Daily Microstructure Brief — Friday, 24 April 2026

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ DAILY MICROSTRUCTURE BRIEF 2026-04-24 · Friday · covers prior 24h UTC · peak window 13:00-16:00 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Longest seven-day executability: coinbase→okx (DOGE/USDT). TOP ROUTES (by executability) 1. coinbase→okx (DOGE/USDT) Median spread 0.02% · half-life 775ms · survival @1s: 35.7% · executability 7.1% 2. okx→coinbase (LINK/USDT) Median spread 0.026% · half-life 1180ms · survival @1s: 55.6% · executability 3.7% 3. cryptocom→coinbase (LTC/USD) Median spread 0.022% · half-life 860ms · survival @500ms: 43.8% · executability 3.1% Cited data: 73 samples across 3 routes, prior 24h UTC. SPREAD DECAY Median half-life across all routes: 1452ms. Survival @ T+1s: 71.4% of 464212 samples. Spreads > 0.40% decayed to below fee floor within 2000ms median (2 samples). No material deviation from 7-day decay baselines. BEST EXECUTION WINDOW 21:00-22:00 UTC (05:00-06:00 SGT) — 83.2% of samples survived to T+500ms above fee floor. 1.2x the 24h average. Second: 23:00-00:00 UTC — 80.4% survival. EXCHANGE BEHAVIOUR No exchange-level incidents recorded in 24h. VS YESTERDAY Samples: 464212 (+344215) Top route: coinbase→okx (DOGE/USDT) median spread 0.02% Survival @1s: 71.4% (+210bps vs yesterday) Median spread: 0.014% (+3bps 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 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━