Chart & Technical · SPY
Strategy Cup Tier for SPY
AI-generated plain-English read of strategy cup tier for SPY. Updated daily.
Marginal tier — no validation
lowA marginal edge (an unknown margin) with no statistical backing. This combination (small cup-2 grade + no validation) offers little reason to prefer this over buy-and-hold.
What will probably happen
- Marginal cup-2 edge: the strategy has some alpha but it may not survive real-world costs. Use only in combination with other filters.
- Walk-forward stability data is not available — robustness cannot be assessed.
- Fewer than 10 trades — a single trade's outcome can dominate the result. Don't trust aggregate statistics from this sample.
What to do
- If you HOLD this stock and follow this strategy
- Marginal edge — keep position size small. This is a background strategy, not a core holding.
- If you're EVALUATING whether to use this strategy
- Marginal cup-2 grade — don't allocate real capital. The edge is too small to clear transaction costs reliably.
- If you trade OPTIONS on this strategy's signals
- Marginal cup-2 strategies are too noisy to anchor options trades. Avoid using signals as a primary directional bias.
Weak credibility profile — no MC significance or DSR support; fewer than 10 trades — sample is too small.
Technical details
Technical analysis
- Cup tier
- cup_2 (marginal)
- Robustness
- Unknown Stability
- Tier grade
- Marginal
- Trade count
- 2
- MC significant
- No
- Sample quality
- Thin Sample
- Validation window
- —
- Statistical support
- No Validation
- Deflated Sharpe Ratio (DSR)
- —
- Delta return vs buy-and-hold
- —
- Walk-forward stability score
- —
Key levels
| Level | Value |
|---|---|
| cup tier | 2 |
| num trades | 2 |
Caveats
- Cup tiers reflect val-window performance. Live forward returns may differ from backtest — even validated strategies have drawdown risk.
- Fewer than 10 trades — single-trade outcomes can dominate the result. Aggregate statistics (Sharpe, delta_return) are unreliable at this sample size.