{"delta_7d":null,"gated":true,"iso":"MISO","market_name":"Detroit","market_slug":"detroit","ok":true,"rank_score":15.6,"state":"MI","tier":"anonymous","upgrade":{"label":"Sign up free for full breakdown + 30d history","url":"/signup?next=/pockets/detroit&utm_source=pocket_detail"},"verdict":"CAUTION","why":"adequate excess capacity (56)"}