Westar Energy, Inc. (WR) 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.

Westar Energy, Inc. (WR) operates in the Utilities sector, specifically the General Utilities industry, listed on NYSE, carrying a beta of 0.31 to the broader market. public since 1987-08-25.

Snapshot as of May 29, 2026.

Spot Price
$25.48
ATM IV
62.7%
HV 20-Day
264.7%
HV 60-Day
153.6%
IV Rank
40.7%
IV Percentile
92.9%

As of May 29, 2026, Westar Energy, Inc. (WR) ATM implied volatility is 62.7%. 20-day realized volatility is 264.7%, producing an IV-HV spread of -202.0 vol points. Realized volatility currently exceeds implied, an inversion that can signal a pending IV expansion. IV rank is 40.7%.

How WR iv/hv history Data Feeds Strategy Selection

Strategy selection on Westar Energy, 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 62.7% and dealer gamma exposure is positive, so dealer hedging is mechanically mean-reverting. 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 WR IV vs HV chart

The dual-line chart above 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 62.7%, 40.7% IV rank, against 264.7% realized over the trailing 20 trading days. Implied is currently below realized by 202.0 vol points, an inverted regime where premium buyers are underpaying for the move - rare and often a setup for IV expansion. 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.

WR IV/HV regimes and trade selection

WR IV rank at 40.7% sits mid-range - no structural edge from rank alone. Strategy choice should follow event calendar and the dealer-positioning read.

Using WR 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 -0.259) 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.

WR 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. WR's 40.7% IV rank places the ticker in the mid-range of its 1-year window - no strong cycle-position signal. The ratio of HV-20 (264.7%) to HV-60 (153.6%) 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 above 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 WR over the last ~2 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.

WR ATM implied volatility versus 20-day realized volatility over the last several weeksWR Implied vs Realized Volatility100%150%200%250%05-2805-2805-2805-2905-2905-29Trading DayVolatilityATM IVHV 20d
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 2 trading days (descending). Older history appears in the chart above.

DateATM IVHV 20dHV 60dIV Rank
May 29, 202662.7%264.7%153.6%40.7%
May 28, 202657.5%264.5%153.6%36.6%