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821M USD
Volume
132M USD
Circulating Supply
1.77B
36% from all time low
947% to all time high
760% from all time low
482% to all time high
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Circulating Supply
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Optimism to Launch Superchain Upgrade 16a on October 2

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Optimism deploys Superchain Upgrade 16a on Oct 2 on Superchain Mainnet, subject to governance approval. The upgrade is designed to improve network stability and flexibility, completing the transition from U16.

Event date: October 2, 2025 UTC
Optimism
@optimismFND
Pending governance approval, Superchain Upgrade 16a will be proposed for execution soon:

📍 sep 22 → Superchain Sepolia
📍 Oct 2 → Superchain Mainnet

This is a maintenance upgrade replacing U16 with a safer, more flexible approach.

Let’s unpack what’s changing (and what’s
OP Price Changes After Event Publication
0.15%
1 day
40.85%
Now (Added 29 days ago)
The event is about to begin
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Added by Alika
Sep 21 20:50 (UTC)
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