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ASSESSING DATA PROVIDERS
ASSESSING DATA PROVIDERS
Most teams evaluate data providers on coverage and price โ but when discrepancies appear, the question shifts to methodology, transparency, and auditability
Most teams evaluate data providers on coverage and price โ but when discrepancies appear, the question shifts to methodology, transparency, and auditability
MiCA requires CASPs to demonstrate transparent market data sourcing, and FASB ASU 2023-08 mandates fair value measurement
Aggregating across exchanges without filtering for fake volume or manipulation produces a number that looks precise, but isn't
When pricing methodology is not publicly accessible, evaluators have no way to independently verify the accuracy of the published price
METHODOLOGY BREAKDOWN
A five-step pipeline from raw exchange data to verified published price, with full attribution at every step
STEP 1
CoinGecko first calculates a Bitcoin Price Index (BPI) by averaging BTC prices across reputed exchanges. The volume-weighted average price (VWAP) becomes the single reference point for every other coin.
STEP 2
For each coin, CoinGecko ranks every active trading pair by volume and selects the top 600. Low-volume pairs on smaller exchanges are excluded. Prices are normalized to a common base via BPI.
STEP 3
The Median Absolute Deviation (MAD) algorithm identifies exchange prices that deviate significantly from the majority and removes them before aggregation. For coins with fewer than 3 tickers, any price change over 100x is flagged.
STEP 4
Remaining tickers are combined using a volume-weighted average, so higher-volume exchanges carry more weight in the final number. The result is the published price, traceable to every contributing exchange, its Trust Score, and the exact timestamp.
STEP 5
CoinGecko applies the same filtering to exchange volumes: blacklisted pairs are excluded, and pairs inactive for over 3 hours are dropped. Reported 24h volume figures reflect only active, filtered trading data.
ACCURATE, RELIABLE, VERIFIABLE
ACCURATE, RELIABLE, VERIFIABLE
Our prices are derived through documented methodology that prioritizes active markets, with safeguards that filter unreliable data at scale
Our prices are derived through documented methodology that prioritizes active markets, with safeguards that filter unreliable data at scale
Our MAD-based filtering methodology is publicly documented. From methodology to independent audits, everything you need to evaluate us is publicly accessible.
Independent audit verifies security controls, data integrity, and operational processes meet enterprise governance standards.
Enterprise customers rely on us for dependable access to crypto market data, backed by a 99.9% uptime SLA and production-grade infrastructure powering CoinGecko.com (150M+ monthly traffic at peak).
Get started with a free API key, or speak to Sales about your data infrastructure needs