AMD Move Probability $482.30 -22.90 (-4.5%)
Real historical back-data analysis: evaluates rolling trading-day windows to determine the probability of a stock touching or closing at your target move.
Touch Probability (First Passage)
73.4%
Stock touched -3.5% ($465.42) at least once during 10 trading days.
Median first touch: Day 2 of 10
Expiration Close Probability
32.0%
Stock closed at or beyond -3.5% at the end of the 10-day window.
The Touch Multiple
2.29x
You are 2.3x more likely to hit your target during the window than holding until expiration.
1σ Expected Move (68.3%)
±12.5%
$422.01 — $542.59
Historical 10-Day Return Distribution
Frequency of rolling 10-day percentage returns over 512 historical windows (2024-10-03 to 2026-11-02). The colored bar indicates the win zone for -3.5%.
Historical returns
Target move zone (-3.5%+)
Target threshold bin
Probability Breakdown: Empirical vs. Theoretical Models
Comparing actual market back-data against Black-Scholes and Fat-Tail adjustments.
| Model / Methodology | Touch Probability | Expiration Close Probability | What It Tells You |
|---|---|---|---|
| Empirical Back-Data (Actual History) | 73.4% | 32.0% | Model-free reality across 512 historical 10-day windows. |
| Fat-Tail Adjusted (Cornish-Fisher) | — | 36.1% | Adjusts normal bell curve for real-world skewness (0.49) and kurtosis (4.48). |
| Standard Normal (Black-Scholes / GBM) | 77.6% | 38.8% | Classic theoretical log-normal model with constant volatility (often underestimates tail risks). |
| Regime-Conditioned (Similar Volatility) | 74.5% | 33.1% | Filters for historical windows that started with volatility similar to current 20-day HV (290 matching periods). |
Underlying Volatility Profile
Volatility Metrics
- 1-Year Annualized HV: 62.8%
- Recent 20-Day HV: 69.6%
- Parkinson Intraday Volatility: 43.5%
- Vol Trend: Normal / Consistent
10-Day Return Quantiles
- Median Return: +0.8%
- Top 10% Move (90th percentile): +20.3%
- Bottom 10% Move (10th percentile): -10.5%
- Max Historical Gain (10d): +46.4%
- Max Historical Loss (10d): -31.9%