# KDJ
{% hint style="info" %}
This is the KDJ version with the same formula as KDJ installed on [Binance](https://accounts.binance.com/register?ref=28987603) It use SMMA instead of SMA like STO.
tradingview chart:
{% endhint %}
> The KDJ indicator is a technical analysis tool and momentum oscillator, an extension of the STO ([Stochastic Oscillator](https://www.google.com/search?sca_esv=99ccd84969507416\&rlz=1C5CHFA_enVN1012VN1012\&cs=0\&sxsrf=AE3TifO2H-5EnTyRJkv7Ii9ZnrP8nd4Kiw%3A1757146768186\&q=Stochastic+Oscillator\&sa=X\&ved=2ahUKEwje25nn2cOPAxWDxzgGHSONHakQxccNegQIBBAB\&mstk=AUtExfC9Vg9c3Y8A6ADEmIiH306OjwHDBsCpqgJkxiRiSYIuWd03L3ufDMRdqy3t8_Y1Kh0ryIaM2sjAYjXc9smFuV-Ibujb-zYh4K56kawnh_cizFMSHEolNY4e4Q8-dweLv6L0tO0KdG6mBIlP6AL2b1WqHjK2YETR1HD0_7IMKTHrCCs\&csui=3)), that uses three lines (%K, %D, and %J) to identify overbought/oversold conditions, market trends, and potential trend reversals. Derived from a security's closing price relative to its recent high-low range, the KDJ helps traders find short-term trading opportunities by providing buy/sell signals based on line crossovers and by signaling extreme market conditions when lines reach 0 or 100.
* **How to calculator KDJ indicator:**
> Parameters: KDJ(RSV Period, K Period, D Period)
>
> *Example: KDJ(9,3,3) calculation for Day chart*
>
> > **RSV** = (Current closing price - 9-day minimum value)/(9-day high price - 9-day minimum value) ×100
> >
> > **K** = SMMA (RSV, 3)
> >
> > **D** = SMMA (K, 3)
> >
> > **J** = 3K - 2D
* **How to Use the KDJ Indicator**
> - **Crossovers:**
> * **Buy Signal:** When the %K line crosses above the %D line.
> * **Sell Signal:** When the %K line crosses below the %D line.
> - **Overbought/Oversold Conditions:**
> * **Overbought:** When the %J line goes above 100.
> * **Oversold:** When the %J line goes below 0.
> * When the %K and %D lines are above 80, the market is considered overbought.
> * When the %K and %D lines are below 20, the market is considered oversold.
* **Key Features and Limitations**
> - **Momentum and Reversals:**The KDJ is a momentum indicator that measures the intensity of price changes and is used to spot overbought and oversold signals, indicating potential trend reversals.
> - **Short-Term Focus:**It is highly sensitive to short-term price movements, making it a favorite for short-term traders.
> - **Volatility:**In highly volatile or volatile markets, the KDJ can generate false signals due to its high sensitivity, potentially leading to incorrect trades.
> - **Combined Use:**Traders often use the KDJ in conjunction with other indicators, like the [RSI](https://www.google.com/search?sca_esv=99ccd84969507416\&rlz=1C5CHFA_enVN1012VN1012\&cs=0\&sxsrf=AE3TifO2H-5EnTyRJkv7Ii9ZnrP8nd4Kiw%3A1757146768186\&q=RSI\&sa=X\&ved=2ahUKEwje25nn2cOPAxWDxzgGHSONHakQxccNegQIWBAB\&mstk=AUtExfC9Vg9c3Y8A6ADEmIiH306OjwHDBsCpqgJkxiRiSYIuWd03L3ufDMRdqy3t8_Y1Kh0ryIaM2sjAYjXc9smFuV-Ibujb-zYh4K56kawnh_cizFMSHEolNY4e4Q8-dweLv6L0tO0KdG6mBIlP6AL2b1WqHjK2YETR1HD0_7IMKTHrCCs\&csui=3) or [MACD](https://www.google.com/search?sca_esv=99ccd84969507416\&rlz=1C5CHFA_enVN1012VN1012\&cs=0\&sxsrf=AE3TifO2H-5EnTyRJkv7Ii9ZnrP8nd4Kiw%3A1757146768186\&q=MACD\&sa=X\&ved=2ahUKEwje25nn2cOPAxWDxzgGHSONHakQxccNegQIWBAC\&mstk=AUtExfC9Vg9c3Y8A6ADEmIiH306OjwHDBsCpqgJkxiRiSYIuWd03L3ufDMRdqy3t8_Y1Kh0ryIaM2sjAYjXc9smFuV-Ibujb-zYh4K56kawnh_cizFMSHEolNY4e4Q8-dweLv6L0tO0KdG6mBIlP6AL2b1WqHjK2YETR1HD0_7IMKTHrCCs\&csui=3), to confirm signals and reduce the chance of false trading signals.
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