How RMBS Outperformed AAPL in Our Backtest (2012–2025)
How did Apple Inc. (AAPL) and Rambus (RMBS) fare under JumpstartSignal's 5-stage screening pipeline across our full 2012–2025 walk-forward backtest? We flagged AAPL 8 times (16 signal days, first signal in 2012) and RMBS 2 times (3 signal days, first signal in 2014). Every entry price, return, and SPY comparison below is from the frozen backtest snapshot.
Head-to-Head Stats
AAPL 🏆 SPOTLIGHT Apple Inc. · Technology
RMBS ✅ OPPORTUNITY Rambus · Technology
Per-Signal Returns
Each bar below shows the best return from one signal cluster, held from the entry date through Feb 1, 2026. The SPY return over the same period is shown alongside each entry, alpha is the gap between the two.
AAPL Signal Clusters
| Entry Date | Entry Price | Return | SPY Return | Alpha vs SPY |
|---|---|---|---|---|
| Jan 4, 2012 | $12.40 | +1993% | +588% | +1405% |
| Mar 25, 2014 | $17.01 | +1426% | +350% | +1075% |
| Feb 5, 2015 | $26.69 | +872% | +301% | +571% |
| Apr 28, 2015 | $28.63 | +806% | +291% | +516% |
| May 1, 2017 | $33.93 | +665% | +231% | +434% |
| Nov 1, 2017 | $38.94 | +566% | +203% | +363% |
| May 14, 2018 | $44.01 | +490% | +186% | +304% |
| Jul 24, 2018 | $45.09 | +476% | +174% | +302% |
RMBS Signal Clusters
| Entry Date | Entry Price | Return | SPY Return | Alpha vs SPY |
|---|---|---|---|---|
| Mar 7, 2014 | $9.66 | +1078% | +347% | +731% |
| Apr 11, 2014 | $11.60 | +881% | +362% | +519% |
What This Teaches
You can admire a stock and still never get a trade on it. AAPL: 8 signal clusters across our backtest. RMBS: 2. The screener doesn't know which is the 'better' company; it just rewards whichever chart keeps producing the entries our weights favour. Publishing both the hits and the misses is how we keep the methodology honest.
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FAQ
Is AAPL or RMBS a better momentum stock?
In our 14-year backtest, AAPL had an average alpha of +621% per signal versus +625% for RMBS. AAPL produced 8 SPOTLIGHT or OPPORTUNITY buy-signal clusters vs 2 SPOTLIGHT or OPPORTUNITY buy-signal clusters for RMBS.
When did JumpstartSignal first flag AAPL?
Jan 4, 2012 at an entry price of $12.40 (SPOTLIGHT or OPPORTUNITY buy signal). That signal has returned +1993% held to the snapshot date, versus +588% for SPY over the same period.
When did JumpstartSignal first flag RMBS?
Mar 7, 2014 at an entry price of $9.66 (SPOTLIGHT or OPPORTUNITY buy signal). That signal has returned +1078% held to the snapshot date, versus +347% for SPY.
Does this mean one stock is a buy and the other isn't?
No. Historical signal frequency and past returns are not buy recommendations. Our pipeline identifies entries that would have matched the template historically. Past performance does not guarantee future results. Use these pages as methodology research, not investment advice.
Where does the underlying data come from?
All entries on this page come from the R27 walk-forward validated backtest covering 2012–2025 (the 'seo_active' snapshot in our golden archive). Entry prices, returns, and SPY comparisons are computed from Stooq end-of-day OHLCV and frozen at snapshot time. See our methodology for details.