Implied Volatility History — Brent Winter-25 69/77 call spread
📝 Description
This tab visualises the historical implied volatility (IV) or premium of a specific options contract with flexible maturity and contract rolling basis.
The main chart shows daily implied volatility trends over time, plotted alongside the underlying asset's price trajectory. Supplementing the time series is a distribution histogram, which reveals how current volatility compares to historical values by percentile, long-run average, and recent levels.
This visualisation is a critical tool for:
📊 Options traders evaluating the relative expensiveness of premiums
🔄 Volatility strategists identifying overbought or oversold volatility conditions
🧠 Risk managers monitoring implied risk ahead of macro events or earnings
🔍 Quantitative researchers studying market regime shifts or volatility clustering
With dynamic filters for price type, contract, maturity, and granularity, this tool allows precise navigation across the volatility landscape.
🎛️ Interactive Controls
- Price Type - Selects the metric to analyse
- Implied Vol - Implied volatility of option
- Premium - Premium of option
- Contract Type - Defines rollover logic for maturities
- Rolling - Roll option to maintain similar contract for extended history.
- Fixed - Track full history of selected option.
- Maturity - Defines maturity logic for the option
- Nearest - Finding the closest option to selected option DTE
- Constant - Keeping current option maturity constant, i.e. Front, Second.
- Trade Leg - Chooses the specific option series
- 69.5 Jan-26 - All single legs of selected structure.
- ATM Jan 26 - At The Money Option for all selected options in a structure.
- Strategy - Display combined price / iv for entire structure
- All - Display all legs at the same time on the chart.
- Granularity - Sets resolution for the summarisation. If > Days Granularity will be selected, data will be aggregated for this period.
- Days
- Weeks
- Months
- Quarter
- Half-Year
- Year
📌 Chart Components
Time-Series Panel (Left)
- Green Line - Implied Volatility (%) of selected option
- Blue Line - Underlying Asset Price (on separate scale)
- Dashed Green - IV data points where no open interest is detected
- Dots - Annotated extremes in both IV and Underlying Price
Distribution Histogram (Right)
- Histogram - Histogram of IV / Price for the selected time range
- Bar Colors - Light teal = Older data, Dark blue = Recent data
- Average Line - Dashed horizontal line shows historical average
- Last Line - Most recent IV / Price.
- Percentile Marker - Current IV / Price is in the X% percentile
Timeline & Mini-map (Bottom):
- Zoom Control - Drag to isolate specific time windows
- Mini Map - Full range of Underlying and IV / Price history
📚 Data Sources
- Implied Volatility: Derived from market options pricing (settlement / midpoint quotes)
- Underlying Price: From futures or spot price feed, depending on contract
- Observation Window: Last 5 years of data
🧩 Interpretation Tips
- 🟢 High IV readings often signal market uncertainty, potential event risk, or option overvaluation.
- 🔵 Histogram analysis provides a visual intuition for percentile-based comparisons, useful for IV rank, reversion trades, and relative value decisions.
- 📉 Use the percentile view to spot whether current IV is historically cheap or rich — guiding decisions around straddles, strangles, or premium selling.
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