The Reuters Instrument Code (RIC) assigned for the Bitcoin Liquid Index is <BTCINX=BNC>

BNC Bitcoin Liquid Index (BLX)

BNC has developed the Bitcoin Liquid Index (BLX) to meet the marketplace requirement for a single, reliable and fair USD price for Bitcoin — based on live real-world trading activity. The index is designed to report a market price at which liquidity could enter or exit a Bitcoin position. The BLX captures a comprehensive, global sample of liquidity on the highest volume and quality exchanges. Ideal for settlements and accurate spot pricing, the BLX API includes 30 second Intra-Day pricing, End-of-Day OHLCV and Time & Volume-Weighted-Averages.

BNC accesses multiple API outputs from each constituent exchange and captures in real time:

  • Time-stamp
  • Individual trade ID
  • Exchange ID
  • Trade Price in Fiat (USD or EUR)
  • Trade volume (in BTC)
  • Orderbook Depth (both sides)
BLX

Methodology & Constituent Exchange Qualifiers

The BLX sources data from only the most liquid exchanges by volume and order-book depth. Given that exchanges are third-party organizations operating in a volatile and competitive marketplace, BNC reviews its constituent mix and index methodology every quarter to ensure the quality of its indices.

For a constituent exchange to be included in the BLX it must meet the following qualifying criteria:

  • Offer fully automated trading of Bitcoin with volume, depth and consistency of transactions.
  • Charge transaction fees.
  • Provide a stable API with options for on-going, live, full trade data capture.
  • Exhibit a track record of uninterrupted customer deposits/withdrawals.
  • Show compliance with applicable regulations in its operating jurisdiction.
  • Be AML/KYC compliant.
  • Maintain orderly market conditions at all times.
  • Maintain a significant record of liquidity.
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Index Constituents

BNC has set its minimum number of constituents for index compilation at six. This ensures effective data redundancy and uncompromised index quality.

The following exchanges contribute reliable, real-time, public market data to BNC and have met the BLX constituency requirements for index entry.

Factsheet

Full Name The Brave New Coin Bitcoin Liquid Index
Symbol BNC-BLX
Description The BNC BLX represents the fair value of Bitcoin, as based on trade and order book data sourced from the world’s most trusted and liquid trading platforms
Methodology Review Quarterly
Calculation Frequency Every 30 seconds
Launch Date August 28th 2015
Historical Data Available retrospectively to July 2010
Base Currency USD
Precision Level Published with 8 Decimals

Constituents & Trading Pairs

Bitfinex BTC/USD
Bitstamp BTC/USD
Coinbase BTC/USD
Gemini BTC/USD
Kraken BTC/USD
LMAX BTC/USD

Index Maintenance

Data Filtering

BNC’s BLX is constructed using pricing data from actual trades and exchange order books. Real-time trade data is captured, formatted and then scrubbed for outlier transactions. Anomalous transactions are tagged and stored but have no influence over the index calculation. The constituent order books are also sampled, both bid and ask, to establish the depth of liquidity.

Index Calculation

The BLX calculates a USD price point for Bitcoin at tick intervals of 30 seconds. After data filtering, the volume weighted price for each constituent is obtained from the set of trades in each tick. For non-USD constituents this is converted to USD at the rate applicable at the time [source: OpenExchangeRates.com].

The constituent USD prices are then weighted according to three variables:

  • Moving total trade volume
  • Order book depth
  • Constituent historical performance
  • This factor weighting ensures the index is responsive to sudden market movements, while also limiting the impact of outlier transactions and market interruption events. The result is a superior index reporting legitimate Bitcoin trading activity globally.

Quarterly Review

While the weightings are adjusted algorithmically, there are a series of qualitative factors that are applied on top of the quantitative method. These are reviewed every three months. The performance of each constituent through the previous period is analysed and ranked. Ranking factors include:

  • Daily average transaction volume
  • Daily average number of trades
  • Daily average order book depth
  • Daily average tick presence

Additional consideration is also given to an exchange’s response to any security breaches and whether it has been subject to any independent audits during the review period.

Keep up to date with Brave New Coin’s latest Index News and Announcements.