Author
@herbgreenberg herbgreenberg
grade Ax.com/herbgreenberg ↗
Veteran skeptical financial journalist sniffing out hype, insider selling, and promotion
Posts terse, contrarian, fundamentally-grounded skepticism o
trader score
+1.41
hit rate
75%
mean α
+1.40%
signals 14d
15
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 16 scored bets: 75% hit rate, +1.40% mean alpha, trader score +1.41. Their last-14d mentions, direction-adjusted, have moved -1.8% since posting (mean over 7 mentions with price data).
Recent signals15receipts included
| date (PT) | ticker | author | sent | what they said | since then | receipt |
|---|---|---|---|---|---|---|
| 2026-08-26 | NVDA | @herbgreenberg | -0.20 | Warns that market dependence on a single stock, Nvidia, is unhealthy. | +3.8% | tweet ↗ |
| 2026-08-25 | · | @herbgreenberg | · | Argues modern market structure makes the speed of stock moves unusually unpredictable. | · | tweet ↗ |
| 2026-08-25 | DKS | @herbgreenberg | -0.45 | Mocks Dick's use of broad external factors to explain weak performance. | +8.7% | tweet ↗ |
| 2026-08-24 | · | @herbgreenberg | · | Warns of a perfect storm from war, trade conflict and credit risk. | · | tweet ↗ |
| 2026-08-24 | LOPE | @herbgreenberg | -0.45 | LOPE placed its CFO on paid leave tied to a governmental stock-trading investigation. | · | tweet ↗ |
| 2026-08-24 | T | @herbgreenberg | -0.20 | Treats AT&T's inclusion in AI-bubble debate as evidence of speculative excess. | +1.2% | tweet ↗ |
| 2026-08-23 | QXO | @herbgreenberg | -0.20 | Promotes commentary on opposing views of CVNA and MOD and describes QXO as a quagmire. | -1.7% | tweet ↗ |
| 2026-08-23 | CVNA | @herbgreenberg | +0.00 | Promotes commentary on opposing views of CVNA and MOD and describes QXO as a quagmire. | +5.9% | tweet ↗ |
| 2026-08-23 | MOD | @herbgreenberg | +0.00 | Promotes commentary on opposing views of CVNA and MOD and describes QXO as a quagmire. | -10.1% | tweet ↗ |
| 2026-08-21 | · | @herbgreenberg | · | Rejects financial engineering as a route to genuine prosperity. | · | tweet ↗ |
| 2026-08-20 | · | @herbgreenberg | · | Warns supposedly riskless yield assets could become the riskiest portfolio holdings. | · | tweet ↗ |
| 2026-08-17 | NVDA | @herbgreenberg | -0.20 | Frames the Nvidia, SoftBank and OpenAI news through a skeptical AI-bubble comparison. | -3.3% | tweet ↗ |
| 2026-08-17 | SFTB.NE | @herbgreenberg | -0.20 | Frames the Nvidia, SoftBank and OpenAI news through a skeptical AI-bubble comparison. | · | tweet ↗ |
| 2026-08-16 | · | @herbgreenberg | · | Frames the AI trade as a peak-polarization debate resembling prior crypto and SPAC cycles. | · | tweet ↗ |
| 2026-08-15 | · | @herbgreenberg | · | Characterizes the economy as severely bifurcated based on renovation and flooring demand. | · | 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.