{"product":"coil-board-state","state_hash":"757f8174ddca1b10","books":{"spx":"c3c4f47887b3e2ff","qqq":"810797f1b5f48f44","macro":"5dfc473477ae1c74","crypto":"8806cb793f3355a5"},"day_hash":"7eae083052b9bba1","asof_daily":"2026-10-30","session":{"asof_daily":"2026-10-30","settled_session":"2026-10-30","basis":"settled","note":"Session closed: asof_daily is settled — these closes are final."},"freshness":{"market_open":false,"data_age_seconds":10327,"next_refresh_at":"2026-11-02T13:30:00.000Z","poll_hint":"Market closed — this board will NOT change until the next US session. Do not re-buy before next_refresh_at."},"how_to_use":"Free and unlimited. Store the hash for the book you trade (books.spx for the S&P 500, books.qqq for the Nasdaq-100), day_hash if you trade the intraday state map, or pass ?syms=NVDA,AMD for per-name hashes of just your watchlist. Buy a paid read only when YOUR hash changes; unchanged means that slice is MATERIALLY unchanged (prices and %-moves still tick; movers/leaders/topvol re-rank on price and are outside these hashes). If-None-Match gives a 304 on state_hash. NOTE day_hash is a SEPARATE axis and moves far more often than state_hash — the day map turns over intraday while regime and ladder hold for hours, so polling state_hash alone will NOT tell you the day board moved.","what_it_covers":"Per book: regime mode, permission ladder rung, and the firing/ready candidate set. Per symbol: entry state, opportunity score, leadership flag. day_hash: every day-board row's lights letters, entry window, late (ext) flag and which level is overhead — states, not the ticking numbers. Never the publish timestamp — the board republishes every few minutes without the state meaningfully changing.","buy_when_it_moves":{"what_actually_changed":"https://coil.trade/api/board/diff?since=757f8174ddca1b10 ($0.01) — pass the hash you PREVIOUSLY stored (not this one) and get the deltas themselves: who entered/left the READY pool, per-name flips, regime and ladder moves. Calling it with an unchanged hash is answered free and never billed.","cheapest_answer":"https://coil.trade/api/crypto/gate ($0.001)","regime":"https://coil.trade/api/board/regime ($0.005)","one_or_more_names":"https://coil.trade/api/board/name?sym=NVDA,AMD ($0.005, up to 10)","everything_at_once":"https://coil.trade/api/board/brief ($0.05)","intraday_day_map":"https://coil.trade/api/board/day ($0.01) — watch day_hash, not state_hash"},"free_alternatives":"https://coil.trade/api/board/free (delayed board) · https://mcp.coil.trade/mcp (MCP)"}