Daily Market Data Brief

Market Data Brief - 2026-08-21

Recent RSS developments and deterministic FRED and Yahoo Finance shock summaries.

Report date: 2026-08-21 Generated: 2026-09-25T07:46:43Z Educational use only

This brief summarizes the latest records available in Vox’s local investdatar caches. Dates shown in source details are data dates, not publication promises.

Source cutoff: 2026-08-21 UTC. Yahoo daily bars through 2026-08-21 UTC are treated as provisional and excluded from close-based summaries.

RSS Updates

RSS publication window: after 2026-08-20 through 2026-08-21 UTC.

The CFTC’s August 21 release recapped the inaugural meeting of its Innovation Advisory Committee, held in Washington on August 20. The committee was established to advise the Commission on issues spanning technology, law, policy, and finance, making the meeting primarily an agenda-setting and consultation event rather than a rulemaking action. Participants emphasized practical input from people who build, operate, and use financial markets. Chairman Selig framed blockchain, artificial intelligence, and prediction markets as technologies already important enough to require regulatory engagement, while the substantive session covered crypto’s regulatory evolution, AI and compute in derivatives markets, and prediction markets and novel event contracts. The useful signal is institutional: the CFTC was formally organizing outside expertise around several emerging-market structures and technologies and placing them within an ongoing regulatory-advisory process. The release did not announce a new rule, enforcement action, compliance deadline, or binding policy change, so its immediate content is best read as evidence of regulatory attention and policy-development priorities rather than a change in legal obligations. ([Commodity Futures Trading Commission][1])

Update details:

atlfed_gdpnow

  • no items published after 2026-08-20 through 2026-08-21

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  • no items published after 2026-08-20 through 2026-08-21

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  • no items published after 2026-08-20 through 2026-08-21

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FRED Shock Summary

Short-term funding rates were broadly stable, with one modest exception. EFFR and OBFR both remained at 3.63%, while IORB stayed at 3.65%. SOFR increased 2 basis points to 3.65%, bringing it level with IORB and 2 basis points above EFFR and OBFR. On the observations provided, that is a small movement within an otherwise unchanged overnight-rate configuration rather than a broad repricing of administered or effective policy rates.

Treasury yields moved higher across the curve. The 2-year and 10-year yields each rose 5 basis points, to 4.24% and 4.74%, while the 30-year increased 4 basis points to 5.27%. Because the 2-year and 10-year moved by the same amount, the 10-year-minus-2-year spread remained at 0.50%. The 10-year inflation-indexed yield also rose 5 basis points, from 2.35% to 2.40%. Within these supplied series, the 10-year nominal-real difference therefore remained approximately 2.34 percentage points on both dates, so the daily increase in the nominal 10-year yield was matched by the increase in its real-yield counterpart rather than by a widening of that simple nominal-real gap.

Credit indicators were generally firm but not uniform. The broad investment-grade corporate OAS narrowed 1 basis point to 0.81%, the broad high-yield OAS narrowed 5 basis points to 2.70%, and BB high-yield spreads narrowed 5 basis points to 1.58%. BBB spreads were unchanged at 1.00%. In contrast, CCC-and-lower spreads widened 2 basis points to 10.37%. That divergence shows that the day’s spread compression was concentrated above the weakest credit tier; the lowest-quality segment did not participate. The NFCI moved from -0.55 to -0.56 on its weekly comparison, a 0.01-point shift further into negative territory. Taken strictly together, the supplied observations show higher Treasury and real yields, stable policy-linked overnight rates apart from SOFR’s small increase, modestly tighter broad credit spreads, and persistent differentiation at the riskiest end of high yield.

Update details:

  • Secured Overnight Financing Rate [SOFR, unit=Percent]: latest 3.65 on 2026-08-21; previous 3.63 on 2026-08-20.
  • Effective Federal Funds Rate [EFFR, unit=Percent]: latest 3.63 on 2026-08-21; previous 3.63 on 2026-08-20.
  • Overnight Bank Funding Rate [OBFR, unit=Percent]: latest 3.63 on 2026-08-21; previous 3.63 on 2026-08-20.
  • Interest Rate on Reserve Balances (IORB Rate) [IORB, unit=Percent]: latest 3.65 on 2026-08-21; previous 3.65 on 2026-08-20.
  • Market Yield on U.S. Treasury Securities at 2-Year Constant Maturity, Quoted on an Investment Basis [DGS2, unit=Percent]: latest 4.24 on 2026-08-21; previous 4.19 on 2026-08-20.
  • Market Yield on U.S. Treasury Securities at 10-Year Constant Maturity, Quoted on an Investment Basis [DGS10, unit=Percent]: latest 4.74 on 2026-08-21; previous 4.69 on 2026-08-20.
  • Market Yield on U.S. Treasury Securities at 30-Year Constant Maturity, Quoted on an Investment Basis [DGS30, unit=Percent]: latest 5.27 on 2026-08-21; previous 5.23 on 2026-08-20.
  • Market Yield on U.S. Treasury Securities at 10-Year Constant Maturity, Quoted on an Investment Basis, Inflation-Indexed [DFII10, unit=Percent]: latest 2.40 on 2026-08-21; previous 2.35 on 2026-08-20.
  • 10-Year Treasury Constant Maturity Minus 2-Year Treasury Constant Maturity [T10Y2Y, unit=Percent]: latest 0.50 on 2026-08-21; previous 0.50 on 2026-08-20.
  • ICE BofA US Corporate Index Option-Adjusted Spread [BAMLC0A0CM, unit=Percent]: latest 0.81 on 2026-08-21; previous 0.82 on 2026-08-20.
  • ICE BofA US High Yield Index Option-Adjusted Spread [BAMLH0A0HYM2, unit=Percent]: latest 2.70 on 2026-08-21; previous 2.75 on 2026-08-20.
  • Chicago Fed National Financial Conditions Index [NFCI, unit=Index]: latest -0.56 on 2026-08-21; previous -0.55 on 2026-08-14.
  • ICE BofA BBB US Corporate Index Option-Adjusted Spread [BAMLC0A4CBBB, unit=Percent]: latest 1.00 on 2026-08-21; previous 1.00 on 2026-08-20.
  • ICE BofA BB US High Yield Index Option-Adjusted Spread [BAMLH0A1HYBB, unit=Percent]: latest 1.58 on 2026-08-21; previous 1.63 on 2026-08-20.
  • ICE BofA CCC & Lower US High Yield Index Option-Adjusted Spread [BAMLH0A3HYC, unit=Percent]: latest 10.37 on 2026-08-21; previous 10.35 on 2026-08-20.

Yahoo Shock Summary

The August 21 cross-asset closes show a selective rather than uniform risk advance. The CSI 300 rose 0.57%, while USD/CNH declined about 0.03% and the DXY fell 0.10%, indicating only small currency moves alongside the Chinese equity gain. U.S.-listed large technology names were mixed: AMD gained 0.81%, ASML 0.77%, and Broadcom 1.21%, while Apple fell 0.63% and Amazon declined 0.57%. The dispersion makes the technology complex look differentiated rather than directionally synchronized.

The most pronounced moves were in crypto-linked assets. Bitcoin rose 7.26% to 78,335.19, Coinbase gained 8.20%, and BMNR advanced 5.84%. Their simultaneous gains make digital-asset exposure the clearest cluster of strength among the instruments supplied, without establishing a causal relationship among them. By comparison, the aggregate bond ETF AGG slipped 0.14%, so the data do not show a broad rally spanning both risky assets and bonds.

Commodities were also mixed beneath a mildly positive aggregate reading. DBC gained 0.48% and Brent crude rose 0.65%, but WTI fell 0.88%. The opposite moves in the two crude benchmarks caution against treating the commodity increase as a uniform energy move. Overall, the deterministic observations depict concentrated strength in Bitcoin and crypto-sensitive equities, positive performance in several semiconductor-related names and the CSI 300, modest weakness in the dollar index and aggregate bonds, and meaningful internal dispersion across both technology shares and crude oil benchmarks. The pattern is therefore better characterized as selective cross-asset risk taking than as a single synchronized market direction.

Update details:

  • 000300.SS [CSI 300 Index.]: latest completed close 4618.90 on 2026-08-21; previous close 4592.75 on 2026-08-20 (delta 26.15, 0.57%).
  • AAPL: latest completed close 309.35 on 2026-08-21; previous close 311.30 on 2026-08-20 (delta -1.95, -0.63%).
  • AGG [iShares Core U.S. Aggregate Bond ETF.]: latest completed close 97.35 on 2026-08-21; previous close 97.49 on 2026-08-20 (delta -0.14, -0.14%).
  • AMD: latest completed close 473.25 on 2026-08-21; previous close 469.46 on 2026-08-20 (delta 3.79, 0.81%).
  • AMZN: latest completed close 258.63 on 2026-08-21; previous close 260.11 on 2026-08-20 (delta -1.48, -0.57%).
  • ASML: latest completed close 1763.76 on 2026-08-21; previous close 1750.31 on 2026-08-20 (delta 13.45, 0.77%).
  • AVGO: latest completed close 368.45 on 2026-08-21; previous close 364.03 on 2026-08-20 (delta 4.42, 1.21%).
  • BMNR: latest completed close 22.83 on 2026-08-21; previous close 21.57 on 2026-08-20 (delta 1.26, 5.84%).
  • BTC-USD [Bitcoin quoted in U.S. dollars.]: latest completed close 78335.19 on 2026-08-21; previous close 73032.76 on 2026-08-20 (delta 5302.43, 7.26%).
  • BZ=F [Brent crude oil futures contract.]: latest completed close 94.39 on 2026-08-21; previous close 93.78 on 2026-08-20 (delta 0.61, 0.65%).
  • CL=F [WTI crude oil futures contract.]: latest completed close 87.06 on 2026-08-21; previous close 87.83 on 2026-08-20 (delta -0.77, -0.88%).
  • CNH=X [USD/CNH exchange rate on Yahoo Finance (offshore renminbi).]: latest completed close 6.72 on 2026-08-21; previous close 6.73 on 2026-08-20 (delta 0.00, -0.03%).
  • COIN: latest completed close 186.49 on 2026-08-21; previous close 172.35 on 2026-08-20 (delta 14.14, 8.20%).
  • DBC [Invesco DB Commodity Index Tracking Fund.]: latest completed close 31.26 on 2026-08-21; previous close 31.11 on 2026-08-20 (delta 0.15, 0.48%).
  • DX-Y.NYB [U.S. Dollar Index (DXY), a basket-based measure of USD strength against major foreign currencies.]: latest completed close 98.80 on 2026-08-21; previous close 98.90 on 2026-08-20 (delta -0.10, -0.10%).

AlphaSync provides educational market research and analytics. It is not personalized financial advice. Always conduct your own research before making investment decisions.

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