{"window_days":7,"from":"2026-09-14","games_returned":4,"games_withheld_below_min_bets":3,"min_bets":100,"method":{"estimator":"mean payout multiplier, currency independent","interval":"95%, mean plus or minus 1.96 standard errors","source":"each casino's own public bet feed, captured by us","sampling":"the feeds are rolling windows the operators publish; this is a sample of their flow, not the whole of it, and the selection rule is not visible to us","declared_rtp":"only Stake.com publishes a house edge, so declared_rtp and gap are null for other operators","selection_bias":"the feeds are the operators' own marketing surfaces and the selection leans toward winning rounds, so observed_return is UNCORRECTED and biased upward by an unknown amount that differs per operator. feed_bias reports 'curated' where an observed return above 100% proves the feed is incomplete, since no game returns more than it takes over the long run."},"confidence_levels":{"high":">=10000 bets","moderate":">=1000","low":">=100","insufficient":"<100"},"publishable":["low","moderate","high"],"source_kinds":{"observed":"Counted directly from the operator's public feed.","derived":"Computed from observed data through a documented method.","reported":"Published by the operator. We repeat it, we do not verify it.","estimate":"Model output carrying assumptions. Always a range."},"games":[{"casino":"Winna","game":"Brick House Bonanza","provider":"pragmatic play","bets":2596,"observed_return":2.756021683359014,"declared_rtp":null,"gap":null,"std_error":0.23117509564841127,"ci95":[2.302918495888128,3.2091248708299],"max_multiplier":294.99992,"confidence":"moderate","margin":0.45310318747088607,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.6290446841294299,"feed_bias":"curated","observed_return_note":"This feed publishes more wins than it publishes losses, proven by an observed return above 100%. Read it as a floor on the operator's curation, not as the game's return.","source":{"bets":"observed","observed_return":"derived","declared_rtp":null,"gap":null}},{"casino":"Roobet","game":"Brick House Bonanza","provider":"pragmatic play","bets":1763,"observed_return":1.0024439619560401,"declared_rtp":null,"gap":null,"std_error":0.16267646633926724,"ci95":[0.6835980879310763,1.321289835981004],"max_multiplier":108,"confidence":"moderate","margin":0.3188458740249638,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.921724333522405,"feed_bias":"unknown","observed_return_note":"Uncorrected for feed selection. The operator chooses which rounds to publish.","source":{"bets":"observed","observed_return":"derived","declared_rtp":null,"gap":null}},{"casino":"Cloudbet","game":"Brick House Bonanza","provider":"pragmatic play","bets":1644,"observed_return":0.37515206812652047,"declared_rtp":null,"gap":null,"std_error":0.07447781429777255,"ci95":[0.2291755521028863,0.5211285841501546],"max_multiplier":108.00000000000003,"confidence":"moderate","margin":0.14597651602363418,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.9416058394160584,"feed_bias":"unknown","observed_return_note":"Uncorrected for feed selection. The operator chooses which rounds to publish.","source":{"bets":"observed","observed_return":"derived","declared_rtp":null,"gap":null}},{"casino":"Shuffle","game":"Brick House Bonanza","provider":"unknown","bets":253,"observed_return":0.7043428853754887,"declared_rtp":null,"gap":null,"std_error":0.1616849906002858,"ci95":[0.3874403037989286,1.021245466952049],"max_multiplier":29.5965,"confidence":"low","margin":0.31690258157656015,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.8695652173913043,"feed_bias":"unknown","observed_return_note":"Uncorrected for feed selection. The operator chooses which rounds to publish.","source":{"bets":"observed","observed_return":"derived","declared_rtp":null,"gap":null}}]}