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Metrics library

Each dataset on real BTC data. For fields and code, see the Data Catalog.

Shown: an illustrative order book over time, bids below the mid and asks above it.

Order flow

About order flow

Flow

Taker buys against sells, by size, with toxicity

Net taker flow moved with BTC's price in the same hour (correlation 0.72) and said almost nothing about the next hour (0.02).

36 fields · Pro

Impact

Kyle's lambda, Amihud, and what size costs

A BTC of taker flow moved the price 1.5× as much at 00:00 UTC as at 11:00.

5 fields · ProBTC now 2.09e-7

Slippage

What taker trades paid against the quote

BTC's p95 slippage was 4.3× higher on its busiest bars than on its quietest.

10 fields · ProBTC now -0.014 bps

Trade size

Small, medium and large trades, and the tails

On BTC, 36% of trades are $1,000 or more, and they carry 97% of the notional.

24 fields · ProBTC now 91.1%

Trade run structure

How long buyers and sellers keep at it

BTC bars where trades rarely changed side moved 2.8× as far as bars where they flipped often.

7 fields · Pro

Up / down ticks

Trades that moved the price up, down, or not

65% of BTC trades printed at the same price as the trade before.

14 fields · Pro

Returns & volatility

Realized vol, jumps and trendiness

BTC's hourly volatility correlated 0.39 with the hour before. Its hourly return correlated -0.02.

6 fields · ProBTC now 0.0748%

Price range & distribution

High-low range and the shape inside the bar

A BTC 5-minute bar ranged 1.5× as far on a weekday as at the weekend.

10 fields · ProBTC now 24.4 bps

L1 & L2 order book

About the order book

L1 liquidity

Spread and dollars at the touch

BTC's spread on Binance was one tick in 99.5% of May's bars. Depth at the touch was 1.5× as large at 10:00 UTC as at 21:00.

14 fields · PrimeBTC now $1.1M

L1 imbalance

Bid against ask size at the touch

BTC's top-of-book imbalance correlated 0.38 with the move in its own bar and 0.002 with the next.

10 fields · Prime

L1 price

Best bid and ask, mid and microprice

The microprice got the direction of BTC's next 5-minute move right 52.3% of the time.

12 fields · Pro

L2 order book liquidity

Size resting 5 to 25 levels deep

74% of the BTC within 25 levels of Binance's book sat at the best bid and ask.

16 fields · PrimeBTC now $1.1M

L2 order book imbalance

Bid against ask size, 5 to 25 levels deep

On BTC, deeper imbalance tracked the bar less, not more: 0.37 at 5 levels, 0.33 at 25.

24 fields · PrimeBTC now -0.088

Derivatives

About derivatives

Funding

What longs pay shorts, every perp

BTC funding on Binance was positive 90% of May, with a high of 0.0100% per 8 hours.

3 fields · ProBTC now +0.0100%

Basis

Perp price against its index, in bps

BTC's mark price on Binance sat below its index in 99.9% of May's 5-minute bars.

8 fields · ProBTC now -2.98 bps

Open interest

Contracts held open, and how fast it changes

BTC open interest on Binance rose 15.8% in May, yet its hours split almost evenly four ways.

4 fields · Pro

Derivative price

Last, mark and index, and how far apart

BTC's last price closed a median 0.097 bps from its mark in May. On the widest bar the gap was 12.7 bps.

9 fields · Pro

VWAP / TWAP

Size-weighted and plain average trade price

On BTC's busiest bars, VWAP sat 4.9× further from TWAP than on its quietest.

2 fields · Pro

Candlesticks

Candles and volume, built from every trade

A median 5-minute bar of BTC traded 3.9× as much at 14:00 UTC as at 21:00.

6 fields · ProBTC now 76,175.2

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Built from hundreds of terabytes of raw data and distilled into point-in-time metrics you can pull as parquet files. Plus the raw trades, quotes and derivatives data behind them.

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Shown: minute closes of 847 perpetuals, 20:30–22:30 UTC on 10 Oct 2025, IOTX in orange · built with ohlcv 1m