AAPL
Apple Inc. · 2021-07-06 → 2026-07-02
CSV headers: date, open, high, low, close, volume (extra columns ignored)
1254
raw bars
1254
clean bars
99.92%
calendar coverage
1
issues (latest run)
0
splits detected
Backtest · SMA crossover vs buy & hold
Forecast · baseline prediction
Accuracy is walk-forward: each model predicted one day ahead using only past data over the evaluation window. Daily prices are near a random walk — expect naive to be hard to beat. This is a statistical baseline, not investment advice.
Cleaning run · 2026-07-06 14:27
Params: stale_n=5, outlier_z=8.0, split_tol=0.02, drop_outliers=False
| Date | Type | Severity | Action | Details |
|---|---|---|---|---|
| 2025-01-09 | MISSING_DAY | INFO | RECORDED | {'start': '2025-01-09', 'end': '2025-01-09', 'gap_days': 1} |