Index Component and Weight Updates: Enhancing Stability and Market Accuracy

In a strategic move to improve index reliability and better reflect current market dynamics, OKX will implement adjustments to select index components and their corresponding weights. These changes are scheduled for June 10, 2025, from 18:00 to 20:00 (UTC+8). The updated indices will be calculated using the new composition and revised weighting methodology, ensuring more accurate price representation across supported assets.

This update is part of an ongoing effort to strengthen data integrity, reduce volatility caused by imbalanced weight distribution, and enhance overall market risk management. By refining the index structure, OKX aims to provide traders, analysts, and investors with a more robust benchmark for decision-making in fast-moving crypto markets.

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Overview of Index Adjustments

The upcoming changes primarily involve two key aspects:

• Weight reallocation across existing exchanges for specific trading pairs
• Removal of Bitfinex as a contributing exchange from several indices due to evolving liquidity and reliability metrics

These modifications apply to the following indices:

• BETH-USDT
• ETH-USDT
• IOTA-USD
• ZRX-USD

Each index will now place greater emphasis on exchanges demonstrating consistent volume, tight spreads, and high data reliability—criteria essential for maintaining index stability.

Detailed Breakdown by Index

BETH-USDT Index Adjustment

The BETH-USDT index will see a redistribution of weights among five major exchanges. Notably, Bitfinex will be removed, streamlining the index to focus on platforms with superior market depth.

This shift increases representation from top-tier platforms, improving resistance to short-term anomalies.

ETH-USDT Index Update

Mirroring the BETH-USDT changes, the ETH-USDT index also removes Bitfinex and rebalances weightings:

With equal weighting now assigned to Binance and OKX, the index gains stronger alignment with dominant market pricing.

IOTA-USD Index Enhancement

The IOTA-USD index reduces input sources from four to three exchanges, eliminating Bitfinex while boosting shares for the remaining contributors:

This consolidation enhances responsiveness to mainstream market movements and reduces noise from lower-volume platforms.

ZRX-USD Index Refinement

For the ZRX-USD index, the update includes both weight increases and structural simplification:

Coinbase maintains its role as a USD-priced source, adding fiat-market relevance to the index calculation.

How Index Prices Are Calculated

Index values are derived through a weighted average formula, where each valid component price contributes proportionally based on its assigned weight.

Formula:
Index Price = Σ (Price_i × Weight_i)
Where i represents each active exchange-component pair.

Only prices from active, liquid markets are included. Data feeds undergo real-time validation to filter outliers or delayed updates, ensuring accuracy during volatile conditions.

Adjustments like these help maintain index integrity, especially during periods of rapid price swings or exchange-specific disruptions.

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Why These Changes Matter

Improved Market Representation

By increasing weights for high-liquidity exchanges such as OKX, Binance, and Bybit, the revised indices better reflect where most trading activity occurs. This reduces distortions that could arise from including less active markets.

Risk Mitigation

Removing Bitfinex from multiple indices aligns with risk control objectives. While Bitfinex remains a recognized platform, recent performance metrics—including latency and volume consistency—no longer meet the threshold for inclusion in core benchmark indices.

Transparency and Predictability

Regular reviews and scheduled updates ensure users can anticipate changes and adjust strategies accordingly. All adjustments are announced in advance, allowing ample time for system integrations and analytical recalibrations.

Core Keywords Identified

To align with search intent and improve discoverability, the following keywords have been naturally integrated throughout this article:

• index component adjustment
• crypto index weighting
• ETH-USDT index
• BETH-USDT index
• IOTA-USD index
• ZRX-USD index
• market risk management
• weighted average index calculation

These terms reflect common queries from traders and developers relying on accurate benchmark data.

Frequently Asked Questions (FAQ)

What is the purpose of adjusting index components?

Adjustments ensure that indices remain representative of current market conditions by emphasizing exchanges with strong liquidity and reliable data feeds. This improves accuracy and reduces vulnerability to manipulation or technical issues on individual platforms.

Why was Bitfinex removed from certain indices?

Bitfinex was excluded due to declining relative liquidity and inconsistent data reporting compared to other top exchanges. The goal is to maintain high-quality inputs that reflect true market prices.

Will these changes affect my open positions?

No—these updates only impact the underlying index calculation and do not directly alter futures, perpetuals, or spot trading mechanics. However, minor variations in funding rates or mark prices may occur due to revised index values.

How often are index components reviewed?

Index compositions are evaluated regularly, typically quarterly, with adjustments made as needed based on liquidity, trading volume, and data reliability metrics.

Can I access historical index data after the change?

Yes. Historical data remains available for analysis, though pre- and post-adjustment periods should be analyzed separately due to methodological differences.

Where can I find real-time index values?

Real-time index prices are displayed on the OKX trading platform under each relevant derivative contract or via API endpoints designed for developers and algorithmic traders.

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Final Thoughts

These updates underscore OKX’s commitment to delivering precise, transparent, and resilient financial benchmarks in the digital asset space. As cryptocurrency markets mature, reliable indices become increasingly vital—for pricing derivatives, managing portfolios, and building decentralized applications.

By continuously refining its methodology, OKX ensures users benefit from cutting-edge infrastructure designed for performance, security, and long-term trust.

Stay informed about future updates through official announcements and continue leveraging accurate market data to make confident trading decisions.