{"pair":"btc/usd","exchanges":5,"summary":[{"exchange":"binance","spread_bps":0.0127,"tob_imbalance":0.5073,"depth_imbalance":0.6992},{"exchange":"bybit","spread_bps":0.0127,"tob_imbalance":0.0585,"depth_imbalance":0.5807},{"exchange":"okx","spread_bps":0.0127,"tob_imbalance":0.5304,"depth_imbalance":-0.0887},{"exchange":"deribit","spread_bps":0.0636,"tob_imbalance":0.1546,"depth_imbalance":-0.4355},{"exchange":"hyperliquid","spread_bps":0.1273,"tob_imbalance":0.9507,"depth_imbalance":0.4216}],"preview":true,"note":"Preview — spread and imbalance only, Ed25519 signed","canonical":"v1|ORDERBOOK-PREVIEW|btc/usd|5|depth_imbalance=0.6992;exchange=binance;spread_bps=0.0127;tob_imbalance=0.5073;depth_imbalance=0.5807;exchange=bybit;spread_bps=0.0127;tob_imbalance=0.0585;depth_imbalance=-0.0887;exchange=okx;spread_bps=0.0127;tob_imbalance=0.5304;depth_imbalance=-0.4355;exchange=deribit;spread_bps=0.0636;tob_imbalance=0.1546;depth_imbalance=0.4216;exchange=hyperliquid;spread_bps=0.1273;tob_imbalance=0.9507","signature":"552d01ed0b612c6a7975899b3d2646b080aa6d8ab3c5c78a0e2972f3522742ea734217e3b78ebe9d5bbfb003cc0e52241b8816343df80aeb20d91f22c874f304","digest":"844587f40261ac2589586ec8797f9f113a42046e27ffde358fbed983d9838b26","pubkey":"7ab07fbe7d08cd16823e5eb0db0e21f3f38e9366d5fd00d14e95df0fb9b51a1a","signed":true,"preview_cached":true,"cache_age_minutes":40}