Cisco Systems, Inc. (CSCO) 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.

Cisco Systems, Inc. (CSCO) operates in the Technology sector, specifically the Communication Equipment industry, with a market capitalization near $440.18B, listed on NASDAQ, employing roughly 86,200 people, carrying a beta of 1.01 to the broader market. Cisco Systems, Inc. Led by Charles H. Robbins, public since 1990-02-16.

Snapshot as of Aug 14, 2026.

Spot Price
$111.79
ATM IV
28.8%
HV 20-Day
44.3%
HV 60-Day
39.9%
IV Rank
30.4%
IV Percentile
42.9%

As of Aug 14, 2026, Cisco Systems, Inc. (CSCO) ATM implied volatility is 28.8%. 20-day realized volatility is 44.3%, producing an IV-HV spread of -15.5 vol points. Realized volatility currently exceeds implied, an inversion that can signal a pending IV expansion. IV rank is 30.4%.

How CSCO iv/hv history Data Feeds Strategy Selection

Strategy selection on Cisco Systems, 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 28.8% 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 CSCO 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 28.8%, 30.4% IV rank, against 44.3% realized over the trailing 20 trading days. Implied is currently below realized by 15.5 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.

CSCO IV/HV regimes and trade selection

CSCO IV rank at 30.4% sits mid-range - no structural edge from rank alone. Strategy choice should follow event calendar and the dealer-positioning read.

Using CSCO 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. Term structure is roughly flat at 0.004, no strong near vs far premium being priced. Pair the rank read with the slope read with the event calendar to choose the right tenor for the structure.

CSCO 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. CSCO's 30.4% IV rank places the ticker in the mid-range of its 1-year window - no strong cycle-position signal. The ratio of HV-20 (44.3%) to HV-60 (39.9%) 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 CSCO over the last ~32 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.

CSCO ATM implied volatility versus 20-day realized volatility over the last several weeksCSCO Implied vs Realized Volatility30%35%40%45%50%07-0108-13Trading 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 15 trading days (descending). Older history appears in the chart above.

DateATM IVHV 20dHV 60dIV Rank
Aug 14, 202628.8%44.3%39.9%30.4%
Aug 13, 202630.6%45.3%40.2%35.3%
Aug 12, 202649.5%29.3%35.1%88.5%
Aug 11, 202646.7%34.3%35.1%80.7%
Aug 10, 202649.3%34.0%43.5%88.0%
Aug 7, 202648.0%34.1%43.7%84.4%
Aug 6, 202648.6%34.7%43.7%85.9%
Aug 5, 202650.8%37.3%43.6%92.2%
Aug 4, 202651.4%37.4%44.4%93.8%
Aug 3, 202651.1%34.2%43.5%92.9%
Jul 31, 202651.3%34.3%44.0%93.7%
Jul 30, 202651.8%35.2%43.9%95.1%
Jul 29, 202653.3%35.3%43.9%99.2%
Jul 28, 202652.0%34.1%43.5%95.6%
Jul 27, 202651.7%34.5%43.7%94.8%

CSCO highest implied-volatility contracts

TypeStrikeExpirationVolumeOIIVBidAsk
CALL$123.00Sep 11, 20263.6K18930.8%$0.60$0.82

Top 1 contracts from the institutional-grade nightly options scan; ranked by iv within the broader S&P 500/400/600 + ETF universe.

Frequently asked CSCO iv/hv history questions

Is CSCO options pricing rich or cheap right now?
As of Aug 14, 2026, Cisco Systems, Inc. (CSCO) ATM IV is 28.8% against 20-day realized volatility of 44.3%. IV rank is 30.4%. Realized volatility currently exceeds implied: an inversion of the typical equity volatility risk premium that often precedes IV expansion.
What is the CSCO 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. CSCO is currently pricing inverted to the historical pattern, which is one input to whether short-vol or long-vol structures carry their typical edge.
What does CSCO 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. CSCO's current rank of 30.4% 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.