Optimism vs Tether: Side-by-Side Comparison
Compare OP and USDT — price, market cap, volume, and performance. Updated 2026.
OP vs USDT — Key Differences
Optimism is currently ranked #142 with a market cap of $326M, while Tether sits at #3 with $184.1B. In the last 24 hours, OP moved -4.58% compared to USDT's 0.01%. OP shows lower trading volume, suggesting lighter market activity.