Is EFX options pricing rich or cheap right now?

As of Oct 13, 2026, Equifax Inc. (EFX) ATM IV is 52.9% against 20-day realized volatility of 30.6%. IV rank is 84.7%. EFX options are pricing in more volatility than the stock has recently realized: a positive variance risk premium worth 22.3 vol points.

What is the EFX variance risk premium?

The variance risk premium is the persistent gap between implied and subsequently realized volatility. In equity markets it averages positive because option sellers demand compensation for bearing variance shocks. EFX is currently priced consistently with this premium, which is one input to whether short-vol or long-vol structures carry their typical edge.

What does EFX IV rank mean for strategy selection?

IV rank normalizes the current ATM IV to its 1-year range: 0% is the low, 100% is the high. EFX's current rank of 84.7% signals where current pricing sits in its own 1-year history. High-rank regimes typically favor premium-selling structures (credit spreads, condors, covered calls); low-rank regimes typically favor premium-buying or long-volatility structures.

Equifax Inc. (EFX) IV/HV History

Comparing implied volatility to historical (realized) volatility reveals whether options are priced rich or cheap relative to actual price movement. Persistent gaps can signal trading opportunities.

Equifax Inc. (EFX) operates in the Industrials sector, specifically the Consulting Services industry, with a market capitalization near $17.51B, listed on NYSE, employing roughly 15,000 people, carrying a beta of 1.34 to the broader market. Equifax Inc. Led by Mark W. Begor, public since 1980-03-17.

Snapshot as of Oct 13, 2026.

Spot Price: $149.61
ATM IV: 52.9%
HV 20-Day: 30.6%
HV 60-Day: 39.5%
IV Rank: 84.7%
IV Percentile: 98.8%

As of Oct 13, 2026, Equifax Inc. (EFX) ATM implied volatility is 52.9%. 20-day realized volatility is 30.6%, producing an IV-HV spread of +22.3 vol points. Options are pricing in more volatility than the stock has recently delivered, the volatility risk premium. IV rank is 84.7%.

How EFX iv/hv history Data Feeds Strategy Selection

Strategy selection on Equifax Inc. options does not derive from any single metric in isolation. The iv/hv history view above sits inside a broader read: ATM IV currently sits at 52.9% and dealer gamma exposure is negative, so dealer hedging amplifies directional moves. Combine the iv/hv history data here with the volatility-skew surface, dealer-gamma exposure, max-pain level, and upcoming-events calendar to build a positioning thesis. Risk-defined structures (credit spreads, debit spreads, iron condors) are usually safer than naked positions while the regime is uncertain; the data on this page anchors the inputs but does not by itself constitute a trade thesis.

How to read the EFX IV vs HV chart

The dual-line chart below tracks ATM implied volatility (forward-looking, what the chain is pricing) against 20-day realized historical volatility (backward-looking, what actually happened). ATM IV currently prints at 52.9%, 84.7% IV rank, against 30.6% realized over the trailing 20 trading days. Implied is pricing above realized by 22.3 vol points, the typical variance-risk-premium positive state in which premium sellers earn the gap. Persistent IV-above-HV is the variance-risk-premium-positive state typical of equity markets; persistent IV-below-HV is rare and usually marks underpriced vol that often expands.

EFX IV/HV regimes and trade selection

EFX sits in the top quartile of its 1-year IV range. High-IV-rank regimes statistically favor premium-selling - the elevated implied is more likely to mean-revert than to expand further. Iron condors, covered calls, and cash-secured puts collect more premium per unit of notional risk; size wings to the implied move and exit on first sign of HV catching up.

Using EFX vol history alongside the term structure

The IV/HV gap on this page captures the level of premium; the term-structure slope on the volatility page captures its shape across expirations. Backwardation (negative slope -0.038) indicates acute near-term event risk - near-dated tenors price disproportionate vol. Pair the rank read with the slope read with the event calendar to choose the right tenor for the structure.

EFX IV/HV signal in volatility-cycle context

Equity-vol cycles tend to compress and expand on multi-month timeframes: a typical sequence runs low-IV-rank consolidation (months of flat tape, decaying premium) into a vol-expansion catalyst (earnings miss, macro shock, regime change) into elevated-IV-rank stress (premiums fat, dispersion high) back to mean-reverting compression. EFX's current 84.7% IV rank places the ticker in the expansion or stress phase of that cycle. Premium-selling carries the typical structural tailwind here, but the mean-reverting compression that completes the cycle has historically arrived sharply rather than gradually. The ratio of HV-20 (30.6%) to HV-60 (39.5%) gives a second cycle indicator: when 20-day exceeds 60-day, recent realization is running hotter than the trailing-quarter average - typically a sign that recent days have already started expanding vol regardless of where IV rank prints. Use the time series below to spot inflection points: meaningful IV/HV gap closures and openings tend to precede regime shifts by a few sessions.

Learn how implied vs realized volatility is reported and how to read the data →

Daily ATM implied volatility and 20-day realized (historical) volatility for EFX over the last ~30 trading days. The IV-HV gap measures the variance risk premium - when IV trades persistently above realized HV, premium-sellers earn the spread; when IV dips below HV, vol is structurally underpriced.

Daily values from end-of-day option_ticker_snapshots. Series sparse on illiquid tickers reflects gaps in the upstream end-of-day options data feed.

Most recent 15 trading days (descending). Older history appears in the chart above.

Date	ATM IV	HV 20d	HV 60d	IV Rank
Oct 13, 2026	52.9%	30.6%	39.5%	84.7%
Oct 12, 2026	51.4%	29.4%	39.6%	80.0%
Oct 9, 2026	44.6%	29.9%	39.5%	58.8%
Oct 8, 2026	45.8%	30.3%	40.4%	62.6%
Oct 7, 2026	46.6%	28.4%	40.4%	65.1%
Oct 6, 2026	45.6%	28.7%	40.7%	62.0%
Oct 5, 2026	46.5%	29.3%	41.5%	64.8%
Oct 2, 2026	44.2%	33.0%	41.1%	57.6%
Oct 1, 2026	43.0%	34.3%	41.1%	53.8%
Sep 30, 2026	47.2%	33.0%	41.7%	66.9%
Sep 29, 2026	46.1%	32.9%	41.8%	63.5%
Sep 28, 2026	42.2%	32.5%	41.4%	51.4%
Sep 25, 2026	40.6%	33.9%	42.9%	46.4%
Sep 24, 2026	40.1%	34.4%	43.2%	44.8%
Sep 23, 2026	39.4%	32.7%	42.4%	42.6%

Frequently asked EFX iv/hv history questions

Is EFX options pricing rich or cheap right now?: As of Oct 13, 2026, Equifax Inc. (EFX) ATM IV is 52.9% against 20-day realized volatility of 30.6%. IV rank is 84.7%. EFX options are pricing in more volatility than the stock has recently realized: a positive variance risk premium worth 22.3 vol points.
What is the EFX variance risk premium?: The variance risk premium is the persistent gap between implied and subsequently realized volatility. In equity markets it averages positive because option sellers demand compensation for bearing variance shocks. EFX is currently priced consistently with this premium, which is one input to whether short-vol or long-vol structures carry their typical edge.
What does EFX IV rank mean for strategy selection?: IV rank normalizes the current ATM IV to its 1-year range: 0% is the low, 100% is the high. EFX's current rank of 84.7% signals where current pricing sits in its own 1-year history. High-rank regimes typically favor premium-selling structures (credit spreads, condors, covered calls); low-rank regimes typically favor premium-buying or long-volatility structures.