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Last Updated:  
December 31, 2025
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Altcoins Analytics 31st December 2025

This week's edition of our Crypto Altcoins Analytics.

DeFi
Crypto

ETF Flows: BTC, ETH & Altcoins

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ETF Flows – From mid-December, BTC and ETH ETFs skewed net negative. ETH outflows peaked on 15–16 Dec, while BTC was smaller and two-way. Altcoin ETFs held up better, led by SOL’s biggest single-day inflow, with XRP/LTC strongest on a market-cap-normalised basis into 22 Dec before flows cooled into late December.

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ETF net Flows: BTC, ETH & Altcoins

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Onchain Activity Index

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Onchain Activity Index  - SOL

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Onchain Activity Index  - SUI

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Regression-Based Valuation vs BTC

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ETH Spot vs BTC Spot regression

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BNB Spot vs BTC Spot regression

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SOL Spot vs BTC Spot regression

XRP Spot vs BTC Spot regression

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Tazmina Rashid
Research Analyst
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ETF Flows: BTC, ETH & Altcoins

‍

ETF Flows – From mid-December, BTC and ETH ETFs skewed net negative. ETH outflows peaked on 15–16 Dec, while BTC was smaller and two-way. Altcoin ETFs held up better, led by SOL’s biggest single-day inflow, with XRP/LTC strongest on a market-cap-normalised basis into 22 Dec before flows cooled into late December.

‍

ETF net Flows: BTC, ETH & Altcoins

‍

Onchain Activity Index

‍

Onchain Activity Index  - SOL

‍

Onchain Activity Index  - SUI

‍

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ETF Flows: BTC, ETH & Altcoins

‍

ETF Flows – From mid-December, BTC and ETH ETFs skewed net negative. ETH outflows peaked on 15–16 Dec, while BTC was smaller and two-way. Altcoin ETFs held up better, led by SOL’s biggest single-day inflow, with XRP/LTC strongest on a market-cap-normalised basis into 22 Dec before flows cooled into late December.

‍

ETF net Flows: BTC, ETH & Altcoins

‍

Onchain Activity Index

‍

Onchain Activity Index  - SOL

‍

Onchain Activity Index  - SUI

‍

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