Author
@EddyElfenbein EddyElfenbein
grade Bx.com/EddyElfenbein ↗
Long-running market historian who contextualizes the tape with base rates and data
Posts a steady stream of well-sourced price-performance data
trader score
-0.41
hit rate
42%
mean α
-0.20%
signals 14d
25
Grade = how their written analysis reads (A best). Trader score = how their last-20 timestamped calls performed vs SPY.
Their picks, scored
Across their last 19 scored bets: 42% hit rate, -0.20% mean alpha, trader score -0.41. Their last-14d mentions, direction-adjusted, have moved -1.5% since posting (mean over 7 mentions with price data).
Recent signals15receipts included
| date (PT) | ticker | author | sent | what they said | since then | receipt |
|---|---|---|---|---|---|---|
| 2026-08-27 | NVDA | @EddyElfenbein | -0.10 | Nvidia lost 10% from the start of 2002 through the end of 2014. | -4.6% | tweet ↗ |
| 2026-08-27 | · | @EddyElfenbein | · | Dark humor implies housing affordability is eroding the middle class. | · | tweet ↗ |
| 2026-08-27 | · | @EddyElfenbein | · | Reports that Chinese hackers breached the Federal Reserve, followed by a joke about Fed thinking. | · | tweet ↗ |
| 2026-08-26 | · | @EddyElfenbein | · | Frames the Fed as under pressure to raise interest rates. | · | tweet ↗ |
| 2026-08-25 | DKS | @EddyElfenbein | -0.55 | DKS is reported down 29%. | +8.7% | tweet ↗ |
| 2026-08-25 | · | @EddyElfenbein | · | The post presents a chart of the median sales price for new houses. | · | tweet ↗ |
| 2026-08-25 | · | @EddyElfenbein | · | The SEC is reportedly investigating the near-collapse of an AI hedge fund. | · | tweet ↗ |
| 2026-08-24 | GOOS | @EddyElfenbein | -0.20 | States that Canada Goose is down. | · | tweet ↗ |
| 2026-08-21 | XLI | @EddyElfenbein | +0.00 | Chart observation notes a weak but visible correlation between XLI and Russell 2000 relative strength. | -1.7% | tweet ↗ |
| 2026-08-21 | IWM | @EddyElfenbein | +0.00 | Chart observation notes a weak but visible correlation between XLI and Russell 2000 relative strength. | -1.4% | tweet ↗ |
| 2026-08-21 | · | @EddyElfenbein | · | Source estimates U.S. war and military-operation costs at over $8 trillion since 2001. | · | tweet ↗ |
| 2026-08-20 | KO | @EddyElfenbein | +0.35 | Coca-Cola reached an all-time high, with good absolute but weak relative long-term performance. | -0.9% | tweet ↗ |
| 2026-08-19 | · | @EddyElfenbein | · | Provides visual context for the scale of $40T national debt, but the image is unavailable. | · | tweet ↗ |
| 2026-08-19 | COST | @EddyElfenbein | +0.20 | Jokes retrospectively that Costco should have been bought at the exact low; no forward intent. | -1.2% | tweet ↗ |
| 2026-08-19 | · | @EddyElfenbein | · | Reports Treasury doubling debt buybacks to stabilize the bond market. | · | tweet ↗ |
Grade is our human read-worthiness rating; trader score is a rolling 20-bet hit-rate/alpha composite — different things, often disagreeing. “Since then” is direction-unaware in the table; the summary line above adjusts for which way they leaned.