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Live IV Ratio Monitoring & Entry Timing

Front/Back IV Ratio

Live front-month vs back-month IV ratio with historical mean, overbought/oversold bands and customisable alerts. Know exactly when the ratio is stretched.

8 min read Updated Pro tierLive MonitoringStatistical BandsCustom Alerts
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The screen

What the module
actually shows.

A real capture, not a mockup. Click it to enlarge, then open the same screen live on AAPL.

Front/Back IV Ratio, a module of the ApexVol Terminal.

ApexVol Terminal

Options analytics, live.

Chains, IV rank, expected move and dealer positioning for 5,500+ US stocks and ETFs.

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Free on AAPL, no account. Trial: no charge if you cancel before it ends.

On this page
  1. Every panel
  2. On the desk
  3. Ticker to decision
  4. When to reach for it
  5. Questions

What is Front/Back IV Ratio?

Front/Back IV Ratio Front/Back IV Ratio monitors the live IV ratio between front and back expirations, comparing against historical mean and standard deviation bands to identify stretched entry points for calendar spreads.

ApexVol Terminal

Options analytics, live.

Chains, IV rank, expected move and dealer positioning for 5,500+ US stocks and ETFs.

  • Live chains and Greeks
  • IV rank and percentile
  • Expected move and GEX
  • Screener and strategy P&L
Start 7-day free trial Open the Terminal

Free on AAPL, no account. Trial: no charge if you cancel before it ends.

Inside the module

Every panel,
and its job.

What the screen opens with, part by part.

Ratio Time Series

Historical ratio with mean and sigma bands

Custom Alerts

Notify when ratio crosses your threshold

Distribution Chart

Ratio by strike for optimal placement

Greeks Profiles

Delta, gamma, theta, vega for the ratio structure

Why it matters

What this buys you
on the desk.

How traders read Front/Back IV Ratio when they are looking for an edge worth taking.

Time Your Calendar Entries Statistically

When the ratio reaches +2 sigma above the mean, front-month vol is unusually rich vs back-month. That's the statistical sweet spot for selling a calendar spread.

Set Alerts and Walk Away

Configure alerts for ratio thresholds. Get notified when the entry condition hits instead of watching the screen all day.

Understand the Distribution

The distribution chart shows the ratio by strike — find the specific strike where the ratio is most stretched for optimal calendar placement.

How it works

From a ticker
to a decision.

The order the screen expects you to work in.

  1. Select ticker

    Enter any US stock or ETF

  2. Review data

    Analyse the key metrics and charts

  3. Identify signal

    Find the actionable insight

  4. Execute

    Use the signal to inform your trade

Use cases

When you would
reach for it.

Mean Reversion Entry
Wait for the ratio to reach +2 sigma, then sell the calendar. The ratio tends to revert to the mean within 5-10 trading days.
Monitoring
Set alerts on your key tickers and review ratio levels each morning to find the day's best opportunities.

Questions

What people ask
about this screen.

What timeframes are available?

1 month, 3 months, 6 months, 1 year and 2 years of historical ratio data.

Can I set custom alerts?

Yes. Set alerts for when the ratio crosses above or below a specific threshold. Alerts are configured per ticker.

Keep reading

What traders open
next to this.

The Calendar Spread Analyzer module in the ApexVol Terminal.

Calendar Spread Analyzer Read the guide

The Volatility Arbitrage module in the ApexVol Terminal.

Volatility Arbitrage Read the guide

The Term Vol Analytics module in the ApexVol Terminal.

Term Vol Analytics Read the guide

Read next

Understanding the GreeksDelta, gamma, theta and vega, from first principles. Implied volatilityWhat the number means and what it does not. How to trade optionsThe mechanics, in the order you meet them. 0DTE optionsSame-day expiration and why the risk changes shape. Options glossaryEvery term, defined and cross-linked. Strategy guidesEach structure, with what it costs you. Learning centreThe whole curriculum, in order.

Run it, do not just read it

Options profit calculatorPayoff, breakeven and Greeks. Greeks calculatorDelta, gamma, theta, vega. IV rank calculatorImplied volatility and IV rank. Options chainReal-time Greeks on a live chain. Greeks heatmapWhere the exposure actually sits. Volatility labIV analysis across the surface. Strategy simulatorTest the structure before you place it. IV intelligenceThe surface in three dimensions. Options screenerFind the setups worth a look. Historical dataPast snapshots, back to 2007. EarningsHistorical moves and the IV around them. 0DTE analyticsSame-day expiration, same-day risk.

You have read the screen.
Now run it.

Front/Back IV Ratio is one pane of the Terminal, and it opens on AAPL without an account. Every plan points the same module at the other 5,500 tickers.

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