MEDS Move Probability $6.07 +4.45 (+274.4%)
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)
66.1%
Stock touched +5.0% ($6.37) at least once during 14 trading days.
Median first touch: Day 2 of 14
Expiration Close Probability
21.8%
Stock closed at or beyond +5.0% at the end of the 14-day window.
The Touch Multiple
3.02x
You are 3.0x more likely to hit your target during the window than holding until expiration.
1σ Expected Move (68.3%)
±55.6%
$2.69 — $9.44
Historical 14-Day Return Distribution
Frequency of rolling 14-day percentage returns over 380 historical windows (2025-02-21 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) | 66.1% | 21.8% | Model-free reality across 380 historical 14-day windows. |
| Fat-Tail Adjusted (Cornish-Fisher) | — | 25.7% | Adjusts normal bell curve for real-world skewness (0.79) and kurtosis (40.36). |
| Standard Normal (Black-Scholes / GBM) | 93.0% | 46.5% | Classic theoretical log-normal model with constant volatility (often underestimates tail risks). |
| Regime-Conditioned (Similar Volatility) | 67.5% | 10.0% | Filters for historical windows that started with volatility similar to current 20-day HV (40 matching periods). |
Underlying Volatility Profile
Volatility Metrics
- 1-Year Annualized HV: 235.9%
- Recent 20-Day HV: 518.0%
- Parkinson Intraday Volatility: 159.1%
- Vol Trend: Expanded (+120% vs baseline)
14-Day Return Quantiles
- Median Return: -21.5%
- Top 10% Move (90th percentile): +34.4%
- Bottom 10% Move (10th percentile): -50.5%
- Max Historical Gain (14d): +352.6%
- Max Historical Loss (14d): -91.6%