{"product":"coil-engine-record","board_computed_at":"2026-07-29T13:29:49","perf":{"as_of":"2026-07-29","benchmark_basis":"settled:2026-07-29","benchmarks":["SPY","QQQ"],"windows":{"since_inception":{"label":"Since inception","start":"2026-07-08","sessions":15,"engine_return_pct":-0.78,"spy_return_pct":-2.14,"qqq_return_pct":-6.99,"vs_spy_pp":1.36,"vs_qqq_pp":6.21}},"headline":{"window":"since_inception","engine_return_pct":-0.78,"spy_return_pct":-2.14,"qqq_return_pct":-6.99,"vs_spy_pp":1.36,"vs_qqq_pp":6.21},"summary":"Engine -0.8% since 07-08: beat the Nasdaq-100 (QQQ -7.0%) by 6.2pp, rotating defensive in a tech-led selloff; beats the S&P 500 (-2.1%) by 1.4pp.","note":"Thin sample (15 sessions since 07-08). Engine-only and funding-adjusted; the v4 ledger reconciles 1:1 to the brokerage account and excludes manual trades (there are none). Percentages describe realized structure, not future returns.","series":[{"date":"2026-07-08","engine_pct":0,"spy_pct":0,"qqq_pct":0},{"date":"2026-07-10","engine_pct":null,"spy_pct":1.28,"qqq_pct":1.98},{"date":"2026-07-13","engine_pct":0.47,"spy_pct":0.51,"qqq_pct":0.04},{"date":"2026-07-14","engine_pct":0.61,"spy_pct":0.86,"qqq_pct":1.16},{"date":"2026-07-15","engine_pct":0.56,"spy_pct":1.26,"qqq_pct":0.89},{"date":"2026-07-16","engine_pct":-0.07,"spy_pct":0.71,"qqq_pct":-0.77},{"date":"2026-07-17","engine_pct":-0.8,"spy_pct":-0.28,"qqq_pct":-2.26},{"date":"2026-07-20","engine_pct":-1.15,"spy_pct":-0.44,"qqq_pct":-2.16},{"date":"2026-07-21","engine_pct":-1.04,"spy_pct":0.39,"qqq_pct":-0.35},{"date":"2026-07-22","engine_pct":-1.14,"spy_pct":0.27,"qqq_pct":-0.86},{"date":"2026-07-23","engine_pct":-1.17,"spy_pct":-0.97,"qqq_pct":-2.74},{"date":"2026-07-24","engine_pct":-1.17,"spy_pct":-0.87,"qqq_pct":-3.82},{"date":"2026-07-27","engine_pct":-1.1,"spy_pct":-0.85,"qqq_pct":-4.12},{"date":"2026-07-28","engine_pct":-0.9,"spy_pct":-0.61,"qqq_pct":-5.05},{"date":"2026-07-29","engine_pct":-0.78,"spy_pct":-2.14,"qqq_pct":-6.99}]},"benchmarks":["SPY","QQQ"],"method":"Engine-only and funding-adjusted since the 2026-07-08 re-anchor. Deposits and withdrawals are stripped so the line measures trading, never transfers. A return the book could not have produced in one session is refused rather than published.","proof":"https://coil.trade/api/board/proof","disclaimer":"Past performance does not predict future results. Percentages describe realized structure over a thin sample. Research publication, not investment advice."}