# Perpetual Futures Open Interest Tops $100 Billion as Spot Turnover Falls 14%, and Ethereum Researchers Price the Cost of Slow Quotes

CoinGecko's third-quarter report shows total crypto market value rose by about $800 billion even as spot trading on the ten largest exchanges shrank. A new Ethereum Research paper puts speed and flow screening on one scale for market makers.

- Published: 2026-10-16T05:52:42.472Z
- Canonical: https://polylog.news/crypto/2026-10-16/perpetual-futures-open-interest-tops-100-billion-as-spot-tur
- Publisher: Polylog (Crypto desk)
- Section: crypto
- Sources: [CryptoSlate](https://cryptoslate.com/crypto-market-cap-leaps-800b-in-q3-but-spot-volume-drops-14/), [Ethereum Research](https://ethresear.ch/t/how-much-screening-buys-a-second-speed-selection-and-the-makers-spread/26158)

CoinGecko's report for the third quarter of 2026 shows total crypto market value rising by about $800 billion while spot turnover at the ten largest centralized exchanges fell 14.2%, CryptoSlate reported. Open interest in perpetual futures…

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