日本語 ／ English
Primary data from Japan's Ministry of Finance, the Bank of Japan, the Federal Reserve and the CFTC. Every value carries its observation date and the time the publisher released it, as separate fields.
The site itself is in Japanese. This page carries the current figures and the machine-readable entry points, generated from the same sources as the Japanese pages.
CFTC positioning data refers to Tuesday. It is published Friday at 15:30 ET. For those three days the market does not know the number.
Index a backtest by observation date and the tester reads Friday's number on Tuesday. Results will look good. They will not be real.
| Field | Meaning |
|---|---|
| observation_date | The date the value refers to |
| publisher_release_at | When the market could first know it |
| release_at_method | rule_derived / announced / unknown |
| source_first_seen_at | When we first saw it |
| ingested_at | When we stored it |
Corrections are appended, never deleted. The full log is at /api/v0/changes.json.
| Detected (UTC) | Kind | Series | Value |
|---|---|---|---|
| 2026-09-01T13:46 | first observed | USD/JPY official daily rate (Federal Reserve H.10) frb.h10.usdjpy.daily | 159.9700 2026-08-28 |
| 2026-09-01T13:41 | updated | CFTC yen futures, non-commercial net cftc.legacy.jpy.noncomm_net | -63298 2026-08-25 |
| 2026-09-01T13:41 | updated | CFTC yen futures, leveraged funds net cftc.tff.jpy.lev_money_net | -77042 2026-08-25 |
| 2026-09-01T13:41 | updated | US–Japan yield gap (2y, 10y) drv.gap.jp_us | 2.621 2026-08-28 |
| 2026-09-01T13:41 | updated | US Treasury 2-year rate.us.ust.2y | 4.340 2026-08-28 |
| 2026-09-01T13:41 | updated | US Treasury 10-year rate.us.ust.10y | 4.730 2026-08-28 |
| 2026-09-01T13:41 | updated | JGB 2-year rate.jp.jgb.2y | 1.743 2026-08-31 |
| 2026-09-01T13:41 | updated | JGB 10-year rate.jp.jgb.10y | 2.943 2026-08-31 |
28 series live. Read status.json before citing any figure — it is generated from the actual series files, so the page cannot drift from the data.
| Layer | Status |
|---|---|
| Commodity | PLANNED |
| Price | PARTIAL |
| Rate gap | LIVE |
| Positioning | LIVE |
| Flows | PARTIAL |
| Volatility | PARTIAL |
| Policy | PARTIAL |
| Intervention | PARTIAL |
Free, no authentication, no registration. Derived values and formatting are CC BY 4.0; rights in the primary data remain with each publisher.
| Series ID | Contents | Layer / class |
|---|---|---|
| drv.event_reaction.daily | What price did on publication days | L1 · DERIVED |
| drv.gotobi_effect | What price did on gotobi days | L1 · DERIVED |
| drv.usdjpy.decomposition | USD/JPY move decomposition (yen leg vs dollar leg) | L1 · DERIVED |
| obs.usdjpy.close.daily | USD/JPY daily close | L1 · MARKET_OBSERVATION |
| drv.gap.jp_us | US–Japan yield gap (2y, 10y) | L2 · DERIVED |
| drv.hedge_cost.jpy.rate_component | FX hedge cost, interest-differential component | L2 · DERIVED |
| drv.jgb.curve | JGB yield curve, all 15 tenors, with slope classification | L2 · DERIVED |
| drv.rate_fx_linkage | Rolling link between the rate gap and USD/JPY | L2 · DERIVED |
| drv.rate_source_divergence | Divergence between yield sources (summary only) | L2 · DERIVED |
| drv.theoretical_swap | Theoretical swap points, derived from the rate gap | L2 · DERIVED |
| drv.ust.curve | US Treasury curve, all 11 tenors, with slope classification | L2 · DERIVED |
| rate.jp.jgb.10y | JGB 10-year | L2 · OFFICIAL_PUBLIC |
| rate.jp.jgb.20y | JGB 20-year | L2 · OFFICIAL_PUBLIC |
| rate.jp.jgb.2y | JGB 2-year | L2 · OFFICIAL_PUBLIC |
| rate.jp.jgb.30y | JGB 30-year | L2 · OFFICIAL_PUBLIC |
| rate.jp.jgb.40y | JGB 40-year | L2 · OFFICIAL_PUBLIC |
| rate.us.ust.10y | US Treasury 10-year | L2 · OFFICIAL_PUBLIC |
| rate.us.ust.2y | US Treasury 2-year | L2 · OFFICIAL_PUBLIC |
| cftc.legacy.jpy.noncomm_net | CFTC yen futures, non-commercial net | L3 · OFFICIAL_PUBLIC |
| cftc.tff.jpy.lev_money_net | CFTC yen futures, leveraged funds net | L3 · OFFICIAL_PUBLIC |
| drv.carry_conditions | Conditions for a yen-carry unwind, recorded daily | L3 · DERIVED |
| drv.carry_incentive_linkage | Carry incentive vs positioning and price | L3 · DERIVED |
| gov.jp.jgb_auction | JGB auction results (bid-to-cover, tail) | L4 · OFFICIAL_PUBLIC |
| gov.jp.portfolio_investment.medium_long | Japan outward portfolio investment, medium/long-term bonds | L4 · OFFICIAL_PUBLIC |
| drv.usdjpy.rv | Realised volatility (five published formulas) | L5 · DERIVED |
| stat.jp.gdp.qoq | Japan real GDP, quarter on quarter (Cabinet Office) | L6 · OFFICIAL_PUBLIC |
| stat.us.cpi | US Consumer Price Index (BLS) | L6 · OFFICIAL_PUBLIC |
| gov.jp.fx_intervention.daily | MOF FX intervention, daily record since 1991 | L7 · OFFICIAL_PUBLIC |
| Forecasts, outlooks, price targets | Never |
| Buy / sell signals | Never |
| Event importance ratings (stars) | Never |
| Market consensus estimates | Redistribution licence required |
| Real-time prices | Daily close only |
| Analyst commentary | Never |
These exclusions are written into a charter (49 articles) published with its SHA-256. Amendments keep every earlier version. The charter exists to bind the operator: having written "no forecasts", we cannot later add them.
| Entry point | Contents |
|---|---|
| /api/v0/index.json | API root |
| /api/v0/status.json | Read before citing. Which layers are live, and how each series is fetched |
| /api/v0/series/index.json | Series catalogue |
| /api/v0/changes.json | Every update and correction |
| /export/index.json | Full history, CSV and JSONL |
| /api/v0/mt/index.json | MetaTrader feed, ordered by release time |
| /llms.txt | For language models |
Contact: info@yendoller.com ／ Operated by AIMQL LLC, Japan. ／ generated 2026-09-01 22:46 JST