{"window_days":7,"from":"2026-09-14","games_returned":4,"games_withheld_below_min_bets":7,"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 King","provider":"hacksaw","bets":1969,"observed_return":0.7419872206023063,"declared_rtp":null,"gap":null,"std_error":0.10219964111907752,"ci95":[0.5416759240089143,0.9422985171956982],"max_multiplier":107.3,"confidence":"moderate","margin":0.20031129659339195,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.8831894362620619,"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":"Le King","provider":"hacksaw","bets":1103,"observed_return":0.24403445149592018,"declared_rtp":null,"gap":null,"std_error":0.02589811018969475,"ci95":[0.19327415552411847,0.2947947474677219],"max_multiplier":18.256666666666668,"confidence":"moderate","margin":0.05076029597180171,"publishable":false,"withheld":"implausible","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-20"},"published_loss_share":0.9392565729827742,"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 King","provider":"hacksaw","bets":389,"observed_return":1.4355575064267356,"declared_rtp":null,"gap":null,"std_error":0.18089019378196128,"ci95":[1.0810127266140914,1.7901022862393798],"max_multiplier":48.5,"confidence":"low","margin":0.3545447798126441,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.6349614395886889,"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":"Shuffle","game":"Le King","provider":"unknown","bets":158,"observed_return":0.6603993670886021,"declared_rtp":null,"gap":null,"std_error":0.1179226715989578,"ci95":[0.42927093075464484,0.8915278034225594],"max_multiplier":14.5425,"confidence":"low","margin":0.2311284363339573,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.8417721518987342,"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}}]}