NVDA Move Probability $221.90 +5.49 (+2.5%)
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)
4.8%
Stock touched +5.0% ($233.00) at least once during 1 trading days.
Median first touch: Day 1 of 1
Expiration Close Probability
2.7%
Stock closed at or beyond +5.0% at the end of the 1-day window.
The Touch Multiple
1.79x
You are 1.8x more likely to hit your target during the window than holding until expiration.
1σ Expected Move (68.3%)
±2.7%
$215.81 — $227.99
Historical 1-Day Return Distribution
Frequency of rolling 1-day percentage returns over 521 historical windows (2024-09-23 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) | 4.8% | 2.7% | Model-free reality across 521 historical 1-day windows. |
| Fat-Tail Adjusted (Cornish-Fisher) | — | 3.3% | Adjusts normal bell curve for real-world skewness (-0.37) and kurtosis (6.49). |
| Standard Normal (Black-Scholes / GBM) | 7.5% | 3.8% | Classic theoretical log-normal model with constant volatility (often underestimates tail risks). |
| Regime-Conditioned (Similar Volatility) | 3.1% | 2.5% | Filters for historical windows that started with volatility similar to current 20-day HV (160 matching periods). |
Underlying Volatility Profile
Volatility Metrics
- 1-Year Annualized HV: 43.6%
- Recent 20-Day HV: 24.9%
- Parkinson Intraday Volatility: 34.1%
- Vol Trend: Compressed (-43% vs baseline)
1-Day Return Quantiles
- Median Return: +0.2%
- Top 10% Move (90th percentile): +3.2%
- Bottom 10% Move (10th percentile): -3.1%
- Max Historical Gain (1d): +18.5%
- Max Historical Loss (1d): -16.9%