Overview

The EWT Adaptive Crypto Market Index (ACMI) is a custom-built, hybrid-weighted index designed to track the real performance of the crypto market by focusing on the top 100 most relevant assets. ACMI was created to overcome limitations found in existing crypto indexes and to offer a more practical, stable, and insightful view of overall market strength.

Methodology

• Selection: Coins are fetched from CoinGecko’s top 250 by market cap. From these, the top 100 are selected after filtering out stablecoins, synthetic assets, wrapped tokens, and coins with manipulated metrics.
• Filtering: Coins are excluded if they match certain patterns (e.g., names containing "pegged", "wrapped", "wormhole", etc.) or have extremely low volume. Coins are also reviewed manually at regular intervals to ensure coin selection mechanism is not compromised.
• Weighting: Each coin’s weight is calculated based on a hybrid formula:
  50% Market Cap + 30% Volume (24h) + 20% Inverse Volatility
  BTC and ETH are capped at 15% each to avoid dominance distortion.
• Rebalancing: The index is rebalanced weekly using the most complete price data from that week. Historical rebalancing goes back 52 weeks.
• Normalization: The index is normalized to a base value of 1000 on the first valid date, with all future values relative to this.

Why Another Index?

Existing indexes like the CoinMarketCap Top 100 Index often suffer from:

ACMI aims to give traders, researchers, and enthusiasts a more grounded view of crypto performance — without bias from artificial price pegs or massive BTC weighting.

Limitations

• Data Gaps: Sometimes, Yahoo Finance or CoinGecko may not provide prices for all coins. Rebalancing logic skips those days or uses the most complete date from the week.
• Threshold Cutoff: A minimum of 85 coins must have valid price data for a rebalance to be accepted. Otherwise, that week is skipped.
• No Intraday Updates: ACMI is based on daily close prices only, and is not suitable for intraday use.
• External API Dependency: Reliability depends on external data providers remaining stable and free.

Questions?

If you have any questions or feedback regarding the index, feel free to reach out using contact form.