{"window_days":7,"from":"2026-10-26","games_returned":5,"games_withheld_below_min_bets":2,"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":"Roobet","game":"Roobet Blackjack","provider":"unknown","bets":864,"observed_return":0.9780245736703743,"declared_rtp":null,"gap":null,"std_error":0.03228339017996023,"ci95":[0.9147491289176523,1.0413000184230963],"max_multiplier":5.857142857142858,"confidence":"low","margin":0.06327544475272205,"publishable":true,"withheld":null,"diverges_from_declared":null,"window":{"from":"2026-10-26","to":"2026-11-02"},"published_loss_share":0.5208333333333334,"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":"Roobet","game":"Roobet BlackjackX 1","provider":"pragmatic play","bets":727,"observed_return":0.9550311452033556,"declared_rtp":null,"gap":null,"std_error":0.036481052423960984,"ci95":[0.8835282824523921,1.0265340079543193],"max_multiplier":8,"confidence":"low","margin":0.07150286275096353,"publishable":true,"withheld":null,"diverges_from_declared":null,"window":{"from":"2026-10-26","to":"2026-11-02"},"published_loss_share":0.4951856946354883,"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":"Roobet","game":"Roobet Blackjack 2","provider":"unknown","bets":447,"observed_return":0.981426471755817,"declared_rtp":null,"gap":null,"std_error":0.04464379670390593,"ci95":[0.8939246302161614,1.0689283132954726],"max_multiplier":5.5,"confidence":"low","margin":0.08750184153965562,"publishable":true,"withheld":null,"diverges_from_declared":null,"window":{"from":"2026-10-26","to":"2026-11-02"},"published_loss_share":0.49217002237136465,"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":"Roobet","game":"Roobet BlackjackX 2","provider":"pragmatic play","bets":170,"observed_return":1.039719887955182,"declared_rtp":null,"gap":null,"std_error":0.09698487776073288,"ci95":[0.8496295275441457,1.2298102483662186],"max_multiplier":12.6,"confidence":"low","margin":0.19009036041103644,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-10-26","to":"2026-11-02"},"published_loss_share":0.47058823529411764,"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":"Roobet","game":"Roobet BlackjackX 3","provider":"pragmatic play","bets":115,"observed_return":0.999495540691193,"declared_rtp":null,"gap":null,"std_error":0.08351470626525587,"ci95":[0.8358067164112915,1.1631843649710945],"max_multiplier":2.5000000000000004,"confidence":"low","margin":0.1636888242799015,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-10-26","to":"2026-11-02"},"published_loss_share":0.43478260869565216,"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}}]}