{"window_days":7,"from":"2026-09-14","games_returned":3,"games_withheld_below_min_bets":13,"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":"Goal","provider":"internal house games","bets":5127,"observed_return":3.831230868207529,"declared_rtp":null,"gap":null,"std_error":0.3361024617139082,"ci95":[3.172470043248269,4.48999169316679],"max_multiplier":1600,"confidence":"moderate","margin":0.65876082495926,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.5917690657304466,"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":"Cloudbet","game":"Goal Mines","provider":"spribe","bets":1087,"observed_return":0.5497832692554041,"declared_rtp":null,"gap":null,"std_error":0.03490138097226512,"ci95":[0.48137656254976446,0.6181899759610437],"max_multiplier":7.26675,"confidence":"moderate","margin":0.06840670670563963,"publishable":false,"withheld":"implausible","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-20"},"published_loss_share":0.7736890524379025,"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":"Goal Bonanza","provider":"hub88","bets":177,"observed_return":1.1994350282485875,"declared_rtp":null,"gap":null,"std_error":0.4887874238967386,"ci95":[0.2414116774109798,2.1574583790861954],"max_multiplier":80.99999999999999,"confidence":"low","margin":0.9580233508376077,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-20"},"published_loss_share":0.8418079096045198,"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}}]}