NDAQ Move Probability $102.27 +6.08 (+6.3%)
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)
41.8%
Stock touched +5.0% ($107.38) at least once during 14 trading days.
Median first touch: Day 8 of 14
Expiration Close Probability
25.0%
Stock closed at or beyond +5.0% at the end of the 14-day window.
The Touch Multiple
1.68x
You are 1.7x more likely to hit your target during the window than holding until expiration.
1σ Expected Move (68.3%)
±6.1%
$96.04 — $108.50
Historical 14-Day Return Distribution
Frequency of rolling 14-day percentage returns over 509 historical windows (2024-09-23 to 2026-10-22). 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) | 41.8% | 25.0% | Model-free reality across 509 historical 14-day windows. |
| Fat-Tail Adjusted (Cornish-Fisher) | — | 11.8% | Adjusts normal bell curve for real-world skewness (-0.67) and kurtosis (5.83). |
| Standard Normal (Black-Scholes / GBM) | 42.3% | 21.1% | Classic theoretical log-normal model with constant volatility (often underestimates tail risks). |
| Regime-Conditioned (Similar Volatility) | 34.7% | 13.1% | Filters for historical windows that started with volatility similar to current 20-day HV (245 matching periods). |
Underlying Volatility Profile
Volatility Metrics
- 1-Year Annualized HV: 25.8%
- Recent 20-Day HV: 27.9%
- Parkinson Intraday Volatility: 21.5%
- Vol Trend: Normal / Consistent
14-Day Return Quantiles
- Median Return: +1.4%
- Top 10% Move (90th percentile): +7.9%
- Bottom 10% Move (10th percentile): -6.4%
- Max Historical Gain (14d): +21.5%
- Max Historical Loss (14d): -19.7%