ACMTA Move Probability $19.00 +0.00 (+0.0%)
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)
8.6%
Stock touched +5.0% ($19.95) at least once during 14 trading days.
Median first touch: Day 8 of 14
Expiration Close Probability
8.6%
Stock closed at or beyond +5.0% at the end of the 14-day window.
The Touch Multiple
1.00x
You are 1.0x more likely to hit your target during the window than holding until expiration.
1σ Expected Move (68.3%)
±6.8%
$17.71 — $20.29
Historical 14-Day Return Distribution
Frequency of rolling 14-day percentage returns over 486 historical windows (2024-10-22 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) | 8.6% | 8.6% | Model-free reality across 486 historical 14-day windows. |
| Fat-Tail Adjusted (Cornish-Fisher) | — | 0.0% | Adjusts normal bell curve for real-world skewness (-7.94) and kurtosis (125.56). |
| Standard Normal (Black-Scholes / GBM) | 47.1% | 23.6% | Classic theoretical log-normal model with constant volatility (often underestimates tail risks). |
| Regime-Conditioned (Similar Volatility) | 10.2% | 10.2% | Filters for historical windows that started with volatility similar to current 20-day HV (264 matching periods). |
Underlying Volatility Profile
Volatility Metrics
- 1-Year Annualized HV: 28.7%
- Recent 20-Day HV: 0.0%
- Parkinson Intraday Volatility: 5.1%
- Vol Trend: Compressed (-100% vs baseline)
14-Day Return Quantiles
- Median Return: +0.0%
- Top 10% Move (90th percentile): +1.9%
- Bottom 10% Move (10th percentile): -7.7%
- Max Historical Gain (14d): +20.5%
- Max Historical Loss (14d): -31.8%