Daily Microstructure Brief — Sunday, 10 May 2026

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ DAILY MICROSTRUCTURE BRIEF 2026-05-10 · Sunday · covers prior 24h UTC · peak window 13:00-16:00 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ coinbase→okx (BTC/USD) overtook coinbase→okx (DOT/USDT) on executability today. TOP ROUTES (by executability) 1. coinbase→okx (BTC/USD) Median spread 0.016% · half-life 1946ms · survival @1s: 97.2% · executability 0.0% 2. coinbase→cryptocom (BTC/USD) Median spread 0.01% · half-life 1878ms · survival @1s: 93.5% · executability 0.0% 3. cryptocom→okx (BTC/USD) Median spread 0.01% · half-life 1858ms · survival @500ms: 92.4% · executability 0.0% Cited data: 127586 samples across 3 routes, prior 24h UTC. SPREAD DECAY Median half-life across all routes: 1641ms. Survival @ T+1s: 81.0% of 633632 samples. Spreads > 0.40% decayed to below fee floor within 0ms median (0 samples). No material deviation from 7-day decay baselines. BEST EXECUTION WINDOW 11:00-12:00 UTC (19:00-20:00 SGT) — 88.3% of samples survived to T+500ms above fee floor. 1.1x the 24h average. Second: 20:00-21:00 UTC — 88.3% survival. EXCHANGE BEHAVIOUR No exchange-level incidents recorded in 24h. VS YESTERDAY Samples: 633632 (+554200) Top route: coinbase→okx (BTC/USD) median spread 0.016% Survival @1s: 81.0% (+390bps vs yesterday) Median spread: 0.01% (-20bps vs yesterday) CONSTRAINTS ON THIS DATA Spread persistence varies materially by route and hour of day. High-spread events (>0.40%) decay faster than the median. Results describe the prior 24h only — not predictive. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Bot activity — not financial advice. Every signal blockchain-verified: proofsystems.ai/signals Full archive: proofsystems.ai/brief ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━