Author
@Index_shu Index_shu
grade Cx.com/Index_shu ↗
Transparent Japanese retail investor riding the AI-memory boom, perma-bull and diary-style
Posts real-time Japanese-language reactions to memory-chip a
trader score
+0.79
hit rate
50%
mean α
+0.64%
signals 14d
46
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 20 scored bets: 50% hit rate, +0.64% mean alpha, trader score +0.79. Their last-14d mentions, direction-adjusted, have moved -2.7% since posting (mean over 17 mentions with price data).
Recent signals15receipts included
| date (PT) | ticker | author | sent | what they said | since then | receipt |
|---|---|---|---|---|---|---|
| 2026-08-28 | · | @Index_shu | · | Reports Ichibanya at its daily price limit after a 15.94% PTS gain. | · | tweet ↗ |
| 2026-08-28 | · | @Index_shu | · | Author expects portfolio gains to continue after the weekend. | · | tweet ↗ |
| 2026-08-28 | NVDA | @Index_shu | +0.60 | Author reports a ¥43,134 daily portfolio gain and says strong NVDA earnings lifted the S&P 500. | — | tweet ↗ |
| 2026-08-28 | SPY | @Index_shu | +0.45 | Author reports a ¥43,134 daily portfolio gain and says strong NVDA earnings lifted the S&P 500. | — | tweet ↗ |
| 2026-08-27 | NVDA | @Index_shu | +0.20 | Notes MU reversed sharply after initially rallying on NVIDIA's strong earnings. | -4.6% | tweet ↗ |
| 2026-08-27 | MU | @Index_shu | -0.40 | Notes MU reversed sharply after initially rallying on NVIDIA's strong earnings. | -0.3% | tweet ↗ |
| 2026-08-27 | NVDA | @Index_shu | +0.75 | Celebrates clearing NVIDIA earnings and predicts investors' assets will rise today. | -4.6% | tweet ↗ |
| 2026-08-27 | NVDA | @Index_shu | +0.60 | Calls Nvidia's reported results strong and anticipates a positive equity-market reaction. | -4.6% | tweet ↗ |
| 2026-08-27 | · | @Index_shu | · | Reports a ¥2,791 daily portfolio gain despite falling share prices. | · | tweet ↗ |
| 2026-08-27 | · | @Index_shu | · | Strongly bullish price view on Kioxia, but no unambiguous public ticker is provided. | · | tweet ↗ |
| 2026-08-27 | · | @Index_shu | · | Bullish praise for Kioxia and government-supported growth, without an unambiguous ticker. | · | tweet ↗ |
| 2026-08-26 | · | @Index_shu | · | Reports Kioxia's factory expansion and a 6% share-price rise, but provides no ticker. | · | tweet ↗ |
| 2026-08-26 | NVDA | @Index_shu | +0.75 | Says Nvidia's strong earnings lifted memory stocks and that demand growth is still ahead. | +3.8% | tweet ↗ |
| 2026-08-26 | 285A.T | @Index_shu | +0.30 | Reports Kioxia's K3 facility announcement in Iwate and anticipates further construction. | · | tweet ↗ |
| 2026-08-26 | · | @Index_shu | · | Notes little stock movement and possible asset gains from a rising USD/JPY rate. | · | 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.