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Demonstration data — not live and not venue-verified. Equity perpetuals are derivatives, not shares.

Why this label
EPIC

stock · NYSE

JPM · JPMorgan Chase & Co.

Listed bank. A perpetual does not make the holder a depositor or a shareholder.

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Snapshot session: after-hours transitionScenario earnings 2026-10-13Scenario corporate action

Demonstration · Snapshot 25 Sep 2026, 20:00 UTC · Not a live feed, venue quotation, or verified term.

Cross-venue dispersion · Screen this name · Calendar

Reference anchor

US$218.90

EPIC aggregate mark

US$218.99

Equal-weight of venue marks. Not a tradable price.

Aggregate basis

0.04%

Median funding

0.0033%

Tracked 24h notional

705.98m USD

Tracked open interest

248.07m USD

Active venues in the book

3

Reference confidence

63Limited reference quality

Illustrative path

Pinned to the snapshot. Not a historical tape. Session shading is described on AfterClose rather than drawn as a false time axis.

Venue comparison

VenueSymbolMarkReferenceBasisFundingNext fundingIntervalLeverageCollateralSettlementSpreadVolumeOpen interestConfidencePolicyVerified
NorthlineNL-JPM-PERPUS$219.12US$218.900.10%0.0059%Longs pay shorts26 Sep 2026 00:00 UTC8h20×USDCUSDC4.6 bps331.94m120.2m65Limited reference qualityDisclosedUnverified
HarborHJPMPERPUS$218.73US$218.90-0.08%0.0004%Longs pay shorts25 Sep 2026 21:00 UTC1h50×USDTUSDT12.0 bps179.75m47.09m59Limited reference qualityNot disclosedUnverified
ApertureA.JPMUS$219.12US$218.900.10%0.0033%Longs pay shorts26 Sep 2026 00:00 UTC4h5×USDUSD6.1 bps194.29m80.78m65Limited reference qualityDisclosedUnverified

Funding

  • Northline0.0059%Longs pay shorts
  • Harbor0.0004%Longs pay shorts
  • Aperture0.0033%Longs pay shorts

Basis

A basis gap is not automatically an arbitrage. Fees, funding, spread, slippage, collateral and access still apply.

  • Northline0.10%
  • Harbor-0.08%
  • Aperture0.10%

Liquidity

Northline

Spread 4.6 bps · depth 10 bps 1.67m · 25 bps 5.56m

Volume / open interest 2.76. Illustrative book, not a live ladder.

Harbor

Spread 12.0 bps · depth 10 bps 1.17m · 25 bps 2.15m

Volume / open interest 3.82. Illustrative book, not a live ladder.

Aperture

Spread 6.1 bps · depth 10 bps 1.08m · 25 bps 2.79m

Volume / open interest 2.41. Illustrative book, not a live ladder.

Specification differences

  • Northline calls the mark “fair price” and the interval “eight-hour funding window”. Normalised: mark price, 8h funding, isolated or cross margin.
  • Harbor calls the mark “markPx” and the interval “1H”. Normalised: mark price, 1h funding, isolated or cross margin.
  • Aperture calls the mark “reference mark” and the interval “4-hour cycle”. Normalised: mark price, 4h funding, cross margin.

After the cash close

The snapshot was taken at 20:00 UTC on 25 Sep 2026, the US cash close. Marks in the book are not updated when the live session clock changes.

Open AfterClose

Risk disclosure status

Northline

1 categories not disclosed in the sample file. None of these venues is labelled safe.

Venue profile

Harbor

3 categories not disclosed in the sample file. None of these venues is labelled safe.

Venue profile

Aperture

1 categories not disclosed in the sample file. None of these venues is labelled safe.

Venue profile

Corporate-action scenarios

  • Scenario

    Ordinary cash dividend

    Scenario bank dividend. Northline and Aperture state a mark adjustment. Harbor and Meridian do not both list the name, and the one that does has no clause.

    Compare venue treatments

Eligibility

EPIC does not determine legal eligibility. Open the explorer for the sample access phrases.

Eligibility explorer

Why the median score is 63

Component contributions use the weights shown. This is anchor quality, not a valuation.

  • Primary cash-market status20%22
  • Reference-source freshness15%70
  • Independent source count10%69
  • Order-book depth10%92
  • Spread quality10%90
  • Mark versus last trade10%78
  • Related-instrument agreement10%88
  • Volatility regime5%68
  • Event-risk flag5%30
  • Price-band or stale-index condition5%64

The breakdown above is the first venue in the table, not a blended score.

Sources

Source type: EPIC demonstration dataset. Captured with the snapshot. Not an official API.

Score methodology