Should you adjust RSI settings for different altcoins?

The RSI indicator helps identify overbought or oversold conditions in crypto, but default settings may not suit volatile altcoins—adjusting periods and thresholds improves accuracy.

Aug 06, 2025 at 08:35 am

Understanding the RSI Indicator in Cryptocurrency Trading

The Relative Strength Index (RSI) is a momentum oscillator that measures the speed and change of price movements on a scale from 0 to 100. In the context of cryptocurrency trading, RSI is widely used to identify overbought or oversold conditions in digital assets. Traditionally, an RSI value above 70 is considered overbought, suggesting a potential pullback, while a value below 30 indicates oversold conditions, possibly signaling a rebound. However, the volatile nature of altcoins—cryptocurrencies other than Bitcoin—raises the question of whether standard RSI settings (typically 14 periods) are universally effective.

Altcoins often exhibit higher volatility, lower liquidity, and more pronounced price swings compared to major cryptocurrencies like Bitcoin or Ethereum. This behavior can cause the RSI to generate false signals when using default settings. For instance, an altcoin might remain in overbought territory for extended periods during a strong uptrend, misleading traders into premature short positions. Recognizing these dynamics is essential when evaluating whether adjusting RSI parameters is necessary for different altcoins.

Why Altcoin Volatility Affects RSI Readings

Altcoins vary significantly in market capitalization, trading volume, and community support, all of which influence price behavior. Low-cap altcoins, in particular, are prone to sharp pumps and dumps driven by social media hype or whale activity. These rapid movements can distort RSI readings when using a 14-period setting, as the indicator may lag or overreact.

For example, a sudden 30% price surge in a low-volume altcoin could push the RSI to 85 within a few hours. Under standard settings, this would be interpreted as extremely overbought. However, in the context of a meme coin rally, such levels might persist for days. This illustrates how default RSI thresholds may not align with the actual price dynamics of certain altcoins. Adjusting the RSI period or redefining overbought/oversold levels can help traders better interpret signals in such environments.

Customizing RSI Periods for Specific Altcoins

Adjusting the RSI period involves modifying the number of candles used in the calculation. The default 14-period RSI smooths price data over 14 intervals (e.g., 14 hours or 14 days). To adapt to different altcoin behaviors, traders can experiment with shorter or longer periods.

• Use a shorter RSI period (e.g., 7 or 9) for highly volatile altcoins to increase sensitivity to recent price changes
• Apply a longer RSI period (e.g., 21 or 28) for more stable altcoins to reduce noise and false signals
• Test different settings using historical price data on platforms like TradingView to observe how RSI reacts during past rallies or corrections

For instance, applying a 7-period RSI to a fast-moving altcoin like Shiba Inu (SHIB) may provide earlier signals during breakout phases. Conversely, a 21-period RSI might be more suitable for a project with steady development progress, such as Chainlink (LINK), where price movements are less erratic.

Revising Overbought and Oversold Thresholds

Beyond changing the period length, traders can adjust the threshold values that define overbought and oversold conditions. While 70 and 30 are standard, they may not suit all altcoins.

• For altcoins in strong uptrends, consider raising the overbought threshold to 80 to avoid premature sell signals
• In downtrending markets, lower the oversold threshold to 20 to prevent false buy signals
• Monitor how the asset historically behaves: some altcoins consistently trade above 60 RSI during bull runs

To implement this in TradingView:

• Open the chart for your chosen altcoin
• Click on “Indicators” and search for “RSI”
• Click the settings (gear) icon next to RSI
• Modify the “Length” field to your desired period (e.g., 9)
• Under “Levels,” edit the default 70 and 30 lines by adding new levels (e.g., 80 and 20)
• Save the settings and observe how the adjusted RSI aligns with price action

This customization allows for a more context-aware interpretation of momentum, tailored to the specific behavior of each altcoin.

Backtesting RSI Adjustments for Accuracy

Before applying modified RSI settings in live trading, it’s crucial to backtest them against historical data. This process helps validate whether the changes improve signal accuracy.

• Select a time frame that includes both bull and bear phases for the altcoin
• Overlay the adjusted RSI (e.g., 9-period with 80/20 levels) on the chart
• Identify past instances where the standard RSI gave false signals
• Compare how the modified RSI would have performed in those scenarios

For example, during the 2021 Dogecoin rally, the standard 14-period RSI remained above 70 for weeks. A trader using an 80-level threshold might have stayed in the trend longer without exiting prematurely. Backtesting such cases helps determine whether adjustments are beneficial.

Using Multiple Time Frame Analysis with RSI

Another effective strategy is combining RSI analysis across multiple time frames. A shorter time frame (e.g., 1-hour) can help identify entry points, while a longer one (e.g., daily) provides trend context.

• Apply a 9-period RSI on the 1-hour chart to spot short-term overbought/oversold conditions
• Use a 14 or 21-period RSI on the daily chart to confirm the overall trend direction
• Only take buy signals on the 1-hour chart if the daily RSI is above 50 (indicating bullish momentum)

This multi-layered approach reduces the risk of trading against the dominant trend, especially important in altcoins where short-term manipulation is common.

Frequently Asked Questions

Can RSI be used alone to trade altcoins?

No, RSI should not be used in isolation. It works best when combined with other tools such as volume analysis, moving averages, or support/resistance levels. Relying solely on RSI increases the risk of false signals, particularly in low-liquidity altcoins where price can be easily manipulated.

How do I know which RSI period is best for a new altcoin?

Begin by analyzing the altcoin’s price history and volatility profile. Use a charting platform to test different RSI periods and observe which one aligns best with major price reversals. A period that consistently identifies turning points without excessive noise is ideal.

Does RSI work the same on all exchanges?

Yes, RSI calculations are standardized and will produce the same values across exchanges for the same time frame and period setting. However, price discrepancies between exchanges due to liquidity differences can lead to slightly different RSI readings if the data source varies.

Is it better to use RSI on spot or futures charts for altcoins?

RSI can be applied to both, but spot charts are generally more reliable for assessing intrinsic momentum. Futures markets include funding rates and leverage effects, which can distort price action and lead to misleading RSI signals, especially in illiquid altcoin futures.