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Last Updated:  
September 7, 2026
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5 Minutes

Altcoins Analytics 24th December 2025

This week's edition of our Crypto Altcoins Analytics.

ETF Flows: BTC, ETH & Altcoins

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ETF Flows – Since 10 Dec, BTC and ETH ETFs saw net outflows overall. ETH outflows were concentrated mid-week, while BTC flows were smaller. Altcoin ETFs held up better: inflows were led by SOL, largest single-day inflow, and XRP, with XRP/LTC among the strongest on a market-cap-normalised basis into 22 Dec.

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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

Onchain Activity Index  - SUI

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Regression-Based Valuation vs BTC

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ETH Spot vs BTC Spot regression



BNB Spot vs BTC Spot regression


SOL Spot vs BTC Spot regression



XRP Spot vs BTC Spot regression

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ETF Flows: BTC, ETH & Altcoins

‍

ETF Flows – Since 10 Dec, BTC and ETH ETFs saw net outflows overall. ETH outflows were concentrated mid-week, while BTC flows were smaller. Altcoin ETFs held up better: inflows were led by SOL, largest single-day inflow, and XRP, with XRP/LTC among the strongest on a market-cap-normalised basis into 22 Dec.

‍

ETF net Flows: BTC, ETH & Altcoins

‍

Onchain Activity Index

‍

Onchain Activity Index  - SOL

Onchain Activity Index  - SUI

ETF Flows: BTC, ETH & Altcoins

‍

ETF Flows – Since 10 Dec, BTC and ETH ETFs saw net outflows overall. ETH outflows were concentrated mid-week, while BTC flows were smaller. Altcoin ETFs held up better: inflows were led by SOL, largest single-day inflow, and XRP, with XRP/LTC among the strongest on a market-cap-normalised basis into 22 Dec.

‍

ETF net Flows: BTC, ETH & Altcoins

‍

Onchain Activity Index

‍

Onchain Activity Index  - SOL

Onchain Activity Index  - SUI