Price: mark price · perpetual futures / vs. 24h earlier / / Saved / stale
Price-discovery chart
Solid line = the referenced cash market is in session / dotted line = outside the session (overnight and weekends); both show the same perpetual-futures reference value (line styles are not distinguished at narrow display widths). About the data
Saved open interest, contract count
Saved funding rate, per-hour decimal
A stock index made up of 225 companies listed on the Tokyo Stock Exchange.
Source: Hyperliquid · Last updated · Perpetual-futures reference value
Cash Tokyo: 09:00–11:30 / 12:30–15:30. When closed: perpetual-futures reference. Hyperliquid xyz perpetual-futures reference.
How to read the chart
Reference chart of Hyperliquid perpetual-futures candles for Nikkei 225, not the official cash-market chart.
Reference value and method
How the numbers and formulas on this page work: Symbol page guide.
Nikkei 225 is shown as a Hyperliquid perpetual-futures reference, and 24h compares against the previous-day reference for the same contract, not a cash price, official index, exchange close, or cash previous close.
Observed value at 2026-09-27 22:04 UTC
- Asset class
- Index perpetual-futures reference
- Source
- Hyperliquid / xyz:JP225
- Price unit
- Index-point equivalent
- Reference value
- 66396.50
- 24h
- -0.38%
- Method
- Use the mid price; use the mark price only when no mid price can be obtained
- Referenced contracts
- xyz:JP225
- Observed time
- Saved observation
Ratio = 66396.5 / 66651.0 − 1 = -0.38% (shown as a percentage, rounded to two decimal places).
Hyperliquid field names: mid price = midPx; mark price = markPx; previous-day reference = prevDayPx.
This site does not provide investment advice.
Range position
2026-04-09 – 2026-10-08 · 183 daily candles (settled only). Daily candles are 24-hour perpetual-futures values, not official exchange closes.
- Low for this period
- 55,000 (2026-04-09)
- High for this period
- 73,441 (2026-06-22)
- Position
- 61.8%
- Reference used for position
- 66396.5
- Observed at
Highs and lows after the collection period are not included.
About this symbol
The index is made up of 225 issues listed on the Prime Market of the Tokyo Stock Exchange. It is a price-weighted index calculated from those share prices. Nikkei Inc. calculates and publishes the index.
Sources: Nikkei Inc., trade[XYZ] (contract issuer).
Sourced explanations (18)
Explanations may include summaries and translations. Follow the source links for the original text.
Composition and methodology
-
The index is made up of 225 issues listed on the Prime Market of the Tokyo Stock Exchange. It is a price-weighted index calculated from those share prices. From the index guidebook dated 24 July 2025.
Source: Nikkei Inc.
-
Nikkei Inc. calculates and publishes the index. Calculation began on 7 September 1950. The Tokyo Stock Exchange calculated it at first, and Nikkei Inc. has calculated it since 1970. From the index guidebook dated 24 July 2025.
Source: Nikkei Inc.
-
This contract references the index level in its native yen terms. No FX conversion is applied. Profit and loss is cash-settled in USDC. From the contract specification, retrieved 23 August 2026.
Source: trade[XYZ] (contract issuer)
-
Spot index values are available from 9:00 to 11:30 and 12:30 to 15:30 Japan time. Outside those hours the level is derived from index futures quotes. From the contract specification, retrieved 23 August 2026.
Source: trade[XYZ] (contract issuer)
-
The constituent list is reviewed twice a year. The base dates are the end of January and the end of July, and the changes take effect at the beginning of April and October. From the index guidebook dated 24 July 2025.
Source: Nikkei Inc.
-
The index is calculated every 5 seconds. That interval has been in place since 18 July 2017. The level is stated to two decimal places. From the index guidebook dated 24 July 2025.
Source: Nikkei Inc.
-
The index is the sum of the constituent share prices, each adjusted by a price adjustment factor, divided by the divisor. The divisor is adjusted when constituents are removed or added so that the series stays continuous. From the index guidebook dated 24 July 2025.
Source: Nikkei Inc.
-
When one constituent's weight exceeds a threshold, a capping ratio is applied to reduce it. The threshold was introduced at 12% at the October 2022 periodic review. It was lowered to 11% in October 2023 and to 10% in October 2024. From the index guidebook dated 24 July 2025.
Source: Nikkei Inc.
-
ETFs, REITs, preferred stocks, preferred securities and tracking stocks are not selected as constituents. From the index guidebook dated 24 July 2025.
Source: Nikkei Inc.
-
Regular constituent reviews take effect on the 1st business day of month 04 and month 10 each year. The reference dates are the ends of month 01 and month 07. From the published source retrieved on 2026-08-25.
Source: Nikkei Inc.
-
The maximum number of constituents replaced at a regular review is 3. From the published source retrieved on 2026-08-25.
Source: Nikkei Inc.
-
The 450 TSE Prime-listed stocks with the highest market liquidity form the high-liquidity group. The top 75 stocks not already included are selected. From the published source retrieved on 2026-08-25.
Source: Nikkei Inc.
-
The index is calculated by multiplying each stock price by its price adjustment factor, summing the results, and dividing by the divisor. From the published source retrieved on 2026-08-25.
Source: Nikkei Inc.
-
The cap level has been 10% at regular reviews since 2024-10. It was 12% when introduced in 2022-10. From the published source retrieved on 2026-08-25.
Source: Nikkei Inc.
-
The calculation interval is 5 seconds and has applied since 2017-07-18. The opening value is the value as of 09:00:05 a.m. From the published source retrieved on 2026-08-25.
Source: Nikkei Inc.
-
The index value is rounded at the 3rd decimal place and shown to 2 decimal places. From the published source retrieved on 2026-08-25.
Source: Nikkei Inc.
Contract and trading hours
-
Internal pricing applies on weekdays from 6:00 to 7:00 Japan time, and from Saturday 6:00 to Monday 7:00. From the contract specification, retrieved 23 August 2026.
Source: trade[XYZ] (contract issuer)
Basic information
-
Market liquidity is measured using trading value and price fluctuation per trading value. The measurement period is 5 years. From the published source retrieved on 2026-08-25.
Source: Nikkei Inc.
Market observations Retrieved: 2026-09-27 22:04 UTC
24h volume Retrieved: 2026-09-27 22:04 UTC
- Notional (USDC)
- 133,181.52
- Contracts
- 2.000
- Nominal / quantity
- 66,590.092899Notional ÷ contracts, using the values before rounding; rounded to six decimal places
Open interest (OI) Retrieved: 2026-09-27 22:04 UTC
- Open interest (contracts)
- 48.831
- Mark price
- 66379.0
- Notional (contracts × mark price)
- 3,241,358.26Contracts × mark price, using the values before rounding; USDC, rounded to two decimal places
Funding rate Retrieved: 2026-09-27 22:04 UTC
Funding: Hourly 0.0000336021 = 0.00336021% (shown as a percentage); ×24 (daily conversion) = 0.08064504%; ×24×365 (365-day conversion) = 29.4354396% (simple multiplications, not accrued amounts). The marker in the diagram shows the sign only (this value is positive).
- Hourly
- 0.0000336021As a percentage: 0.00336021%
- ×24 (daily conversion)
- 0.08064504%
- ×24×365 (365-day conversion)
- 29.4354396%
Hyperliquid field names and values before rounding: notional = dayNtlVlm 133181.5176 USDC; contracts = dayBaseVlm 2.00002; open interest = openInterest 48.83108 contracts; mark price = 66379.0; hourly funding rate = funding 0.0000336021.
Daily observation log (67 saved daily records) Latest: 2026-10-17 22:04:59.595 UTC
Latest: 2026-10-17 22:04:59.595 UTC · Records with missing fields: 0/67 · Missing dates: 4
Show 67 saved daily records
Hyperliquid field names: Mid price = midPx; Previous-day reference = prevDayPx; Open interest = openInterest; 24h notional volume (USDC) = dayNtlVlm. vs previous-day reference = midPx / prevDayPx - 1.
Scroll horizontally to see all columns.
| Observed at (UTC) | Mid price | Previous-day reference | vs previous-day reference | Open interest | 24h notional volume (USDC) |
|---|---|---|---|---|---|
| 66098.5 | 65980.0 | +0.18% | 18.93374 | 301170.0224799999 | |
| 66139.5 | 66160.0 | -0.03% | 20.96982 | 154326.64633 | |
| 66683.5 | 65985.0 | +1.06% | 26.4184 | 1677167.2072499997 | |
| 67105.5 | 66636.0 | +0.70% | 24.25892 | 1083195.1839600001 | |
| 68430.0 | 67186.0 | +1.85% | 141.08042 | 6913870.0832100017 | |
| 69186.0 | 68476.0 | +1.04% | 26.7201 | 10443151.6254100055 | |
| 68758.0 | 69150.0 | -0.57% | 21.65288 | 1712155.2714900002 | |
| 68469.5 | 68622.0 | -0.22% | 21.15168 | 76770.4356 | |
| 69049.5 | 68617.0 | +0.63% | 23.17754 | 1036264.2775799999 | |
| 66037.0 | 68952.0 | -4.23% | 34.19964 | 2730535.7962100008 | |
| 66300.0 | 66088.0 | +0.32% | 31.39034 | 3412552.1200099983 | |
| 65415.0 | 66243.0 | -1.25% | 34.19862 | 1985796.4695600003 | |
| 65906.5 | 65483.0 | +0.65% | 31.7195 | 3220855.9465899998 | |
| 65802.5 | 65835.0 | -0.05% | 31.46932 | 44215.87735 | |
| 65894.5 | 65772.0 | +0.19% | 31.91882 | 70127.39421 | |
| 65359.5 | 65999.0 | -0.97% | 24.52286 | 1532405.7396000002 | |
| 66116.5 | 65424.0 | +1.06% | 21.70932 | 2411233.4993399992 | |
| 66783.5 | 65995.0 | +1.19% | 17.92942 | 1884640.9313100001 | |
| 66123.0 | 66424.0 | -0.45% | 19.36194 | 2634472.6813000008 | |
| 65803.0 | 66328.0 | -0.79% | 21.08222 | 1171566.6946500002 | |
| 65715.0 | 65718.0 | 0.00% | 21.537 | 54404.53267 | |
| 65579.5 | 65804.0 | -0.34% | 21.63174 | 645836.3943600002 | |
| 65851.5 | 65613.0 | +0.36% | 20.62484 | 1424295.0544699999 | |
| 64799.5 | 65844.0 | -1.59% | 24.8784 | 2010789.1878799999 | |
| 64621.0 | 64776.0 | -0.24% | 23.48472 | 2196867.3672400005 | |
| 64738.5 | 64689.0 | +0.08% | 26.68954 | 1555102.0438899996 | |
| 65235.5 | 64654.0 | +0.90% | 20.56982 | 1974470.5818699994 | |
| 65752.0 | 65186.0 | +0.87% | 22.55134 | 651432.1084200003 | |
| 66297.5 | 65682.0 | +0.94% | 21.47664 | 555235.1905799996 | |
| 64414.0 | 65081.0 | -1.02% | 26.86598 | 2887007.1302600005 | |
| 64026.0 | 64376.0 | -0.54% | 28.51684 | 2990780.6867599981 | |
| 64876.5 | 64022.0 | +1.33% | 33.54534 | 4155566.9125600001 | |
| 64867.0 | 64857.0 | +0.02% | 33.70432 | 90995.71659 | |
| 63428.5 | 64241.0 | -1.26% | 43.28162 | 2273063.1280100006 | |
| 63611.5 | 63556.0 | +0.09% | 44.53018 | 1350332.2800299998 | |
| 64301.5 | 63642.0 | +1.04% | 46.4724 | 1371914.2715299998 | |
| 65018.5 | 64329.0 | +1.07% | 36.85392 | 1634779.5095799998 | |
| 65217.5 | 65025.0 | +0.30% | 38.03714 | 1358896.8021600007 | |
| 65445.5 | 65200.0 | +0.38% | 37.23364 | 225117.1082900001 | |
| 64928.5 | 65442.0 | -0.78% | 33.87724 | 273806.1038900001 | |
| 66560.5 | 65182.0 | +2.11% | 40.6115 | 1474852.9001300023 | |
| 67068.0 | 66510.0 | +0.84% | 42.5176 | 2522429.6948899995 | |
| 66183.0 | 67115.0 | -1.39% | 48.49006 | 995244.7033000001 | |
| 65746.5 | 66223.0 | -0.72% | 54.00632 | 1609934.4705100008 | |
| 66749.5 | 65663.0 | +1.65% | 49.061 | 1067406.88017 | |
| 66586.0 | 66749.0 | -0.24% | 49.4816 | 75528.69087 | |
| 66396.5 | 66651.0 | -0.38% | 48.83108 | 133181.5176 | |
| 65530.0 | 66618.0 | -1.63% | 157.65058 | 7104054.8013500012 | |
| 66248.5 | 65606.0 | +0.98% | 67.25556 | 7147088.851630006 | |
| 66849.0 | 66082.0 | +1.16% | 55.60736 | 3216150.964029999 | |
| 68157.5 | 66749.0 | +2.11% | 104.66722 | 4844869.0768699972 | |
| 69750.5 | 68160.0 | +2.33% | 58.35022 | 10854899.2806200013 | |
| 69771.0 | 69769.0 | 0.00% | 57.0306 | 130639.57495 | |
| 69647.0 | 69719.0 | -0.10% | 56.13764 | 91341.86719 | |
| 69970.5 | 69710.0 | +0.37% | 48.83202 | 1826463.3523900001 | |
| 70858.5 | 70084.0 | +1.11% | 57.56102 | 1522964.7810799999 | |
| 69687.5 | 70926.0 | -1.75% | 48.67012 | 2684539.2051499989 | |
| 68274.5 | 69652.0 | -1.98% | 50.01108 | 3073557.4485199996 | |
| 69051.0 | 68407.0 | +0.94% | 42.54232 | 2972013.9322400009 | |
| 68845.5 | 69073.0 | -0.33% | 42.21538 | 138206.31814 | |
| 69051.5 | 68779.0 | +0.40% | 43.2672 | 109526.18198 | |
| 68302.5 | 69065.0 | -1.10% | 40.34332 | 3163773.0677800011 | |
| 67983.5 | 68239.0 | -0.37% | 46.79534 | 3527442.1660099979 | |
| 66441.0 | 67972.0 | -2.25% | 51.07326 | 5671634.0235899994 | |
| 65446.5 | 66462.0 | -1.53% | 50.29082 | 5528515.4963699998 | |
| 63318.0 | 65610.0 | -3.49% | 48.57506 | 4639127.8641399983 | |
| 63531.5 | 63323.0 | +0.33% | 50.51138 | 1161020.8432 |
Dates without a saved record in the displayed period: 2026-08-16, 2026-09-07, 2026-09-08, 2026-09-13.
Period range (67 records with a mid price)
Period range over 67 daily log rows: first mid price 66098.5; last mid price 63531.5; highest mid price in the period 70858.5; lowest mid price in the period 63318.0.
- First mid price2026-08-08 22:05:00.098 UTC
- 66098.5
- Last mid price2026-10-17 22:04:59.595 UTC
- 63531.5
- Highest mid price in the period2026-10-06 22:04:47.259 UTC
- 70858.5
- Lowest mid price in the period2026-10-16 22:04:53.055 UTC
- 63318.0
Market hours
| Trading hours | Tokyo time 09:00-11:30 / 12:30-15:30 |
|---|---|
| Days | Weekdays. Check the related venue calendar for holidays. |
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Frequently asked questions
Is this number the index itself?
It is not the index value itself. It is a reference value for a perpetual futures contract on the index. During the hours when the cash index is calculated, the contract references that index value. Outside those hours, it derives an index-equivalent value from index futures quotes.
Why does it move while the local market is closed?
Outside the hours when the cash index is calculated, an index-equivalent value is derived from index futures quotes. The calculation hours for each index are stated in “About this symbol.”
Is currency conversion included?
Yen- and won-denominated indices reference their local-currency index values without currency conversion. Profit and loss is settled in USDC.
Is a list of index constituents available?
No. Constituents can change. “About this symbol” states only the rules and timing for constituent changes.