ARL Move Probability $15.65 +0.09 (+0.6%)
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)
33.1%
Stock touched +5.0% ($16.43) at least once during 14 trading days.
Median first touch: Day 7 of 14
Expiration Close Probability
28.4%
Stock closed at or beyond +5.0% at the end of the 14-day window.
The Touch Multiple
1.17x
You are 1.2x more likely to hit your target during the window than holding until expiration.
1σ Expected Move (68.3%)
±10.6%
$13.99 — $17.31
Historical 14-Day Return Distribution
Frequency of rolling 14-day percentage returns over 507 historical windows (2024-09-23 to 2026-10-20). 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) | 33.1% | 28.4% | Model-free reality across 507 historical 14-day windows. |
| Fat-Tail Adjusted (Cornish-Fisher) | — | 5.6% | Adjusts normal bell curve for real-world skewness (-0.05) and kurtosis (21.26). |
| Standard Normal (Black-Scholes / GBM) | 64.5% | 32.2% | Classic theoretical log-normal model with constant volatility (often underestimates tail risks). |
| Regime-Conditioned (Similar Volatility) | 0.0% | 0.0% | Filters for historical windows that started with volatility similar to current 20-day HV (27 matching periods). |
Underlying Volatility Profile
Volatility Metrics
- 1-Year Annualized HV: 44.9%
- Recent 20-Day HV: 10.4%
- Parkinson Intraday Volatility: 6.6%
- Vol Trend: Compressed (-77% vs baseline)
14-Day Return Quantiles
- Median Return: +0.0%
- Top 10% Move (90th percentile): +10.3%
- Bottom 10% Move (10th percentile): -13.6%
- Max Historical Gain (14d): +51.7%
- Max Historical Loss (14d): -35.1%