SNXX Move Probability $8.47 -1.72 (-16.9%)
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)
58.1%
Stock touched +5.0% ($8.89) at least once during 1 trading days.
Median first touch: Day 1 of 1
Expiration Close Probability
37.6%
Stock closed at or beyond +5.0% at the end of the 1-day window.
The Touch Multiple
1.54x
You are 1.5x more likely to hit your target during the window than holding until expiration.
1σ Expected Move (68.3%)
±13.6%
$7.31 — $9.63
Historical 1-Day Return Distribution
Frequency of rolling 1-day percentage returns over 186 historical windows (2026-01-27 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) | 58.1% | 37.6% | Model-free reality across 186 historical 1-day windows. |
| Fat-Tail Adjusted (Cornish-Fisher) | — | 36.5% | Adjusts normal bell curve for real-world skewness (-0.15) and kurtosis (0.24). |
| Standard Normal (Black-Scholes / GBM) | 72.1% | 36.0% | Classic theoretical log-normal model with constant volatility (often underestimates tail risks). |
| Regime-Conditioned (Similar Volatility) | 26.7% | 16.7% | Filters for historical windows that started with volatility similar to current 20-day HV (30 matching periods). |
Underlying Volatility Profile
Volatility Metrics
- 1-Year Annualized HV: 216.7%
- Recent 20-Day HV: 117.8%
- Parkinson Intraday Volatility: 157.0%
- Vol Trend: Compressed (-46% vs baseline)
1-Day Return Quantiles
- Median Return: +0.3%
- Top 10% Move (90th percentile): +19.3%
- Bottom 10% Move (10th percentile): -14.4%
- Max Historical Gain (1d): +52.8%
- Max Historical Loss (1d): -31.7%