{"window_days":7,"from":"2026-09-09","games_returned":3,"games_withheld_below_min_bets":16,"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":"Shuffle","game":"Speed Roulette","provider":"unknown","bets":282,"observed_return":0.9671104009568948,"declared_rtp":null,"gap":null,"std_error":0.06091060537295469,"ci95":[0.8477256144259037,1.086495187487886],"max_multiplier":6.534246575342467,"confidence":"low","margin":0.11938478653099119,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-09","to":"2026-09-15"},"published_loss_share":0.475177304964539,"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":"Shuffle Speed Roulette","provider":"unknown","bets":274,"observed_return":1.002952595113825,"declared_rtp":null,"gap":null,"std_error":0.0886961268079238,"ci95":[0.8291081865702943,1.1767970036573556],"max_multiplier":13.015384615384615,"confidence":"low","margin":0.17384440854353064,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-09","to":"2026-09-15"},"published_loss_share":0.49635036496350365,"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":"Stake.com","game":"Speed Roulette","provider":"evolution","bets":100,"observed_return":1.22403972,"declared_rtp":0.973,"gap":0.25103971999999997,"std_error":0.16968433504436295,"ci95":[0.8914584233130486,1.5566210166869512],"max_multiplier":11.368421,"confidence":"low","margin":0.33258129668695136,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-09","to":"2026-09-14"},"published_loss_share":0.5,"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":"reported","gap":"derived"}}]}