WMT Move Probability $107.51 -0.59 (-0.5%)
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)
43.0%
Stock touched +5.0% ($112.89) at least once during 14 trading days.
Median first touch: Day 8 of 14
Expiration Close Probability
23.3%
Stock closed at or beyond +5.0% at the end of the 14-day window.
The Touch Multiple
1.85x
You are 1.9x more likely to hit your target during the window than holding until expiration.
1σ Expected Move (68.3%)
±5.9%
$101.20 — $113.82
Historical 14-Day Return Distribution
Frequency of rolling 14-day percentage returns over 507 historical windows (2024-08-19 to 2026-09-16). 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) | 43.0% | 23.3% | Model-free reality across 507 historical 14-day windows. |
| Fat-Tail Adjusted (Cornish-Fisher) | — | 9.4% | Adjusts normal bell curve for real-world skewness (-0.43) and kurtosis (6.53). |
| Standard Normal (Black-Scholes / GBM) | 40.5% | 20.3% | Classic theoretical log-normal model with constant volatility (often underestimates tail risks). |
| Regime-Conditioned (Similar Volatility) | 34.6% | 18.5% | Filters for historical windows that started with volatility similar to current 20-day HV (130 matching periods). |
Underlying Volatility Profile
Volatility Metrics
- 1-Year Annualized HV: 24.9%
- Recent 20-Day HV: 40.2%
- Parkinson Intraday Volatility: 20.0%
- Vol Trend: Expanded (+62% vs baseline)
14-Day Return Quantiles
- Median Return: +1.3%
- Top 10% Move (90th percentile): +8.3%
- Bottom 10% Move (10th percentile): -6.4%
- Max Historical Gain (14d): +17.3%
- Max Historical Loss (14d): -15.9%