Daily Microstructure Brief — Tuesday, 16 June 2026

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ DAILY MICROSTRUCTURE BRIEF 2026-06-16 · Tuesday · covers prior 24h UTC · peak window 13:00-16:00 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ New #1 route by executability: okx→cryptocom (ADA/USD). kraken→okx (DOT/USDT) moved down. TOP ROUTES (by executability) 1. okx→cryptocom (ADA/USD) Median spread 0.014% · half-life 751ms · survival @1s: 32.9% · executability 0.4% 2. okx→cryptocom (ADA/USDT) Median spread 0.016% · half-life 792ms · survival @1s: 35.2% · executability 0.4% 3. okx→cryptocom (LINK/USDT) Median spread 0.014% · half-life 689ms · survival @500ms: 32.5% · executability 0.3% Cited data: 793 samples across 3 routes, prior 24h UTC. SPREAD DECAY Median half-life across all routes: 1469ms. Survival @ T+1s: 72.3% of 462270 samples. Spreads > 0.40% decayed to below fee floor within 2000ms median (1 samples). Half-lives tracked 7-day baselines today. BEST EXECUTION WINDOW 06:00-07:00 UTC (14:00-15:00 SGT) — 80.3% of samples survived to T+500ms above fee floor. 1.1x the 24h average. Second: 05:00-06:00 UTC — 79.8% survival. EXCHANGE BEHAVIOUR No exchange state transitions across the 24-hour window. VS YESTERDAY Samples: 462270 (-23880) Top route: okx→cryptocom (ADA/USD) median spread 0.014% Survival @1s: 72.3% (-880bps vs yesterday) Median spread: 0.017% (+1bps 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 ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━