Volatility Analysis
6.37
-0.04
(-0.62%)
09/04/2026
Wells Fargo Advantage Funds - Allspring Income Opportunities Fund (EAD)Showing 1 year of volatilty data. To view all data, Upgrade to PRO plan!
Summary
- EAD is realising 6.3% annualised volatility over the last 21 sessions, the low end of its range — higher than 20% of readings over the past 1 year.
- Volatility has fallen from 7.2% to 6.3% over the past month (-12% relative), so the near-term trend in risk is in favour of short-volatility positioning.
- 30% of total variance is delivered overnight (5.3% annualised) against 8.2% during the session — risk is mostly intraday and can be managed inside the session.
- A GARCH(1,1) fit puts next-session vol at 6.6% against a long-run anchor of 9.2%, with persistence of 0.945 — shocks decay with a half-life of about 12 trading days. The model sees vol as below equilibrium and expects it to drift higher.
- On the empirical distribution, a 1-day 95% VaR is -0.94% with an expected shortfall beyond it of -1.20%. Excess kurtosis of 6.1 and 1.20% of days beyond 3σ (a normal distribution would give 0.27%) mean option-pricing models that assume normality will understate the tail.
- Upside volatility (10.4%) exceeds downside volatility (9.1%) — the big moves in this name have been rallies, so headline vol overstates the drawdown risk.
- Absolute returns show no significant lag-1 autocorrelation (0.121), so volatility in this name is closer to unpredictable noise than to a persistent regime — treat the GARCH forecast with caution.
- Worst peak-to-trough drawdown over the window was -8.3% (trough 2026-03-30), with an Ulcer Index of 2.60 capturing how long it stayed underwater.
Realized Vol · 21d
6.3%
Low
calm20th pctilestressed
Context · 1 year lookback
20%Percentile
-0.73Z-score
8.1%Median vol
-12%1-mo change
107%Vol of vol
6.6%GARCH next
9.2%GARCH long-run
12dShock half-life
6.0%EWMA λ=.94
Historical Volatility Close-to-Close · 21-day rolling · annualised ×√252
Volatility Cone Close-to-Close · 1 year of overlapping windows
Every realized-vol reading the stock has produced at each horizon, as a percentile envelope. The marker is today. A dot riding the top of the cone says vol is stretched for that horizon — which is the comparison that matters, since short windows are naturally noisier than long ones.
| Horizon | Min | 10th | 25th | Median | 75th | 90th | Max | Current | Percentile | Obs |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 Week 5d | 2.1 | 4.3 | 5.4 | 8.2 | 11.0 | 14.4 | 35.5 | 5.3 | 22 | 246 |
| 2 Weeks 10d | 3.7 | 4.6 | 5.9 | 7.9 | 10.7 | 13.5 | 25.7 | 5.0 | 16 | 241 |
| 1 Month 21d | 4.0 | 5.4 | 6.5 | 8.1 | 10.6 | 12.6 | 19.4 | 6.3 | 20 | 230 |
| 2 Months 42d | 5.3 | 5.5 | 7.0 | 8.2 | 10.4 | 14.7 | 15.3 | 6.7 | 19 | 209 |
| 3 Months 63d | 5.2 | 6.5 | 7.2 | 8.7 | 12.3 | 13.6 | 13.9 | 6.9 | 22 | 188 |
| 6 Months 126d | 7.1 | 8.5 | 10.1 | 10.6 | 10.8 | 10.9 | 11.0 | 10.9 | 84 | 125 |
Realized Term Structure
Current realized vol at each horizon against the median for that same horizon. When the short end sits above the long end the curve is inverted — the market is pricing a near-term event, and the spread has historically closed by the short end falling rather than the long end rising.
Estimator Comparison
Five estimators of the same quantity. They disagree in informative ways: Parkinson and Garman-Klass read the intraday range and are blind to overnight gaps; Rogers-Satchell is drift-independent, so it does not inflate on a strong trend; Yang-Zhang combines overnight, open-to-close and Rogers-Satchell and is the one to quote against implied vol.
| Estimator | 1 Month | 3 Months | 6 Months | 1 Year | Reads |
|---|---|---|---|---|---|
| Close-to-Close | 6.3 | 6.9 | 10.9 | 9.2 | total risk, incl. gaps |
| Parkinson | 6.0 | 7.3 | 9.5 | 8.5 | intraday range only |
| Garman-Klass | 5.9 | 7.7 | 9.7 | 8.7 | range + open/close |
| Rogers-Satchell | 6.1 | 8.3 | 10.2 | 9.1 | drift-independent |
| Yang-Zhang | 7.5 | 9.4 | 11.6 | 10.4 | gaps + range + drift |
Conditional Volatility Models
GARCH(1,1) fitted by maximum likelihood with variance targeting, so the model reproduces the observed long-run vol exactly. α is how hard vol reacts to a shock, β how long it remembers one; their sum is persistence. The forecast curve is the average vol expected over each horizon — the quantity an option of that tenor is exposed to, not the single-day path.
0.1737α (reaction)
0.7717β (memory)
1.84e-6ω
0.9454Persistence α+β
12.3 daysShock half-life
6.64%Next-day vol
9.21%Long-run vol
6.00%EWMA λ=0.94
250 daysSample
Tail & Drawdown Risk
VaR and expected shortfall are historical — read straight off the empirical return distribution, with no normality assumption. The parametric figures next to them assume a Gaussian; the difference between the two is the size of the tail your model would have missed.
9.21%Annualised vol
9.10%Downside vol
10.43%Upside vol
-0.94%VaR 95% (hist)
-1.35%VaR 99% (hist)
-1.20%CVaR 95% (ES)
-1.61%CVaR 99% (ES)
-0.95%VaR 95% (normal)
-1.35%VaR 99% (normal)
0.871Skew
6.12Excess kurtosis
5.20%Days beyond 2σ
1.20%Days beyond 3σ
-8.26%Max drawdown
2.60Ulcer Index
-1.86%CAGR
-0.20Sharpe (rf=0)
-0.20Sortino (rf=0)
3σ days occurred 4.4× more often than a normal distribution predicts (1.20% vs 0.27%). Any position sized off a Gaussian assumption is under-reserved for this name.
Overnight vs Intraday
Variance decomposed into the gap between one close and the next open, versus the regular session.
Overnight gap · 5.3% annualisedIntraday session · 8.2% annualised
Volatility Clustering ACF, 250 returns
Autocorrelation of raw returns, absolute returns and squared returns. Raw returns should be near zero (an efficient market); absolute and squared returns should not be — that persistence is the ARCH effect every conditional-vol model exists to capture. Bars outside the ±0.124 band are significant at 95%.
| Lag | Return | |Return| | Return² | Significance (|r|) |
|---|---|---|---|---|
| 1 | 0.017 | 0.121 | 0.062 | |
| 2 | -0.135 | 0.177 | 0.131 | |
| 3 | -0.182 | 0.259 | 0.236 | |
| 4 | 0.169 | 0.139 | 0.032 | |
| 5 | 0.095 | 0.166 | 0.104 | |
| 6 | 0.009 | -0.029 | -0.024 | |
| 7 | -0.181 | 0.171 | 0.096 | |
| 8 | -0.169 | 0.118 | 0.090 | |
| 9 | 0.046 | 0.085 | 0.091 | |
| 10 | 0.102 | 0.027 | 0.003 |
Volatility Change by Month month-over-month % change in 21-day realized vol
Not price returns — this is how much the volatility itself moved each month. Persistent positive months flag a season when risk tends to build in this name.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Min | Max | Avg |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 38.6 | -24.0 | 291.1 | -41.4 | 7.8 | -25.3 | -28.0 | 10.0 | -10.0 | -41.4 | 291.1 | 24.3 | |||
| 2025 | -14.6 | -49.0 | -49.0 | -14.6 | -31.8 | ||||||||||
| Avg change | +38.6 | -24.0 | +291.1 | -41.4 | +7.8 | -25.3 | -28.0 | +10.0 | -10.0 | — | -14.6 | -49.0 | -49.0 | 291.1 | 14.1 |
| % months vol rose | 100 | 0 | 100 | 0 | 100 | 0 | 0 | 100 | 0 | — | 0 | 0 | |||
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