OpenAIReference
1,534.7+1.71%Difference +25.8

Price: mark price · perpetual futures / vs. 24h earlier / / Saved / stale

Five daily saved mark prices, 2026-10-15 to 2026-10-19 / Low 1,498.5 · High 1,562.4

Price-discovery chart

A continuous 24-hour perpetual-futures reference value. About the data

Open interest (contracts)4737.078 contracts

Saved open interest, contract count

Funding rate (per hour)0.0000099112

Saved funding rate, per-hour decimal

Contract ID
io:OAI
dex
io
Type
Perpetual futures reference
Quote unit
USDC reference
Issuer OpenAI

This is a perpetual-futures reference on the market capitalization of a company before its public listing. The contract is issued by Entropy, and $1 of the contract represents $1 billion of market capitalization. It is not a share price.

Not a per-share price. Under the issuer's specification, USD 1 of price represents USD 1 billion of the company's market capitalization. This page displays a reference value in USDC.

Source: Hyperliquid · Last updated · Perpetual-futures reference value

References an unlisted company. The reference is quoted in USDC. Hyperliquid io perpetual-futures reference.

How to read the chart

Reference chart of Hyperliquid perpetual-futures candles for OpenAI, not the official cash-market chart.

Reference value and method

How the numbers and formulas on this page work: Symbol page guide.

OpenAI 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.

Not a per-share price. Under the issuer's specification, USD 1 of price represents USD 1 billion of the company's market capitalization. This page displays a reference value in USDC.

Observed value at 2026-09-27 22:04 UTC

Asset class
Unlisted-company reference
Source
Hyperliquid / io:OAI
Price unit
USDC reference
Reference value
USDC 1661.25
24h
+1.35%
Method
Use the mid price; use the mark price only when no mid price can be obtained
Referenced contracts
io:OAI
Observed time
Saved observation

Ratio = 1661.25 / 1639.1 − 1 = +1.35% (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.

Symbol facts and market observations

About this symbol

Sourced explanations (7)

Explanations may include summaries and translations. Follow the source links for the original text.

Contract and trading hours

  • The reference issuer of this contract is OpenAI Group PBC. Each $1 of the contract represents $1 billion of market capitalization of the underlying company. The quote asset is USDC. From the contract specification, retrieved 29 September 2026.

    Source: Entropy (contract issuer)

  • Before listing, published mark and oracle prices are bounded by a lower bound of 200 and an upper bound of 3,000. The bounds are reviewed on the same cadence as open interest caps. From the contract specification, retrieved 29 September 2026.

    Source: Entropy (contract issuer)

  • The oracle price is published approximately every 3 seconds. It blends an internal price derived from the contract's order book with an external price aggregated from private-market data sources. From the contract specification, retrieved 29 September 2026.

    Source: Entropy (contract issuer)

  • The open interest cap for this contract is 10M, as written in the specification, and margin is isolated. The funding multiplier is 0.125. From the contract specification, retrieved 29 September 2026.

    Source: Entropy (contract issuer)

  • Holding the contract confers no ownership, voting rights, dividends or IPO allocation. The contract does not require private-share inventory. From the contract specification, retrieved 29 September 2026.

    Source: Entropy (contract issuer)

Composition and methodology

  • Three calendar days before an announced listing, the oracle becomes a 1-hour exponential moving average of the mark. After the listing, the market continues as a market-capitalization contract. From the contract specification, retrieved 29 September 2026.

    Source: Entropy (contract issuer)

  • If the issuer remains unlisted, the contract settles on 2 September 2028, at the 6-month trailing time-weighted average of the mark price. If the operator issues an early-settlement notice, the contract settles at the notice time, at the 30-day time-weighted average of the mark. From the contract specification, retrieved 29 September 2026.

    Source: Entropy (contract issuer)

Market observations Retrieved: 2026-09-27 22:04 UTC

24h volume Retrieved: 2026-09-27 22:04 UTC

Notional (USDC)
865,228.09
Contracts
527.125
Nominal / quantity
1,641.409697Notional ÷ contracts, using the values before rounding; rounded to six decimal places

Open interest (OI) Retrieved: 2026-09-27 22:04 UTC

Bars: OI nominal 6,819,803.02 USDC vs 24h turnover 865,228.09 USDC at the actual ratio, with 100% width = OI nominal 6,819,803.02 USDC.
Open interest (contracts)
4,107.078
Mark price
1660.5
Notional (contracts × mark price)
6,819,803.02Contracts × mark price, using the values before rounding; USDC, rounded to two decimal places

Funding rate Retrieved: 2026-09-27 22:04 UTC

Funding: Hourly 0.0000319538 = 0.00319538% (shown as a percentage); ×24 (daily conversion) = 0.07668912%; ×24×365 (365-day conversion) = 27.9915288% (simple multiplications, not accrued amounts). The marker in the diagram shows the sign only (this value is positive).

Hourly
0.0000319538As a percentage: 0.00319538%
×24 (daily conversion)
0.07668912%
×24×365 (365-day conversion)
27.9915288%

Hyperliquid field names and values before rounding: notional = dayNtlVlm 865228.0862999995 USDC; contracts = dayBaseVlm 527.125; open interest = openInterest 4107.078 contracts; mark price = 1660.5; hourly funding rate = funding 0.0000319538.

Daily observation log (58 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: 15/58 · Missing dates: 3

Show 58 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)
— 1250.0 — 0.0 0.0
— 1250.0 — 0.0 0.0
— 1250.0 — 0.0 0.0
— 1250.0 — 0.0 0.0
— 1250.0 — 0.0 0.0
— 1250.0 — 0.0 0.0
— 1250.0 — 0.0 0.0
— 1250.0 — 0.0 0.0
— 1250.0 — 0.0 0.0
— 1250.0 — 0.0 0.0
— 1250.0 — 0.0 0.0
— 1250.0 — 0.0 0.0
— 1250.0 — 0.0 0.0
— 1250.0 — 0.0 0.0
— 1250.0 — 0.0 0.0
1290.9 1328.6 -2.84% 720.088 1976682.9944999998
1461.05 1293.9 +12.92% 2336.558 5518450.3422000017
1463.25 1448.4 +1.03% 2823.71 2665864.5818999992
1498.35 1463.6 +2.37% 3198.816 2279373.1077000001
1480.5 1498.4 -1.19% 3268.754 1122198.5769000002
1632.55 1621.0 +0.71% 4238.704 3684919.9621000048
1624.25 1638.7 -0.88% 4268.122 3541891.4968000017
1633.4 1624.0 +0.58% 4635.406 1964675.8485000005
1591.85 1633.0 -2.52% 4649.75 3521077.0739999996
1577.65 1501.0 +5.11% 4805.918 2655233.3141000019
1535.55 1580.4 -2.84% 4751.98 1860907.2381000018
1569.0 1529.8 +2.56% 4469.608 2057492.2431999994
1589.65 1568.1 +1.37% 4378.492 1832009.2141
1590.55 1593.1 -0.16% 4478.698 1232954.7202999997
1614.2 1590.3 +1.50% 4641.144 817274.7173000003
1617.3 1615.2 +0.13% 4638.068 740731.6965999998
1661.15 1617.0 +2.73% 4395.736 2172672.6843000003
1699.1 1673.4 +1.54% 4484.058 1503700.0381000002
1652.5 1695.6 -2.54% 4395.912 827485.8864999999
1624.95 1649.5 -1.49% 4132.06 1239513.1610000001
1622.45 1624.2 -0.11% 3676.132 1082460.1954999997
1639.35 1622.4 +1.04% 3851.568 696375.7004999999
1661.25 1639.1 +1.35% 4107.078 865228.0862999995
1627.3 1660.1 -1.98% 4154.76 1006333.6299000004
1689.95 1633.0 +3.49% 4686.578 5571729.712600003
1634.05 1690.8 -3.36% 4036.428 1815551.7865000002
1582.45 1638.3 -3.41% 3455.842 2677670.2620000001
1616.4 1582.6 +2.14% 3482.89 1291803.4811999998
1634.9 1617.2 +1.09% 3573.526 980874.9644000004
1642.3 1634.7 +0.46% 3474.026 871747.7963000002
1644.85 1641.0 +0.23% 3520.678 1049367.8433000001
1687.65 1645.6 +2.56% 3332.058 1671698.0796999997
1730.05 1687.8 +2.50% 3053.154 4722327.4499000013
1673.1 1731.0 -3.34% 3176.308 6309606.7359000035
1686.5 1673.2 +0.79% 3286.624 3562489.450799997
1711.5 1686.1 +1.51% 3308.45 2451223.4976999983
1698.75 1711.6 -0.75% 3318.244 4220970.105700003
1691.85 1700.3 -0.50% 3297.428 3779702.6351999994
1660.25 1690.8 -1.81% 3268.946 3788230.3481999985
1623.95 1660.1 -2.18% 3823.508 4703956.3332999861
1562.25 1625.3 -3.88% 4558.318 8696293.2563999947
1533.75 1561.5 -1.78% 4587.846 5365489.256200009
1500.05 1531.7 -2.07% 4747.868 3375107.6678999984

Dates without a saved record in the displayed period: 2026-09-07, 2026-09-08, 2026-09-13.

Missing mid price: 2026-08-18, 2026-08-19, 2026-08-20, 2026-08-21, 2026-08-22, 2026-08-23, 2026-08-24, 2026-08-25, 2026-08-26, 2026-08-27, 2026-08-28, 2026-08-29, 2026-08-30, 2026-08-31, 2026-09-01. The page does not substitute another field or another date.

Period range (43 records with a mid price)

Period range over 58 daily log rows: first mid price 1290.9; last mid price 1500.05; highest mid price in the period 1730.05; lowest mid price in the period 1290.9.

First mid price2026-09-02 22:05:05.857 UTC
1290.9
Last mid price2026-10-17 22:04:59.595 UTC
1500.05
Highest mid price in the period2026-10-07 22:04:49.790 UTC
1730.05
Lowest mid price in the period2026-09-02 22:05:05.857 UTC
1290.9

Market hours

Market hours
Trading hours Treated as a 24-hour market.
Note The displayed price is a Hyperliquid perpetual-futures reference.
Check It can differ from cash prices and prices on other venues.

Understanding this contract

Other symbols in this group

Related articles

Back to new listings

Frequently asked questions

What does the OpenAI price on this page represent?

It is the io:OAI perpetual-futures reference from Hyperliquid. It is not a cash price, official index value, or exchange close. Not a per-share price. Under the issuer's specification, USD 1 of price represents USD 1 billion of the company's market capitalization. This page displays a reference value in USDC.

What is the 24h comparison for OpenAI?

It compares the current reference against the previous-day reference of the same Hyperliquid contract. It is not a comparison against the cash-market previous close.

What are the market observations for OpenAI?

They are the 24-hour volume (notional and contracts), open interest, mark price, and funding rate from the same retrieval as the reference value. Computed fields show their formulas beside them.