GLTK Move Probability $4.83 +0.01 (+0.2%)
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)
35.8%
Stock touched +5.0% ($5.07) at least once during 14 trading days.
Median first touch: Day 4 of 14
Expiration Close Probability
26.3%
Stock closed at or beyond +5.0% at the end of the 14-day window.
The Touch Multiple
1.36x
You are 1.4x more likely to hit your target during the window than holding until expiration.
1σ Expected Move (68.3%)
±23.7%
$3.68 — $5.97
Historical 14-Day Return Distribution
Frequency of rolling 14-day percentage returns over 486 historical windows (2024-10-22 to 2026-10-21). 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) | 35.8% | 26.3% | Model-free reality across 486 historical 14-day windows. |
| Fat-Tail Adjusted (Cornish-Fisher) | — | 20.6% | Adjusts normal bell curve for real-world skewness (-0.71) and kurtosis (29.25). |
| Standard Normal (Black-Scholes / GBM) | 83.7% | 41.9% | Classic theoretical log-normal model with constant volatility (often underestimates tail risks). |
| Regime-Conditioned (Similar Volatility) | 43.1% | 29.4% | Filters for historical windows that started with volatility similar to current 20-day HV (153 matching periods). |
Underlying Volatility Profile
Volatility Metrics
- 1-Year Annualized HV: 100.7%
- Recent 20-Day HV: 80.1%
- Parkinson Intraday Volatility: 59.0%
- Vol Trend: Compressed (-20% vs baseline)
14-Day Return Quantiles
- Median Return: +0.0%
- Top 10% Move (90th percentile): +14.3%
- Bottom 10% Move (10th percentile): -19.0%
- Max Historical Gain (14d): +165.3%
- Max Historical Loss (14d): -62.5%