{"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 Halloween 3","provider":"pragmatic play","bets":4904,"observed_return":0.28115728656878747,"declared_rtp":null,"gap":null,"std_error":0.026761110391284683,"ci95":[0.2287055102018695,0.33360906293570547],"max_multiplier":50,"confidence":"moderate","margin":0.05245177636691798,"publishable":false,"withheld":"implausible","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.9380097879282219,"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 Halloween 3","provider":"pragmatic play","bets":1117,"observed_return":0.7974523234090624,"declared_rtp":null,"gap":null,"std_error":0.22181602502341538,"ci95":[0.3626929143631682,1.2322117324549566],"max_multiplier":138.53333333333333,"confidence":"moderate","margin":0.43475940904589416,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.927484333034915,"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":"Big Bass Halloween 3","provider":"unknown","bets":659,"observed_return":0.7392518968133537,"declared_rtp":null,"gap":null,"std_error":0.21880504330346182,"ci95":[0.3103940119385685,1.168109781688139],"max_multiplier":98.93333333333334,"confidence":"low","margin":0.42885788487478516,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.9332321699544764,"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 Halloween 3","provider":"pragmatic play","bets":124,"observed_return":2.2734179032258064,"declared_rtp":null,"gap":null,"std_error":0.629700224797157,"ci95":[1.0392054626233787,3.507630343828234],"max_multiplier":59.66667,"confidence":"low","margin":1.2342124406024277,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.6290322580645161,"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}}]}