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【Technical Course】From Basic to Practice of RCI!
Genuine trading skills not relying on signals

Hello! FX-Skull. This time, an oscillator-type indicator beloved by many professional traders“RCI (Rank Correlation Index)”will be explained in a way easy for beginners to understand.

1. What is RCI? (Simple calculation method)

RCI (Rank Correlation Index) calculates how much the time and price ranks are correlated, and it measures the strength of market trends and overheating (overbought/oversold).

It may look complex, but essentially“as days pass, is the price rising in order?”If it completely matches and rises, it approaches “+100%”; if it keeps falling, it approaches “-100%.”

【RCI Calculation Image】

RCI ＝ { 1 - ( 6 × d²の合計 ) ÷ ( n³- n ) } × 100

* d = difference between “date rank” and “price rank” / n = period

2. Basic use with “one line” of RCI

First, display a single short-term line (parameter: 9, etc.) as the basic view. RCI focuses on the upper and lower zones of “overbought/oversold.”

+80% or higher:Overbought zone
(Momentum is near the limit; beware of a reversal)
-80% or lower:Oversold zone
(Downward momentum is near the limit; beware of a reversal)

3. Practical use with “two lines” of RCI (recommended for beginners!)

Using only one line can lead to more false signals,the common, professional approach is to combine a short-term line and a long-term line.

【Classic trading steps】

Check trend direction with the long-term line (e.g., 26)
If the long-term line is rising, it’s an uptrend; if it’s falling, it’s a downtrend.
Timing entries with the short-term line (e.g., 9)
When the long-term line is rising, the best is when the short-term line dips and then reemerges near the “-80%” zone. Buy-the-dip point.

Why do many traders still not win even with RCI?

Currently, many sign tools based on RCI are sold in the market. However, numerous traders who purchased them have not continued to win.

The main reason is: “they rely only on the signal without understanding the context.”

If you follow arrows without understanding the indicator’s calculation basis and why a signal appeared at this moment, you will not be able to respond to changes in market conditions, and you will eventually erode your capital. There is no holy grail (magic tool).

Master genuine discretionary skills with “RCI Learning Pro”

For those who want to graduate from trading by signals alone and learn to read the market with their own power, a definitive edition Would you like to seriously develop the discretionary skills to stay profitable long term while learning practical RCIs usage?

Learn the skill to win on your own with RCI Learning Pro!

■ RCI Learning Pro

―― [Beginners must use] Do not rely on indicators’ “signals” forever! ――

Recommended! “RCI signal tool didn’t win, I want to learn the basics of RCI indicator”

※Images are works in progress. Actual display may vary by settings.

Why does using this indicator dramatically improve entry accuracy and discretion?

The core of this tool is “multi-time frame visualization.” It embodies two RCI logics in one panel and on the chart.

Diagram is illustrative

RCI Learning Pro practical usage

This tool is not merely a signal delivery tool. It is a practical investment training device to understand the indicator’s basis and forcibly transplant the same kind of “pull” as professionals, without showing arrows.

■ Know the market’s direction with “Long-Term RCI”

The top part of the panel’s【Big-picture Judgment】is your trading lifeline. Lock your perspective around the 0 line.

Upward view (long-term > 0):Waiting only for buying (long) opportunities.
Downward view (long-term < 0):Waiting only for selling (short) opportunities.

※ The question “which side should I trade now?” is fully verbalized and presented via the long-term RCI 0-line judgment.

■ The inverse movement of “Short-Term RCI” is the time for pulling in

One of the biggest reasons beginners lose is jumping into short-term noise.

Diagnosis: Wait until it bottoms out:When the short-term is retracing, be patient to “pull in.”
Diagnosis: It’s a chance to buy the dip:In the direction of the long-term trend, the best entry point when the short-term reverses from the limit.

■ The strongest defense: Bandwalk Warning

RCI’s biggest weakness, breaking the limit in strong trends (approaching ±80 band) is automatically detected by the system.

Avoid the beginner’s deadly contrarian moves like “buy because overbought” or “sell because oversold.” This tool provides warnings to prevent this.

Follow the panel’s instructions, and always judge entries in conjunction with candlestick price action.

■Geared toward the trading patterns you must not follow

【Important】When the long-term and short-term are in conflict, absolutely stay out and observe!

The market is most unstable when the short-term crosses the 0 line against the long-term trend. This tool will clearly alert you in warning color (gold) to that potentially trend-changing moment.

Jumping in is strictly forbidden:Never trade against the long-term (26). This is Rule 1.
Avoid the back-and-forth whip:Don’t be misled by meaningless crosses near the 0 line (neutral zone).

■ Professional criteria:
It’s not “buy because RCI crossed”; it’s “buy because the long-term is above and the short-term has finished its decline and reversed.”

This simple yet hardest discipline is enforced by this tool.

■ Do you recognize any of these “losing patterns”?

―― Before increasing the number of sign tools, you should cultivate the ability to pull in ——

● Jumping in at every signal and repeatedly cutting losses “Because an arrow appeared, I entered?” This ignores market context and is just gambling.
● Overtrading by contrarian moves on overbought/oversold If you immediately contrarian-trade when RCI reaches ±80, you’ll be run over by strong trends (band). This tool warns against it.
● Jumping in on short-term cross only to suffer a back-and-forth Crosses are often delayed or deceptive. The important thing is to capture the initial move from extreme zones toward the main trend.
● Lacking confidence in your own decision RCI’s values are translated into Japanese on the panel, clarifying when to wait or seize the opportunity and preventing unnecessary trades.

Logics explanation video (about 4 minutes)

You can understand quickly why the 0 line and pullback are more important than a cross.

Audio plays (note)

This video iswith audio. Please be mindful of volume at work or when out. Lower the device volume or mute if necessary.

If you cannot play, check your browser’s ad-block extensions or security settings.

■ Features and learning logic list

Dual RCI Engine：RCI for 9-period and 26-period are fully synchronized
0-Line Baseline：Fixes the perspective based on the long-term RCI 0 line
Pullback Diagnosis：Automatic diagnosis that treats short-term retracements as pullbacks
Bandwalk Warning：Alert when there is a ±80 band banding that forbids contrarian trading

Neutral Zone Level：Neutral (noise) zone settings adjustable by parameters
Language Dashboard：Explains situations in Japanese without jargon
Draggable UI： freely place on chart without getting in the way
No-Arrow Policy：A austere design that deliberately excludes arrows to foster discretion

■ RCI Learning Pro FAQ (Q&A)

Q. Why aren’t arrows or signal sounds shown?

A. To avoid relying on the tool and to cultivate your own discretionary skills. Use the panel’s diagnostic results as reference, then ultimately look at the candlesticks yourself to decide entries.

Q. Why two lines for short-term and long-term?

A. One line cannot reveal the market environment (trend direction). This is to decide an absolute perspective with the long-term and time pullbacks with the short-term in one multi-time-frame on one screen.

Q. Should I enter on an RCI cross?

A. Not necessarily prohibited, but crosses carry delays and traps, so not recommended. This tool focuses on learning to capture the initial move from extreme zones near ±80 rather than cross signals.

Q. Is the setup difficult for beginners?

A. Just placing on the chart sets the standard periods 9 and 26. Start with the default and read the panel’s Japanese diagnostics.

THE ESSENTIAL FOUNDATION

Until when will you chase baseless arrows?

There is no Holy Grail in the FX world. Trading by signals alone will eventually deplete your funds. What you need is not a tool but the ability to recognize the environment and wait for the pullback.

Once you master this basics, you will see a path to profit in any market and with any indicator. RCI is the best教材 for that.

“RCI Learning Pro” will transform your FX from gambling to business, the strongest investment training brace.

The pleasure of not being swayed by noise,
and gaining confidence to wait.

“If I had used this earlier, I wouldn’t have made such wasteful entries.”
This is a work I am confident will earn your trust. I sincerely support your success.

Installation method

Open MT4, select “File” → “Open Data Folder.”
MQL4 → Indicators folder, copy this indicator (ex4).
Restart MT4 and drag “Indicators” from the Navigator to the chart.
Settings can be adjusted from “Inputs” (neutral zone width, ON/OFF, etc.).

Special simultaneous purchase option

The strongest combination to master discretion

Main chart indicator “Dow Theory Learning Pro”

■ See details

Learn pullbacks in timing with the sub-window’s 【RCI】 and visualize waveforms (highs and lows) on the main chart with the 【Dow Theory Learning Pro】.

“Trend direction on the main chart” + “Oscillator extremes”. Learning these two together provides a lifelong discretionary skill that helps you handle even the most complex market conditions.

Regular price:6,000 yen

Set purchase price:5,000 yen

※This applies only when purchased together with “RCI Learning Pro” on this page.

【Technical Course】From Basic to Practice of RCI!Genuine trading skills not relying on signals

[Practical Type] RCI Learning Tool｜FXSkull_RCI Learning Pro