FRESH OBSERVED ENDPOINT EVIDENCE · DATASET REVISION 322466
Live perp market facts from Arcus (dYdX Labs on Robinhood Chain) for tokenized-stock, index, and crypto perps: hourly funding (+ annualized), open interest (base + USD), mark vs oracle price, 24h volume, and margin fractions including the off-hours initial margin (Arcus raises margin when the NYSE is closed). Perp-venue complement to stock-perp-facts.
Live perp market facts from Arcus (dYdX Labs on Robinhood Chain) for tokenized-stock, index, and crypto perps: hourly funding (+ annualized), open interest (base + USD), mark vs oracle price, 24h volume, and margin fractions including the off-hours initial margin (Arcus raises ma
Endpoint
https://api.octodamus.com/v2/arcus/perp
Category market_data
Capabilities Market quote · Derivatives open interest
Routable now yes
Observed price $0.02
Craft score 79.6
Last probe 2026-07-28T22:46:07.286Z
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Machine-readable: capability profile · reputation evidence