Bangladesh Dhaka Stock Exchange Broad Index MF2-GARCH Volatility Analysis
Volatility prediction for Thursday, October 15th, 2026
1 Day
9.88%
decreased by 0.56%
1 Week
10.30%
decreased by 0.14%
1 Month
12.14%
increased by 1.70%
Analysis last updated: Thursday, October 15, 2026 at 06:04 PM UTC
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News Impact Curve
How returns affect tomorrow's volatilityVolatility Forecast
How volatility evolves over timeParameter Estimates
Jan 28, 2013 to Oct 8, 2026Model Insight
This asset exhibits a notable leverage effect: negative returns increase next-day volatility 59% more than equivalent positive returns.
σ
MF2-GARCH Model
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Leverage: Negative returns increase volatility 59% more than positive returns
| Param | Value | t-stat |
|---|---|---|
| mwindow | 61 | |
| αARCH | 0.1376 | 5.58*** |
| βGARCH | 0.7925 | 49.85*** |
| γleverage | 0.0819 | 2.72*** |
| λ₁tau intercept | 0.0410 | 1.20 |
| λ₂forecast adj. | 0.5491 | 3.86*** |
| λ₃tau persistence | 0.4163 | 2.90*** |
0.971
Persistence24d
Half-lifeσ
MF2-GARCH Model
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| Parameter | Value | t-statistic |
|---|---|---|
m window Rolling window length | 61 | |
α ARCH Response to squared shocks | 0.1376 | 5.58*** |
β GARCH Volatility persistence | 0.7925 | 49.85*** |
γ leverage Additional response to negative shocks | 0.0819 | 2.72*** |
λ₁ tau intercept Baseline long-term coefficient | 0.0410 | 1.20 |
λ₂ forecast adj. Forecast performance sensitivity | 0.5491 | 3.86*** |
λ₃ tau persistence Long-term factor persistence | 0.4163 | 2.90*** |
Persistence:
0.971
Half-life:
24 days
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