{"window_days":7,"from":"2026-09-14","games_returned":4,"games_withheld_below_min_bets":3,"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":"Cloudbet","game":"Big Bass Floats my Boat","provider":"pragmatic play","bets":2793,"observed_return":0.22565938656164522,"declared_rtp":null,"gap":null,"std_error":0.02297409562733868,"ci95":[0.1806301591320614,0.270688613991229],"max_multiplier":21.7,"confidence":"moderate","margin":0.04502922742958381,"publishable":false,"withheld":"implausible","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-20"},"published_loss_share":0.9434300035803795,"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":"Big Bass Floats my Boat","provider":"pragmatic play","bets":1789,"observed_return":1.2149489432766118,"declared_rtp":null,"gap":null,"std_error":0.570495742601717,"ci95":[0.09677728777724659,2.3331205987759773],"max_multiplier":965.1999999999999,"confidence":"moderate","margin":1.1181716554993653,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.9239798770262717,"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":"Big Bass Floats My Boat","provider":"pragmatic play","bets":114,"observed_return":4.581293771929825,"declared_rtp":null,"gap":null,"std_error":1.2218844089041814,"ci95":[2.186400330477629,6.97618721338202],"max_multiplier":82.2,"confidence":"low","margin":2.3948934414521954,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.5087719298245614,"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":"BC.Game","game":"Big Bass Floats My Boat","provider":"pragmatic play","bets":105,"observed_return":0.3311475663857606,"declared_rtp":null,"gap":null,"std_error":0.17778357562560954,"ci95":[-0.017308241840434113,0.6796033746119553],"max_multiplier":13.600000093866669,"confidence":"low","margin":0.3484558082261947,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.9428571428571428,"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}}]}