Gladstone Capital Corp

GLADNASDAQ · USD
19.38USD+0.05 (+0.26%)
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Gladstone Capital Corp (GLAD) Historical Volatility

GLAD's 30 day historical volatility is 21.03%, in the 34th percentile of readings over the past year. This is an average percentile, meaning Gladstone Capital Corp shares have moved roughly in line with their typical range. GLAD's 30 day implied volatility sits at 33.82%, with an IV Rank of 30.16%, leaving IV 12.79 points above historical volatility. This means options are pricing in more movement than the stock has actually delivered, as of Nov 5, 2026.

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Tracking GLAD historical volatility helps you see how much Gladstone Capital Corp's stock price has actually moved, giving you a baseline for whether option premiums look fair, cheap, or expensive. While implied volatility shows what the market expects, GLAD's HV, also known as realized volatility, shows what actually happened. Use our scanner to monitor GLAD 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 a stock's past returns, typically measured over rolling windows like 10, 20, 30, or 60 days. GLAD's 30 day historical volatility, or GLAD HV, is one of the most widely watched readings because it balances responsiveness with stability. Comparing GLAD's HV to its implied volatility reveals the volatility risk premium. When IV sits well above HV, options are pricing in more movement than the stock has actually delivered, giving option sellers an edge. When HV runs hot relative to IV, options are pricing in less movement than the stock has delivered, and buyers may be underpaying for it.

Gladstone Capital Corporation is a business development company specializing in lower middle market, growth capital, add on acquisitions, change of control, buy & build strategies, debt refinancing, debt investments in senior term loans, revolving loans, secured first and second lien term loans, senior subordinated loans, unitranche loans, junior subordinated loans, and mezzanine loans and equity investments in the form of common stock, preferred stock, limited liability company interests, or warrants. It operates as a business development company. The fund also makes private equity investments in acquisitions, buyouts and recapitalizations, and refinancing existing debts.

Historical Volatility

HV Percentile
34thHV Percentile
Moderate

Historical movement is near its typical level for the past year. Neither unusually calm nor unusually active.

Historical Volatility (30d)21.03%

HV Percentile34th

Implied Volatility (30d)33.82%

IV Rank30.16%

IV Minus HV+12.79%

As of Nov 5, 2026

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

As of Nov 5, 2026

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

As of Nov 5, 2026

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