Daily Microstructure Brief — Friday, 29 May 2026

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ DAILY MICROSTRUCTURE BRIEF 2026-05-29 · Friday · covers prior 24h UTC · peak window 13:00-16:00 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ cryptocom→okx (ADA/USDT) overtook okx→coinbase (SOL/USD) on executability today. TOP ROUTES (by executability) 1. cryptocom→okx (ADA/USDT) Median spread 0.01% · half-life 754ms · survival @1s: 30.7% · executability 0.5% 2. cryptocom→kraken (DOT/USDT) Median spread 0.037% · half-life 1482ms · survival @1s: 71.5% · executability 0.4% 3. coinbase→okx (BTC/USD) Median spread 0.056% · half-life 1994ms · survival @500ms: 99.7% · executability 0.0% Cited data: 20236 samples across 3 routes, prior 24h UTC. SPREAD DECAY Median half-life across all routes: 1649ms. Survival @ T+1s: 81.3% of 678614 samples. Spreads > 0.40% decayed to below fee floor within 0ms median (0 samples). Half-lives tracked 7-day baselines today. BEST EXECUTION WINDOW 23:00-00:00 UTC (07:00-08:00 SGT) — 89.7% of samples survived to T+500ms above fee floor. 1.1x the 24h average. Second: 07:00-08:00 UTC — 86.4% survival. EXCHANGE BEHAVIOUR No exchange-level incidents recorded in 24h. VS YESTERDAY Samples: 678614 (+13201) Top route: cryptocom→okx (ADA/USDT) median spread 0.01% Survival @1s: 81.3% (-70bps vs yesterday) Median spread: 0.027% (+2bps 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 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━