCD pattern forming and get a read on the A to B impulse, whether C held as a higher low, the volume behind the move, and a full trade plan, so a clean higher low at C and a broken one do not get the same benefit of the doubt.
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Make sure both the time axis (X) and price axis (Y) are visible in your screenshot for accurate results.
Grade
B+
Entry
$3.87
Stop
$3.75
Target
$4.24
Sample readout
SNBR 1m bull flag pullback: strong opening momentum, lighter-volume consolidation, and a late breakout attempt with the 3.89 price marker near the current candle.
A → B
The impulse leg up, an already-working move as drawn on your chart
B → C
The pullback, and whether C holds as a higher low above A
C → D
The continuation entered near C, aiming for a new high past B
STOP
Below C, since C failing means the higher low is gone
Quick answer
What is the ABCD pattern, and can AI grade it?
The day-trading ABCD is a momentum-continuation shape: price rallies from a low at A to a high at B, pulls back to a higher low at C, then resumes toward a new high past B. It is not the harmonic AB=CD pattern, which uses Fibonacci ratios to call a reversal; this ABCD has no ratio rule at all, only that C sits above A.
SnapPChart grades that exact structure from the chart you upload: it reads the A to B impulse leg, whether the B to C pullback held as a higher low above A, the entry and stop context near C, the EMA and volume behind the move, then returns a setup grade, an entry zone, a structural stop at a break of C, multi-target exits, and the bear case. There is no Fibonacci tool to draw and no ratio to calculate, since the day-trading ABCD has none; it is a shape, not a measurement, and the only hard rule is that C prints higher than A. It reads the image you upload, not a live feed, and it does not watch the tape or predict where D will land. You mark A, B, and C, screenshot the chart, and upload it, and the same checklist runs every time so a clean higher low at C and one that barely holds get judged the same way.
What the AI Returns From a Screenshot
Use the output as a repeatable pre-trade checkpoint, not a prediction.
A-F Setup Grade
See whether the setup has enough pattern clarity, momentum, volume, and reward to justify the risk.
Entry, Stop, Targets
Get a structured trade plan with entry zone, invalidation level, targets, and risk/reward.
Screenshot-Based Read
Use charts from TradingView, Webull, ThinkOrSwim, MetaTrader, Robinhood, or any broker.
Risk Notes First
The analysis flags extension, messy chop, weak retests, thin reward, and conflicting indicators.
Workflow
Use it as a quality check on the higher low at C
Plenty of ABCD setups fail because C never actually printed as a higher low, or because the pullback gave back too much of the A to B move. SnapPChart gives you a consistent read on whether this one is a real continuation before you enter near C.
- Mark A, B, and C on the chart, then screenshot it as price sits near C
- Confirm C printed as a higher low above A, not a break below it
- Check how the B to C pullback looks against the size of the A to B impulse
- Read the volume and EMA context supporting the continuation thesis
- Re-grade after the push past B to see if the continuation held or stalled
- Skip the setup when the grade flags C undercutting A or a weak impulse
Head to head
SnapPChart vs a general AI chat assistant for ABCD pattern setups
A general AI tool can tell you a chart looks like an ABCD, but it will not consistently check whether C actually printed as a higher low above A, and it tends to blur this day-trading shape together with the unrelated harmonic AB=CD pattern. SnapPChart checks the A to B impulse, the C pullback, and the volume the same way on every screenshot you upload, and never asks for a Fibonacci ratio this pattern does not use.
| Feature | SnapPChart | General AI chat assistant |
|---|---|---|
| Grades the ABCD pattern you marked on the screenshot | Yes, every upload | Inconsistent |
| Checks whether C printed as a higher low above A | Every grade | Rarely checked |
| Reads the A to B impulse and the B to C pullback depth | From the image | Varies by prompt |
| Tells the day-trading ABCD apart from the harmonic AB=CD | Every time | Often conflates the two |
| Flags a C that undercuts A as void, not early | Every bear case | Rarely flagged |
| Entry, stop, targets off the C level | Yes | Prompting required |
| Same criteria on every ABCD setup | Fixed methodology | Varies by session |
Learn the ABCD pattern setup
Use these guides to understand what makes an ABCD grade well, so you take the read instead of the output blindly.
What do traders ask about ABCD Pattern AI?
How SnapPChart grades an ABCD pattern from your screenshot.
How does the AI grade an ABCD pattern?
It reads the A to B impulse leg you marked, whether the B to C pullback held C as a higher low above A, the entry and stop context near C, and the volume and EMA position behind the move. It factors all of that into the grade, then returns a setup grade, an entry, a structural stop at a break of C, and targets. A pullback that holds a clean, shallow higher low at C grades higher than one that barely scrapes above A or shows fading volume into the continuation.
Does SnapPChart auto-detect the A, B, C points or calculate any Fibonacci ratio?
No. It does not scan a feed for ABCD shapes, auto-detect the A, B, and C points, watch the tape, or predict where D will land. It also does not calculate any Fibonacci ratio, because the day-trading ABCD does not use one. You mark A, B, and C yourself, then screenshot and upload that chart, and the AI grades the structure it can see in the image: the impulse, the pullback, the level at C, and the volume. The grade reflects the picture you give it.
Is this the same as the harmonic AB=CD Fibonacci pattern?
No, and this is worth being precise about. The harmonic AB=CD is a reversal structure defined by specific Fibonacci ratios between its legs, typically measured with a charting platform's Fibonacci tool and used to call a turn at the end of a decline or rally. The day-trading ABCD taught by momentum traders is a completely different, plainer shape: a with-trend pullback inside a move that is already working, with no ratio requirement at all. The only rule is that C has to print higher than A. SnapPChart grades the day-trading version. It has no harmonic pattern detector and does not read or require any Fibonacci ratio labeling.
What happens if C breaks below A?
The setup is void, not early. If C undercuts A, the higher low never happened, and what looked like a pullback is the start of a downtrend instead. SnapPChart's bear case calls this out directly rather than treating it as a deeper entry opportunity: a broken A is a different chart, not a better price on the same one.
What should be on the chart before I screenshot it?
Make sure the full A to B impulse and the B to C pullback down to C are both visible, with the candles, timeframe, price scale, and volume showing. The 9 EMA and 20 EMA help, since the grade factors their position. No Fibonacci retracement or extension tool is needed, since this pattern does not use one; a plain horizontal or trendline mark at A, B, and C is enough for the AI to read the shape.
Is there a free trial for ABCD pattern grading?
Yes. New users get two lifetime chart analyses. The first shows the full output so you can see exactly what the ABCD grade returns; the second is gated to show what the paid product adds. No credit card required.
Grade the higher low before you enter at C.
Mark A, B, and C, screenshot the chart, and upload it from the homepage for a structured read on the setup.
Grade an ABCD Setup Free