When trading crypto assets, tracking price movements is crucial for making informed decisions. Most platforms display a "24-hour change" metric (sometimes labeled as "price change" or similar) to help users quickly assess market trends.
This guide explains how price changes are calculated and why they vary across platforms.
Understanding Calculation Standards
Before interpreting price changes, check the platform's calculation method. Rules differ:
- OKEx: Uses the last 24-hour rolling window.
- Huobi: Measures from Beijing time 00:00 (midnight).
- Other Platforms: May adopt different benchmarks (e.g., UTC midnight).
The 24-hour rolling method is widely adopted because:
✔️ Reflects real-time volatility.
✔️ Avoids timezone bias for global users.
How Price Change Is Calculated
Method 1: 24-Hour Rolling Window
Formula: (Current Price − Price 24 Hours Ago) ÷ Price 24 Hours Ago × 100%
Example:
- ETH at 11:00 today: $387.13
- ETH at 11:00 yesterday: $380.09
- Change:
(387.13 − 380.09) ÷ 380.09 × 100% = **+1.85%**
Method 2: Fixed Time (e.g., Midnight)
Formula: (Current Price − Midnight Price) ÷ Midnight Price × 100%
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Key Takeaways
- Discrepancies in metrics arise from calculation standards and price variations across exchanges.
- Always verify the platform’s methodology to contextualize data.
FAQ
Q: Why do price changes differ between CoinMarketCap and my exchange?
A: Aggregators average prices from multiple exchanges, while exchanges use their own order books.
Q: Can negative changes indicate buying opportunities?
A: Not always. Analyze volume and market sentiment alongside percentages.
Q: Which timeframes matter besides 24-hour change?
A: Hourly (short-term trades) and weekly/monthly (long-term trends) are also valuable.
For deeper insights, combine price changes with:
- Trading Volume: Confirms trend strength.
- Liquidity: Impacts slippage during trades.
- Market Cap: Contextualizes asset size.
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Metrics clarity empowers smarter decisions. Always cross-check data sources!
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