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

Why this label
EPIC

stock · Nasdaq

COIN · Coinbase Global, Inc.

Listed crypto-proxy equity. A perpetual on the share is still an equity derivative, not a token.

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Snapshot session: after-hours transitionScenario earnings 2026-11-05Scenario 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$214.20

EPIC aggregate mark

US$214.83

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

Aggregate basis

0.29%

Median funding

0.0021%

Tracked 24h notional

525.98m USD

Tracked open interest

213.71m 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-COIN-PERPUS$213.98US$214.20-0.10%-0.0041%Shorts pay longs26 Sep 2026 00:00 UTC8h20×USDCUSDC3.1 bps265.23m113.28m64Limited reference qualityDisclosedUnverified
HarborHCOINPERPUS$216.12US$214.200.90%0.0321%Longs pay shorts25 Sep 2026 21:00 UTC1h50×USDTUSDT7.7 bps149.67m75.91m65Limited reference qualityNot disclosedUnverified
MeridianmCOIN-PERPUS$214.38US$214.200.09%0.0021%Longs pay shorts26 Sep 2026 00:00 UTC8h10×USDCUSDC19.5 bps111.08m24.52m61Limited reference qualityPartially disclosedUnverified

Funding

  • Northline-0.0041%Shorts pay longs
  • Harbor0.0321%Longs pay shorts
  • Meridian0.0021%Longs pay shorts

Basis

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

  • Northline-0.10%
  • Harbor0.90%
  • Meridian0.09%

Liquidity

Northline

Spread 3.1 bps · depth 10 bps 1.63m · 25 bps 7.16m

Volume / open interest 2.34. Illustrative book, not a live ladder.

Harbor

Spread 7.7 bps · depth 10 bps 1.14m · 25 bps 3.15m

Volume / open interest 1.97. Illustrative book, not a live ladder.

Meridian

Spread 19.5 bps · depth 10 bps 232.44k · 25 bps 666.64k

Volume / open interest 4.53. 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.
  • Meridian calls the mark “oracleMark” and the interval “fundingPeriod=8”. Normalised: mark price, 8h funding, isolated 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

Meridian

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

Venue profile

Corporate-action scenarios

  • Scenario

    Trading halt

    Scenario halt used to show that venue pause rules are not the same document as the cash-market halt.

    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%79
  • Independent source count10%79
  • Order-book depth10%94
  • Spread quality10%94
  • Mark versus last trade10%80
  • Related-instrument agreement10%48
  • Volatility regime5%70
  • Event-risk flag5%30
  • Price-band or stale-index condition5%68

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