Capital Southwest Corp

CSWCNASDAQ · USD
23.13USD0.00 (+0.40%)
467

Capital Southwest Corp (CSWC) Historical Volatility

CSWC 30-day historical volatility is 15%. This ranks in the 5th percentile of readings over the past year.

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Tracking CSWC historical volatility helps you see how much Capital Southwest Corp's stock price has actually moved over past periods, giving you a baseline to judge whether current option premiums are fair, cheap, or expensive. While implied volatility tells you what the market expects, Capital Southwest Corp's HV tells you what really happened. Use our scanner to monitor CSWC 30 day historical volatility alongside longer lookback windows and spot the moments when realized and implied diverge.

Historical volatility is the annualized standard deviation of an underlying's past returns, typically measured over rolling windows like 10, 20, 30, or 60 days. The CSWC 30 day historical volatility is one of the most widely watched readings because it balances responsiveness with stability. Comparing Capital Southwest Corp's HV to its implied volatility reveals the volatility risk premium — when IV sits well above HV, option sellers tend to have an edge; when HV runs hot relative to IV, buyers may be underpaying for movement.

Capital Southwest Corporation is a business development company specializing in credit and private equity and venture capital investments in middle market companies, mezzanine, later stage, mature, late venture, emerging growth, buyouts, recapitalizations and growth capital investments. It does not invest in startups, publicly traded companies, real estate developments, project finance opportunities, oil and gas exploration businesses, troubled companies, turnarounds, and companies in which significant senior management is departing. In lower middle market, the firm typically invests in growth financing, bolt-on acquisitions, new platform acquisitions, refinancing, dividend recapitalizations, sponsor-led buyouts, and management buyouts situations.

The investment structures are Unitranche debt, subordinated debt, senior debt, first and second lien debt, and preferred and common equity. The firm makes equity co-investments alongside debt investments, up to 20% of total check and only makes non-control investments. It prefers to invest in Industrial manufacturing and services, value-added distribution, healthcare products and services, business services, specialty chemicals, food and beverage, tech-enabled services and SaaS models. The firm seeks to invest in energy services and products, industrial technologies, and specialty chemicals and products. Within energy services and products, the firm seeks to invest in each segment of the industry, including upstream, midstream and downstream, excluding exploration and production with a focus on differentiated products and services, equipment and tool rental, consumable products, and drilling and completion chemicals. Within industrial technologies, it seeks to invest in automation and process controls, handling and packaging equipment, industrial filtration and fluid handling, measurement, monitoring and testing, professional tools, and sensors and instrumentation. Within and specialty chemicals and products, the firm seeks to invest in businesses that develop and manufacture highly differentiated chemicals and products including adhesives, coatings and sealants, catalysts and absorbents, cosmeceuticals, fine chemicals, flavors and fragrances, performance lubricants, polymers, plastics and composites, chemical dispensing and filtration equipment, professional and industrial trade consumables and tools, engineered solutions for HVAC, plumbing, and electrical installations, specified high performance materials for fire protection and oilfield applications. It may also invest in exceptional opportunities in building products. The firm seeks to invest in the United States. The firm seeks to make investments ranging from $5 to $25 million in securities. It seeks to make equity investments ranging from $5 million to $50 million and debt investments between $5 million and $20 million and co-invest in transaction size up to $40 million. It prefers to invest in companies with revenues approaching above $10 million, profitable operations, historical growth rate of at least 15 percent per year. Within the lower middle market, it seeks to invest in with less than $15 million in EBITDA and also opportunistically invests in the upper middle market, generally defined as companies with EBITDA in excess of $50 million. In addition to making direct investments, the firm allocates capital to syndicated first and second lien term loans in the upper middle market. Criteria for Upper Middle Market Syndicated 1st Lien is EBITDA Size more than $30 million, Closing Leverage greater than 4 times, investment hold size between $5 million and $7 million, investment yield greater than 6.5%. Criteria for Upper Middle Market Syndicated 2nd Lien is EBITDA Size more than $50 million, Closing Leverage greater than 6 times, investment hold size between $5 million and $7 million, investment yield greater than 9%. It prefers to take a majority and minority stake. The firm has the flexibility to hold investments for very long period in its portfolio companies. It may also invest through warrants. The firm prefers to take Board participation in its portfolio companies. Capital Southwest Corporation was founded on April 19, 1961 and is based in Dallas, Texas.

Sizing a long premium trade, modeling a covered call, or hunting volatility arbitrage all come back to one question: how much has the stock actually moved? Our scanner puts Capital Southwest Corp's historical volatility side-by-side with implied readings across every lookback window, so you can see exactly where CSWC HV is running hot, cold, or in line. Make the CSWC 30 day historical volatility — and every other window — work for your edge instead of against it.

IV vs HV
Implied Volatility (IV) vs Historical Volatility (HV) over the past month.

As of September 25, 2026

IV - HV Difference
Difference between IV and HV over time. Positive values indicate IV > HV.

As of September 25, 2026

See how volatility has moved over time

Track CSWC historical volatility, spot where IV and realized volatility diverge, and find options that are priced in your favor right now.

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