Market Data Brief - 2026-09-14

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: 2026-09-14 UTC. Yahoo daily bars through 2026-09-14 UTC are treated as provisional and excluded from close-based summaries.

RSS Updates

RSS publication window: after 2026-09-13 through 2026-09-14 UTC.

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no items published after 2026-09-13 through 2026-09-14

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no items published after 2026-09-13 through 2026-09-14

fed_press_all

no items published after 2026-09-13 through 2026-09-14

cftc_press_releases

no items published after 2026-09-13 through 2026-09-14

FRED Shock Summary

The supplied observations show a stable overnight policy-rate complex alongside a material upward move in Treasury yields, modestly tighter corporate credit spreads, unchanged broad financial conditions, and a small increase in Federal Reserve total assets. The timing of the series is not fully synchronized, so changes should be compared within each series rather than treated as one simultaneous market snapshot.

Overnight rates remained tightly clustered. EFFR and OBFR were unchanged at 3.63% on September 10, while IORB was unchanged at 3.65% through September 14. SOFR declined 2 basis points from 3.64% to 3.62%, placing it 1 basis point below EFFR and OBFR and 3 basis points below IORB on the supplied observations. AMERIBOR moved in the opposite direction, rising 1 basis point to 3.68%, 5 basis points above EFFR and OBFR. Taken strictly from these data, the main feature is stability in the central cluster of overnight benchmarks, with only small benchmark-specific movements around it rather than a broad repricing of overnight funding rates.

Treasury yields moved substantially higher between September 9 and September 10. The 2-year yield increased 13 basis points to 4.56%, the 10-year rose 12 basis points to 4.95%, and the 30-year rose 9 basis points to 5.37%. Because the 2-year yield increased more than the 30-year yield, the 2s30s difference narrowed from 85 basis points to 81 basis points. The supplied 10-year-minus-2-year series also shows flattening: it fell from 0.39 percentage point on September 10 to 0.33 percentage point on September 11. That spread observation is dated one day later than the individual 2-year and 10-year yield observations, so it should not be algebraically reconciled to the September 10 yield pair. Directionally, however, both sets of observations indicate a still-positive but narrower slope between shorter and longer Treasury maturities.

The 10-year inflation-indexed Treasury yield rose 9 basis points, from 2.46% to 2.55%. Over the same September 9-to-10 interval, the nominal 10-year yield rose 12 basis points, from 4.83% to 4.95%. The arithmetic gap between the supplied nominal and inflation-indexed 10-year yields therefore widened from 2.37 percentage points to 2.40 percentage points. This decomposition describes the observed rates only; the packet does not provide enough information to assign a cause to either component.

Corporate credit spreads edged tighter despite the rise in government yields. The broad ICE BofA US Corporate OAS declined 1 basis point to 0.80%, the BBB corporate OAS declined 1 basis point to 0.98%, and the high-yield OAS declined 1 basis point to 2.70%. The BBB spread remained 18 basis points above the broad corporate index, while the high-yield spread remained substantially wider than both. The synchronized 1-basis-point declines indicate a small, broad tightening in the supplied credit-spread measures rather than a large change in relative credit differentiation.

The Chicago Fed NFCI was unchanged at -0.56 between August 28 and September 4. Because this observation is older than the September 9-14 rate and spread data, it should be treated as a lagged background reading rather than evidence about the conditions prevailing on the later dates. Federal Reserve total assets increased from $6,737,204 million on September 2 to $6,740,619 million on September 9, an increase of $3,415 million, or roughly 0.05%. Relative to the overall balance-sheet level, that is a small weekly change.

Taken together, the deterministic observations separate into three distinct patterns. First, overnight benchmarks were broadly stable and tightly grouped, with SOFR slightly lower and AMERIBOR slightly higher. Second, the Treasury curve repriced upward by roughly 9-13 basis points across the supplied maturities, with somewhat greater movement at the short end and consequently a flatter positive curve. Third, corporate spreads tightened marginally rather than widening alongside the Treasury move. The packet therefore records a sizable change in government yield levels without a corresponding broad deterioration in the supplied overnight-funding, corporate-spread, or lagged financial-conditions measures. The data alone do not establish why these moves occurred or whether they persisted beyond the stated observation dates.

Update details:

Secured Overnight Financing Rate [SOFR, unit=Percent]: latest 3.62 on 2026-09-10; previous 3.64 on 2026-09-09.
Effective Federal Funds Rate [EFFR, unit=Percent]: latest 3.63 on 2026-09-10; previous 3.63 on 2026-09-09.
Overnight Bank Funding Rate [OBFR, unit=Percent]: latest 3.63 on 2026-09-10; previous 3.63 on 2026-09-09.
Interest Rate on Reserve Balances (IORB Rate) [IORB, unit=Percent]: latest 3.65 on 2026-09-14; previous 3.65 on 2026-09-13.
Market Yield on U.S. Treasury Securities at 2-Year Constant Maturity, Quoted on an Investment Basis [DGS2, unit=Percent]: latest 4.56 on 2026-09-10; previous 4.43 on 2026-09-09.
Market Yield on U.S. Treasury Securities at 10-Year Constant Maturity, Quoted on an Investment Basis [DGS10, unit=Percent]: latest 4.95 on 2026-09-10; previous 4.83 on 2026-09-09.
Market Yield on U.S. Treasury Securities at 30-Year Constant Maturity, Quoted on an Investment Basis [DGS30, unit=Percent]: latest 5.37 on 2026-09-10; previous 5.28 on 2026-09-09.
Market Yield on U.S. Treasury Securities at 10-Year Constant Maturity, Quoted on an Investment Basis, Inflation-Indexed [DFII10, unit=Percent]: latest 2.55 on 2026-09-10; previous 2.46 on 2026-09-09.
10-Year Treasury Constant Maturity Minus 2-Year Treasury Constant Maturity [T10Y2Y, unit=Percent]: latest 0.33 on 2026-09-11; previous 0.39 on 2026-09-10.
ICE BofA US Corporate Index Option-Adjusted Spread [BAMLC0A0CM, unit=Percent]: latest 0.80 on 2026-09-10; previous 0.81 on 2026-09-09.
ICE BofA US High Yield Index Option-Adjusted Spread [BAMLH0A0HYM2, unit=Percent]: latest 2.70 on 2026-09-10; previous 2.71 on 2026-09-09.
Chicago Fed National Financial Conditions Index [NFCI, unit=Index]: latest -0.56 on 2026-09-04; previous -0.56 on 2026-08-28.
Assets: Total Assets: Total Assets (Less Eliminations from Consolidation): Wednesday Level [WALCL, unit=Millions of U.S. Dollars]: latest 6740619.00 on 2026-09-09; previous 6737204.00 on 2026-09-02.
Overnight Unsecured AMERIBOR Benchmark Interest Rate [AMERIBOR, unit=Percent]: latest 3.68 on 2026-09-10; previous 3.67 on 2026-09-09.
ICE BofA BBB US Corporate Index Option-Adjusted Spread [BAMLC0A4CBBB, unit=Percent]: latest 0.98 on 2026-09-10; previous 0.99 on 2026-09-09.

Yahoo Shock Summary

Data Availability Warning

000300.SS: fresh Yahoo and fallback requests failed; using mixed through 2026-09-11 (3 of 5 permitted stale days).

The supplied completed-close observations show a relatively quiet set of currency and cryptocurrency moves alongside a much larger decline in the Nikkei 225. The instruments do not share the same latest completed date: the FX and Nikkei observations end on September 11, while Bitcoin and Ethereum end on September 13. They therefore should not be interpreted as a single synchronized trading session, and the provisional September 14 rows were explicitly excluded.

Cryptocurrency prices were nearly unchanged to modestly lower over their latest completed daily intervals. Bitcoin closed at $77,256.98 on September 13, down $13.49, or 0.02%, from September 12. That is effectively flat at the precision supplied. Ethereum closed at $2,521.37, down $4.57, or 0.18%. Ethereum therefore posted the larger percentage decline of the two, but both one-day changes were small relative to their respective price levels. From these observations alone, there is no evidence of a large directional move across the two crypto assets in the latest completed interval.

Foreign-exchange changes were also generally modest. USD/CNH closed at 6.71, with the supplied percentage change of +0.04%, indicating a very small rise in the dollar’s value against the offshore renminbi despite the rounded close remaining 6.71. EUR/USD declined 0.08% while remaining 1.16 at the displayed precision, so the euro weakened slightly against the dollar in that interval. GBP/USD increased 0.16% to a displayed 1.35, indicating a small strengthening of sterling against the dollar. These three moves are all below two-tenths of one percent and therefore describe limited day-to-day movement in the supplied crosses.

USD/JPY was the clearest FX move. It fell from 154.48 to 153.55, a decline of 0.93 yen per dollar or 0.60%. Because the quote is yen per U.S. dollar, the lower USD/JPY rate corresponds mechanically to a stronger yen relative to the dollar over that completed-close interval. Its percentage change was several times larger than those in USD/CNH, EUR/USD, or GBP/USD, making it the largest currency move in the packet.

The Nikkei 225 recorded by far the largest percentage change among the listed assets. It fell from 65,270.95 on September 10 to 64,011.34 on September 11, a decline of 1,259.61 points or 1.93%. This move was substantially larger in percentage terms than the contemporaneous supplied FX changes and larger than the later one-day declines in Bitcoin and Ethereum. The data therefore show a pronounced Japanese-equity decline against a background of comparatively restrained currency and cryptocurrency moves.

Cross-asset comparison should remain descriptive because of the differing dates and the absence of intraday, volume, volatility, or explanatory information. On the evidence supplied, the strongest observable movement was the 1.93% fall in the Nikkei 225, accompanied on the same latest FX date by a 0.60% decline in USD/JPY and only minor changes in the other currency pairs. Two days later, the latest completed crypto closes were almost unchanged for Bitcoin and modestly lower for Ethereum. The packet thus depicts concentrated movement in Japanese equities, a noticeable but smaller yen appreciation against the dollar, and otherwise limited changes across the listed FX and crypto instruments. It does not, by itself, support a causal link among those moves or indicate how provisional September 14 trading ultimately closed.