Market data (deterministic): market_snapshot.json, as-of 2026-08-31 16:59 ET (generated 18:07 ET) — cash indices S&P 500 -0.33%, Nasdaq Composite -0.12%, Dow -0.70%, Russell 2000 -0.54%, Nasdaq 100 +0.08%, VIX +3.40%; futures ES1 7,701.25 (+0.03%), NQ1 29,521 (+0.03%), RTY1 2,958.9 (+0.01%), TY1 107.73 (+0.07%), CL1 86.31 (+0.64%), GC1 4,497.3 (+0.35%); ETF layer SPY -0.25%, QQQ +0.08%, IWM -0.59%, XLE +2.03%, XLK +0.43%. Direction: lower; futures: mixed. Earnings calendar (DoltHub + DuckDB warehouse, generated 18:10 ET): 14 reporters today, 0 ≥$20B big-cap; 37 tomorrow.
News wires / macro & policy: investinglive/ForexLive (US close recap, 16:22 ET; Americas FX wrap, 16:47 ET; Bessent Fed-skip ICYMI, 17:10 ET; China Caixin PMI preview, 16:35 ET; SPR decline, 15:01 ET; European close, 16:00 ET; drug-pricing agreement, 15:47 ET), CNBC (mortgage rates 6.87%, 14:53 ET; drug-pricing deals, 16:20 ET; Bessent/Druckenmiller, 13:14 ET), OilPrice.com (oil surge on U.S.-Iran strikes, 15:00 ET; Qatar/Kuwait Hormuz restoration, 16:00 ET; Iran war pipeline/port investment, 17:00 ET; SLB-Kelvion, 13:30 ET), SEC (SEC-FDA MOU, 14:24 ET), MarketWatch (Tesla top gainers/Cybercab, 17:01 ET; August best/worst performers, 17:16 ET; PG&E utilities, 13:10 ET), The Motley Fool (month-end market wrap, 13:11 ET), Reuters (G20/Bessent, 12:32 ET; Wall St dips, 11:40 ET).
Data quality disclosures: (1) Wire seed: 44 articles from 10 domains (53 feeds, 12 failed). Final feed: 58 articles, 25 full-text bodies ≥700 chars, 13 domains — coverage floor (≥15/≥6/≥6) met. (2) September-hike odds vary by source and time (~60-65%); treated as a band, with CME FedWatch ~60% (investinglive, 17:10 ET) and ~65% (16:47 ET) readings most recent. (3) WTI settled $86.18 +3.33% per investinglive's close wrap vs CL1 86.31 +0.64% in the deterministic snapshot (different as-of moments/instruments; both cited with attribution). (4) Cash index levels are from the 16:22 ET investinglive close recap; the deterministic snapshot's cash layer carries changes but no last prints this run. (5) Some MarketWatch/CNBC pages were paywalled or timing out during extraction; figures cited were verified in accessible lead text and cross-sourced. (6) Single-stock percentages are as-reported at the cited timestamp and may differ from snapshot prints.
Market data: Polygon (cash/indices when keyed) + Yahoo Finance chart API (futures + cash fallback); Hyperliquid xyz (cross-check) · Snapshot generated 18:32 ET · 2026-08-31