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

Why this label
EPIC

stock · Nasdaq

TSLA · Tesla, Inc.

Listed automaker. Equity perpetuals linked to the name do not confer vehicle, share or voting rights.

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Snapshot session: after-hours transitionScenario earnings 2026-10-14Scenario 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$248.60

EPIC aggregate mark

US$248.99

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

Aggregate basis

0.16%

Median funding

0.0078%

Tracked 24h notional

1.5bn USD

Tracked open interest

664.15m USD

Active venues in the book

3

Reference confidence

62Limited 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-TSLA-PERPUS$248.94US$248.600.14%0.0078%Longs pay shorts26 Sep 2026 00:00 UTC8h20×USDCUSDC5.0 bps771.39m333.39m65Limited reference qualityDisclosedUnverified
HarborHTSLAPERPUS$249.55US$248.600.38%0.0162%Longs pay shorts25 Sep 2026 21:00 UTC1h50×USDTUSDT18.5 bps549.54m238.52m60Limited reference qualityNot disclosedUnverified
MeridianmTSLA-PERPUS$248.49US$248.60-0.05%-0.0003%Shorts pay longs26 Sep 2026 00:00 UTC8h10×USDCUSDC17.5 bps178.45m92.24m60Limited reference qualityPartially disclosedUnverified

Funding

  • Northline0.0078%Longs pay shorts
  • Harbor0.0162%Longs pay shorts
  • Meridian-0.0003%Shorts pay longs

Basis

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

  • Northline0.14%
  • Harbor0.38%
  • Meridian-0.05%

Liquidity

Northline

Spread 5.0 bps · depth 10 bps 8.21m · 25 bps 15.41m

Volume / open interest 2.31. Illustrative book, not a live ladder.

Harbor

Spread 18.5 bps · depth 10 bps 2.91m · 25 bps 7.93m

Volume / open interest 2.30. Illustrative book, not a live ladder.

Meridian

Spread 17.5 bps · depth 10 bps 619.3k · 25 bps 1.71m

Volume / open interest 1.93. 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

    Stock split

    Scenario only: a 3-for-1 split used to compare multiplier adjustments. Not a Tesla corporate action.

    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 62

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

  • Primary cash-market status20%22
  • Reference-source freshness15%82
  • Independent source count10%73
  • Order-book depth10%91
  • Spread quality10%90
  • Mark versus last trade10%81
  • Related-instrument agreement10%53
  • Volatility regime5%70
  • Event-risk flag5%30
  • Price-band or stale-index condition5%86

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