V-Lab
Duolingo Inc GARCH Volatility Analysis
Volatility prediction for Wednesday, August 12th, 2026
1 Day
69.52%
decreased by 2.34%
1 Week
68.89%
decreased by 2.97%
1 Month
67.63%
decreased by 4.23%
Analysis last updated: Tuesday, August 11, 2026 at 09:58 PM UTC
News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jul 28, 2021 to Aug 7, 2026Model Insight
Volatility shocks decay with a half-life of 5 trading days, meaning a shock loses half its impact after approximately 5 days.
σ
GARCH Model
Tap to view equation
| Parameter | Value | t-statistic |
|---|---|---|
ω const Unconditional variance weight | 2.1086 | 8.18*** |
α ARCH Response to squared shocks | 0.0511 | 7.51*** |
β GARCH Volatility persistence | 0.8288 | 45.88*** |
Persistence:
0.880
Half-life:
5 days
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