OKX Lists SPK (Spark) for Spot Trading: Key Details and Trading Rules

SPK Listing Schedule on OKX

OKX has announced the listing of SPK (Spark) for spot trading, with the following timeline:

• SPK Deposit Opens: June 16, 2025, 11:00 PM (UTC+8)
• SPK Call Auction Period: June 17, 2025, 5:00 PM – 6:00 PM (UTC+8)
• SPK/USDT Spot Trading Begins: June 17, 2025, 6:00 PM (UTC+8)
• SPK Withdrawal Opens: June 17, 2025, 8:00 PM (UTC+8)

Spot Trading Risk Control Rules

To mitigate volatility during the initial trading phase, OKX enforces the following restrictions for the first 5 minutes after trading starts:

1. Market orders are disabled.
2. Limit orders capped at $10,000 per transaction.
3. Maximum net position per user: $10,000.

These limits lift automatically after 5 minutes.

Price Limit Mechanisms

1. Closing Price-Based Limits (Before Stable Index Price)

| Phase | Buy Order Max Price | Sell Order Min Price |
|-------|---------------------|----------------------|
| First minute post-listing | Call auction price × (1 + H) | No restriction |
| Minutes 1–N (no index) | Previous minute’s close × (1 + H) | No restriction |
| After N minutes (no index) | No restriction | No restriction |

2. Index-Based Limits (After Stable Index Price)

| Phase | Buy Order Max Price | Sell Order Min Price |
|-------|---------------------|----------------------|
| First 10 minutes post-listing | Index × (1 + X) | Index × (1 – X) |
| After 10 minutes | Dynamic adjustment based on Index ± Y/Z + premium averages |

Note: Parameters (N, H, X, Y, Z) may adjust without prior notice.

👉 Explore real-time trading rules

Call Auction Process

SPK/USDT spot trading begins with a 1-hour call auction. Key features:

• Users submit limit orders at desired prices before trading starts.
• System calculates a reference opening price from aggregated orders.

Restrictions:

1. Single-user buy orders capped at $50,000 during the auction.
2. Last 5 minutes: Only limit orders allowed; no modifications/cancellations.

Note: The final opening price is provided by the project team and serves as a reference—it does not override user-submitted order prices.

FAQs

1. When can I start trading SPK on OKX?

SPK/USDT spot trading opens at 6:00 PM UTC+8 on June 17, 2025.

2. Are there trading limits for SPK initially?

Yes. For the first 5 minutes, market orders are blocked, and limit orders are capped at $10,000 per transaction.

3. How does the call auction work?

Users place limit orders during the 1-hour auction. The system calculates an opening price based on order volume and price levels.

4. Can I withdraw SPK immediately after trading starts?

Withdrawals open at 8:00 PM UTC+8 on June 17, 2025, two hours after trading begins.

5. Why does OKX impose price limits?

Limits reduce extreme volatility and protect traders during the initial liquidity phase.

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OKX remains committed to delivering secure, innovative trading experiences. Trade SPK confidently with these safeguards in place!