Price OHLC

Daily Open-High-Low-Close price data for Bitcoin — rendered as candlestick charts showing full intraday price range and direction

Property	Value
Category	Market Data
Unit	USD
Resolution	1d
Assets	BTC
Tier	Basic
API Endpoint	GET /v1/prices
Field	ohlc

Overview

Price OHLC (Open-High-Low-Close) provides the complete daily price action for Bitcoin, capturing four key price points for each trading day: the opening price, the intraday high, the intraday low, and the closing price.

Unlike a simple closing price line, OHLC data reveals the full story of each trading session — how much volatility occurred, whether buyers or sellers were in control, and where price ultimately settled. This makes it the standard representation for technical analysis.

Formula

Each daily candle contains four values derived from aggregated exchange data:

$$\text{Open} = \text{price at start of UTC day}$$ $$\text{High} = \max(\text{price during UTC day})$$ $$\text{Low} = \min(\text{price during UTC day})$$ $$\text{Close} = \text{price at end of UTC day}$$

A candle is green (bullish) when $\text{Close} \geq \text{Open}$, and red (bearish) when $\text{Close} \lt \text{Open}$.

Interpretation

Each candlestick encodes market sentiment for that day:

• Green candle (Close ≥ Open): Buyers dominated the session — price closed higher than it opened
• Red candle (Close < Open): Sellers dominated — price closed lower than it opened
• Long upper wick: Price reached a high but was rejected — selling pressure at the highs
• Long lower wick: Price dipped low but recovered — buying support at the lows
• Small body, long wicks: Indecision or high volatility with no clear directional conviction
• Large body, small wicks: Strong directional movement with little opposition

Patterns like doji (open ≈ close), hammers (long lower wick), and engulfing candles are widely used in technical analysis to identify potential reversals or continuations.

Use Cases

• Technical analysis: Identify support/resistance levels, chart patterns, and trend structure
• Volatility assessment: Wide high-low ranges indicate high-volatility sessions
• Market structure: Analyze swing highs, swing lows, and trend continuations
• Entry/exit timing: Use candlestick patterns to time entries relative to broader on-chain signals
• Overlay analysis: Combine with on-chain metrics (MVRV, Realized Price) to contextualize price action within the broader market cycle

API Usage

curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://api.blocklens.co/v1/prices?start_date=2024-01-01&end_date=2024-12-31&limit=365"

Related Metrics

• Price — BTC market price
• Price Drawdown from ATH — Percentage decline of Bitcoin price from its all-time high — always 0% or negative, measuring how far price has fallen from its peak
• Market Cap — Total market cap
• MVRV — Ratio of market value to realized value across all holders