US & Hong Kong Market Dynamics (2026-08-26)

Report date: 2026-08-26 ｜ Market data as of: US close 2026-08-25, HK close 2026-08-25 Sources: Real-time X (Twitter) search via grok-x (window from 2026-08-24); prices from exchange/Eastmoney close snapshots; options flow from post-close scan. All price moves come from authoritative closes — X posts are used only for events and views.

1. Key Events

1. NVIDIA earnings is the single biggest pricing variable this week. Rosenblatt reiterated Buy with a $325 PT ahead of the print, expecting a revenue/profit beat and a strong Vera Rubin catalyst. NVDA closed +2.19% at $213.05 on over $25.9B of turnover — the most active name in the market. 𝕏
2. Dick's Sporting Goods (DKS) missed badly and cut guidance, becoming the day's worst decliner. Q2 revenue $5.59B (vs $5.65B est.), adj. EPS $3.53 (vs $3.78 est.); FY26 net sales guide cut to $21.9–22.2B and adj. EPS to $11.00–12.00, driven by weakness at the acquired Foot Locker unit. DKS closed -30.68% at $124.31. 𝕏¹ 𝕏²
3. Alibaba's $10.2B discounted HK placement still reverberates, but shares stabilized on 8/25. Roughly 710M new shares raised ~HK$80B, entirely earmarked for AI chips and compute infrastructure — the largest primary follow-on since listing. HK 9988 fell 8.54% on 8/24 (HK$123.00→112.50), then closed +1.51% at HK$114.20 on 8/25; US-listed BABA closed +0.82%. 𝕏¹ 𝕏²
4. Jack Ma and management have been buying Alibaba HK shares for consecutive sessions. Multiple accounts put cumulative purchases above HK$800M (@VestigiaLabs logged one ~HK$600M continuous accumulation), read as an offset to placement dilution — amounts not cross-verified against exchange disclosure filings. 𝕏¹ 𝕏²
5. SK Hynix confirmed it will use Intel's EMIB advanced packaging for next-gen HBM. Per @dnystedt citing media, the win stems mainly from continued TSMC CoWoS capacity shortage, putting Hynix alongside Apple and MediaTek as EMIB users — a substantive breakthrough for Intel Foundry. 𝕏
6. Innovative pharma was the standout in Hong Kong. WuXi XDC surged post-results, closing +14.83% at HK$80.15. The Hang Seng Index closed essentially flat at 25,511.10 (-0.02%), the Hang Seng Tech Index -0.12% at 4,588.54, with internet names broadly weak (Meituan -6.65% at HK$77.20). 𝕏¹ 𝕏²
7. A dense round of rating actions: AMD to Strong Buy, Dynatrace to Overweight, Moderna upgraded to Peerperform by Wolfe Research. AMD closed +4.91% at $479.18, DT +2.08%, MRNA +14.36% at $158.83 (note: the MRNA action was only a move to neutral — the rally was driven more by pipeline and flows than the upgrade). 𝕏

2. Institutional & Media Coverage

[Factual] US closing structure — @FirstSquawk reported US stocks rose as falling oil eased inflation concerns ahead of NVDA earnings, with the S&P 500 +0.3% and Nasdaq 100 +0.6%, Nasdaq Composite at 26,154.27. Reconciled to authoritative closes: Dow +0.30% at 53,577.40, S&P 500 +0.32% at 7,677.28, Nasdaq Composite +0.66% at 26,151.30; Hang Seng essentially flat (-0.02%). 𝕏

[Factual] Premarket movers — @zerohedge's premarket roundup flagged DKS lower, NVTS higher on an acquisition deal, and BABA firmer on Jack Ma's HK buying. Against the close: NVTS finished +1.72% at $12.44 (intraday high $13.44, so the gain faded sharply), KURA +9.60%, DT +2.08%, DKS -30.68% — far worse than the -12% seen premarket. 𝕏

[View/Rating] NVIDIA — @DeItaone relayed Rosenblatt's reiterated Buy and $325 PT, citing an expected revenue and profit beat plus Vera Rubin as a strong catalyst. @PatrickMoorhead published a 12-minute breakdown of his NVDA earnings expectations with Yahoo Finance the same day. 𝕏¹ 𝕏²

[Factual] Memory and foundry supply chain — @jukan05 cited TrendForce expecting memory to account for 68% of CSP capex next year, and DigiTimes reporting YMTC and CXMT are pushing to ship more supply outside China, with China's memory self-sufficiency potentially exceeding 50% as early as late 2027 or 2028. @Beth_Kindig reported Samsung raised advanced-node foundry pricing by up to 15% on new orders (SF4 4nm +10–15% for Chinese/US customers, +5–10% for Taiwanese; 5nm +10–15%). 𝕏¹ 𝕏² 𝕏³

[Factual] NVIDIA Rubin timing — @dnystedt cited reports that KYEC, NVIDIA's key chip-test partner, will stay busy through year-end, with Rubin GPUs pushed to end-Q3 due to thermal design changes and volume shipments landing in Q4. If confirmed in tonight's guidance, this directly shapes Q4 revenue elasticity expectations. 𝕏

[View] A rare split in institutional positioning — @KobeissiLetter noted asset managers' long positioning in S&P 500 futures has risen to ~$375B, near a record high; separately, that hedge funds posted their largest weekly US equity sale since the "Liberation Day" week of April 2025, rapidly unwinding bullish bets. Two opposing datapoints from the same account describe a structure of "long-only fully invested, fast money exiting first" — not a single conclusion. 𝕏¹ 𝕏²

3. KOL Bull & Bear Views

US · Index and Macro

Bullish

• @RyanDetrick (≈398 likes / 42 reposts): "S&P 500 above the June peak combined with the S&P 500 A/D line above the uptrend line and you have to lean bullish here." Breadth confirms price — you have to lean long. 𝕏
• @KobeissiLetter (≈652 likes / 71 reposts): "Institutional investors are extremely bullish worldwide: Long positioning in the S&P 500 futures among asset managers is up to ~$375 billion, near its highest level on record." (Note: extreme long positioning is both trend confirmation and a contrarian signal.) 𝕏
• @KobeissiLetter (≈5,786 likes / 507 reposts): "Don't fight the Treasury." — implying long-end yields head lower under intervention. 𝕏

Bearish / Cautious

• @TimmerFidelity (≈179 likes / 23 reposts): "While earnings continue to boom, I am starting to see signs that the rate of change is peaking. What that means for margins, valuations, and momentum remains to be seen, but my guess is that the rotation out of the AI space... suggests a flatter and more churning market." More bluntly, in a second post: "when I look at the AI price action and metrics, I'm not seeing much that's bullish right now." 𝕏¹ 𝕏²
• @KobeissiLetter (≈1,217 likes / 192 reposts): Hedge funds' largest weekly US equity sale since April 2025, unwinding bullish bets rapidly. 𝕏
• @azrael_options (very low engagement, noted for completeness): "When the Fed itself flags debt levels, the long end reprices first. Term premium demands a cushion and $SPX multiple compression follows if yields keep pushing." 𝕏

US · NVIDIA and Options Positioning

• @spotgamma (≈31 likes / 4 reposts): "NVDA options are pricing an earnings move of ~5.5%, while the average realized move post-earnings is 7.4% for the past 12 months. That gap is why we're not enthusiastic about shorting NVDA vol." Long vol. 𝕏
• @spotgamma (≈13 likes): "i think earnings reactions, particularly upside are throttled until Friday jackson hole. spy pricing 1/4pt move for nvda ER but 1/2 pt move for jhole" — even a beat may see its upside capped until the Jackson Hole event clears. 𝕏
• @CheddarFlow (≈181 likes / 7 reposts): "$NVDA has the most BULLISH flow so far today." Yet the same account posted a day earlier: "Tens of MILLIONS Worth of $NVDA Call Sellers Today" (≈282 likes / 18 reposts). Two opposing reads one day apart — pre-earnings options flow is churning violently and should not be read directionally. 𝕏¹ 𝕏²
• @CheddarFlow (≈195 likes / 14 reposts): "The large $SPY Put Wall has DROPPED, despite today's gap-up — $2.1 BILLION at 760 now"; a separate post (≈179 likes) notes SPY still carries ~$4B of negative gamma exposure at 765. A lower put wall signals softening hedging demand, but negative gamma means a break of key levels gets amplified by dealer hedging. 𝕏¹ 𝕏²

Hong Kong · China Assets

Bullish

• @cnfinancewatch (≈2 likes / 2 reposts, 13.2k views): The HK innovative-pharma ETF has stabilized near 1.16, forming a new 1.16–1.36 trading pivot; that range is unlikely to break until AI tech names resume their uptrend. 𝕏
• @jharahul311992 (low engagement): The underlying logic for innovative pharma and CXO has shifted wholesale to "earnings validation," with WuXi XDC up over 12% post-results. (Actual close: +14.83%, above the post's figure.) 𝕏
• @cnfinancewatch: Alibaba launched the Wan3.0 AI video model — used as product-side evidence supporting the AI-funding narrative behind the placement. 𝕏

Bearish / Cautious

• @YikunChen1983 (low engagement): "Alibaba fell 10% today, Tencent followed down 3%. The trigger was the placement: HK$80B raised, all going into AI infrastructure." The numbers in this post do not match exchange data: 9988 fell 8.54% on placement day 8/24 (not 10%), and Tencent actually closed +0.45% at HK$442.00 on 8/25. The event is real; the price claims are corrected to authoritative closes. 𝕏
• @anhei00150529 (≈2 likes): Midday note flagged broad internet weakness — Meituan, Bilibili and Trip.com down, while SenseTime, NetEase, Xiaomi and Alibaba rose. Meituan closed -6.65%, the weakest major Hang Seng constituent; no substantive discussion of the cause was found on X. 𝕏

4. Buzz & Sentiment Shifts

US overall: Chatter volume is well above normal but extremely concentrated — nearly all incremental attention is absorbed by NVIDIA earnings, with @CheddarFlow explicitly noting NVDA has the most active flow this week. Sentiment leans bullish but restrained: the breadth camp (@RyanDetrick) and the positioning camp (@KobeissiLetter's $375B longs) sit on the bull side, while the macro camp (@TimmerFidelity) and contrarian positioning reads (record hedge fund selling) sit on the cautious side — roughly a 6:4 bull/bear split by post count. The change versus the prior day is that bearish arguments have shifted from "valuation is high" to the more specific "the rate of change in earnings is peaking" and "rotation within AI."

NVIDIA: Top-tier buzz. Notably the disagreement is about magnitude, not direction — options price a ~5.5% earnings move versus a 7.4% trailing 12-month realized average, which is why @spotgamma sees vol as underpriced, while the Jackson Hole event is widely seen as throttling any post-earnings upside release. In other words, even a beat is expected to be capped.

Hong Kong: Buzz is materially lower than the US and highly single-threaded — almost every post centers on the Alibaba placement and Jack Ma's buying; broad search surfaced essentially no directional debate on the Hang Seng itself. Sentiment moved from panic on 8/24 (discounted placement, -8.5%) to stabilized watchfulness on 8/25 (+1.51%), driven by consecutive management purchases and gradual acceptance of the "all proceeds to AI infrastructure" narrative. At the sector level, the marginal shift was capital rotating out of internet names (Meituan -6.65%) into innovative pharma (WuXi XDC +14.83%), which both @cnfinancewatch and @anhei00150529 framed as earnings-validation driven rather than pure thematic speculation.

Semiconductor supply chain: Above-average buzz, with the narrative moving from "who buys GPUs" to "where memory and packaging are the bottleneck" — TrendForce's 68% memory share of CSP capex, SK Hynix adopting Intel EMIB, and Samsung's 10–15% foundry price hikes are three independent datapoints all pointing to upstream tightness. This is the newest narrative thread versus the prior day.

5. US Options Flow

Deeper reads

NVDA — a barbell into the print. Three 3-day calls ($210/$212.5/$215) carry over $100M in combined premium with vol/OI of 1.4, 9.1 and 2.4 respectively — overwhelmingly new positioning. The further-out $230 call traded 185k contracts at 85% IV, an unambiguous "gap-up" structure. This lines up with @CheddarFlow's "most bullish flow" observation, but note the same account logged tens of millions in call sellers a day earlier — some capital is selling vol into the elevated IV. @spotgamma's read (5.5% priced vs 7.4% realized average) explains why buyers still pay up at 80%+ IV: they think implied is still too low.

GLD — over $130M of call premium across four strikes, laddered from $425 to $505. With spot at $428.06, the 52-day $505 call shows vol/OI of 60.1 — the second-strongest new-position signal in the scan. This is not hedging but a sustained bet on further upside; combined with @azrael_options' point about term premium and long-end repricing, it fits the "fiscal/debt concern lifts gold" logic. IV of just 26–30% means this is cheap right-tail optionality, not panic buying.

MRNA — protective buying after a spike, not a bearish signal. The stock closed +14.36%, and simultaneously the 3-day $155 and $152.50 puts show vol/OI of 20.9 and 18.0 at 135% IV. Strikes sit right at spot ($158.66) with near-immediate expiry — this is locking in the day's gain, and should not be read as a directional short.

Overall sentiment: Market-wide Put/Call premium ratio of 0.63 is clearly bullish-tilted. But that reading is heavily depressed by the pre-earnings NVDA call deluge — ex that single event, underlying risk appetite is less sanguine. At the index level, SPY shows both a high-turnover $772 put newly opened and a $2.1B put wall at 760; hedges have not been removed.

This report aggregates publicly available information and third-party views for informational and educational purposes only. It does not constitute a recommendation to buy or sell any security, nor personalized investment advice. Views expressed in X posts belong to the respective accounts and do not represent this platform's position. Quoted price data reflects exchange closing snapshots; where post content conflicts with that data, the authoritative data governs. Markets carry risk; invest prudently.