Lighter October trading volume $72.9 billion… fees $4.09 million

Lighter reported $72.9 billion in October trading volume across its core platform and Robinhood Chain, generating $4.09 million in fees, according to an operating report shared by a Lighter official on X. The core platform accounted for $53.8 billion of volume, with Robinhood Chain contributing $19.1 billion. Combined open interest across both platforms stood at $1.41 billion at the end of October, split between $1.03 billion on the core platform and $376 million on Robinhood Chain. The figures matter as a gauge of Lighter's scale in the perp DEX sector and its traction on Robinhood Chain, with open interest — contracts not yet closed, as defined by the CFTC — the next metric to watch for signs of sustained positioning.