WSE Move Probability $12.21 +0.29 (+2.4%)
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)
14.3%
Stock touched +5.0% ($12.83) at least once during 3 trading days.
Median first touch: Day 2 of 3
Expiration Close Probability
7.6%
Stock closed at or beyond +5.0% at the end of the 3-day window.
The Touch Multiple
1.87x
You are 1.9x more likely to hit your target during the window than holding until expiration.
1σ Expected Move (68.3%)
±4.7%
$11.64 — $12.79
Historical 3-Day Return Distribution
Frequency of rolling 3-day percentage returns over 105 historical windows (2026-05-11 to 2026-10-13). The colored bar indicates the win zone for +5.0%.
Historical returns
Target move zone (+5.0%+)
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) | 14.3% | 7.6% | Model-free reality across 105 historical 3-day windows. |
| Fat-Tail Adjusted (Cornish-Fisher) | — | 12.1% | Adjusts normal bell curve for real-world skewness (-0.12) and kurtosis (1.64). |
| Standard Normal (Black-Scholes / GBM) | 30.2% | 15.1% | Classic theoretical log-normal model with constant volatility (often underestimates tail risks). |
| Regime-Conditioned (Similar Volatility) | 10.0% | 0.0% | Filters for historical windows that started with volatility similar to current 20-day HV (10 matching periods). |
Underlying Volatility Profile
Volatility Metrics
- 1-Year Annualized HV: 43.3%
- Recent 20-Day HV: 20.3%
- Parkinson Intraday Volatility: 26.9%
- Vol Trend: Compressed (-53% vs baseline)
3-Day Return Quantiles
- Median Return: -0.1%
- Top 10% Move (90th percentile): +4.4%
- Bottom 10% Move (10th percentile): -5.8%
- Max Historical Gain (3d): +11.3%
- Max Historical Loss (3d): -16.1%