Author

@longtundiary longtundiary

Thai-language AI-compute supply-chain analyst mapping moats and second-order winners

Posts thesis-driven, reasoning-heavy threads (largely in Tha

trader score
+0.57
hit rate
50%
mean α
+0.36%
signals 14d
27

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, +0.36% mean alpha, trader score +0.57. Their last-14d mentions, direction-adjusted, have moved -8.9% since posting (mean over 21 mentions with price data).

Recent signals15receipts included
date (PT)tickerauthorsentwhat they saidsince thenreceipt
2026-10-15·@longtundiary·Notes rapid neocloud growth and hyperscaler spending on ASICs.·
2026-10-15·@longtundiary·Jokes that the news is bad enough to want the stock market closed before it opens.·
2026-10-14ZETA@longtundiary+0.60Says it is becoming difficult to bring oneself to sell ZETA.+5.3%
2026-10-14·@longtundiary·Notes that the premarket is no longer falling.·
2026-10-13ASML@longtundiary-0.35Notes that ASML shares are falling despite extensive writeups.-8.5%
2026-10-13MU@longtundiary+0.30Jokes that Elon favors MU because pricing negotiations may be easier.-7.9%
2026-10-11AMZN@longtundiary+0.25Author views the switch-chip role as well aligned with Amazon's vendor-neutral customer strategy.-5.5%
2026-10-10META@longtundiary+0.20Speculates that Meta ads and a private Muse agent could operate together under a new selection model.-10.6%
2026-10-10NVDA@longtundiary+0.55Argues a strong US open model such as Nemotron would reinforce demand for Nvidia hardware.-8.0%
2026-10-10META@longtundiary+0.35Explores how private AI agents could select Meta ads without exposing user data to the ad system.-10.6%
2026-10-10LITE@longtundiary+0.70OCS demand from Google and potentially Nvidia is framed as a dual growth benefit for LITE.-31.5%
2026-10-10GOOGL@longtundiary+0.20OCS demand from Google and potentially Nvidia is framed as a dual growth benefit for LITE.-8.9%
2026-10-10NVDA@longtundiary+0.20OCS demand from Google and potentially Nvidia is framed as a dual growth benefit for LITE.-8.0%
2026-10-08·@longtundiary·Reports that Claude created an entire video aside from the author's voice.·
2026-10-06MU@longtundiary+0.45Expresses a bullish view on MU and Samsung in question form.-16.1%

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.