{"window_days":7,"from":"2026-10-25","games_returned":3,"games_withheld_below_min_bets":0,"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":"Le Vampire","provider":"hacksaw","bets":32477,"observed_return":0.9887898925275745,"declared_rtp":null,"gap":null,"std_error":0.044406974482213826,"ci95":[0.9017522225424355,1.0758275625127136],"max_multiplier":599.2,"confidence":"high","margin":0.0870376699851391,"publishable":true,"withheld":null,"diverges_from_declared":null,"window":{"from":"2026-10-25","to":"2026-11-01"},"published_loss_share":0.9078732641561721,"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":"Le Vampire","provider":"unknown","bets":4498,"observed_return":0.8598130724766548,"declared_rtp":null,"gap":null,"std_error":0.04664782171998141,"ci95":[0.7683833419054913,0.9512428030478184],"max_multiplier":124.60000000000333,"confidence":"moderate","margin":0.09142973057116356,"publishable":true,"withheld":null,"diverges_from_declared":null,"window":{"from":"2026-10-25","to":"2026-11-01"},"published_loss_share":0.8223654957759003,"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":"Winna","game":"Le Vampire","provider":"hacksaw","bets":686,"observed_return":1.8055889504373177,"declared_rtp":null,"gap":null,"std_error":0.23093175901439877,"ci95":[1.352962702769096,2.2582151981055394],"max_multiplier":99.4,"confidence":"low","margin":0.45262624766822157,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-10-25","to":"2026-11-01"},"published_loss_share":0.7215743440233237,"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}}]}