VIX EMA/SMA divergence
Apr 11, 2015

The VIX EMA/SMA divergence indicator aims to identify shifts in market sentiment and volatility regimes by tracking the relationship between the exponential and simple moving averages of the VIX index.
Usage
The Usage section focuses on identifying trend changes in market volatility. When the VIX EMA crosses above the VIX SMA, it typically suggests an environment of increasing market risk or fear, which is often associated with bearish pressure on equities. Conversely, when the VIX EMA falls below the VIX SMA, it indicates decreasing volatility and a potential return to a "risk-on" environment.
The indicator applies a background highlight to make these transitions easily identifiable:
- Red Background: Occurs when the VIX EMA is greater than or equal to the VIX SMA, signaling heightened volatility.
- Green Background: Occurs when the VIX EMA is below the VIX SMA, signaling a cooling volatility environment.
Details
The script is based on concepts discussed in market research regarding the predictability of the VIX through moving average crossovers. It retrieves the daily closing price of the CBOE Volatility Index (VIX) using a security request to ensure consistent calculation regardless of the chart's primary symbol. By comparing an Exponential Moving Average (EMA) and a Simple Moving Average (SMA) of the same length, the script captures the momentum of volatility; because the EMA reacts faster to recent price changes than the SMA, their divergence serves as a leading indicator for shifts in market stress.
Settings
- Length: Determines the lookback period used for both the Exponential Moving Average and the Simple Moving Average calculations. A shorter length increases sensitivity to daily fluctuations, while a longer length provides a smoother representation of the volatility trend.
FAQ
How do I interpret a red background?
A red background indicates that the VIX EMA is currently above the VIX SMA, suggesting that volatility is trending upward and market risk is increasing.
Can this be used on any ticker?
Yes, the script automatically fetches VIX data regardless of which ticker you have open on your main chart, allowing you to monitor broad market risk while trading individual stocks or indices.
How can I access the VIX EMA/SMA divergence?
You can get access on the LuxAlgo Library for charting platforms like TradingView, MetaTrader (MT4/MT5), and NinjaTrader for free.
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