{"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 Splash 1000","provider":"pragmatic play","bets":4969,"observed_return":0.29231233648621474,"declared_rtp":null,"gap":null,"std_error":0.0460805094898139,"ci95":[0.2019945378861795,0.38263013508625],"max_multiplier":200.50000000000074,"confidence":"moderate","margin":0.09031779860003525,"publishable":false,"withheld":"implausible","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.9303682833568122,"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 Splash 1000","provider":"pragmatic play","bets":1413,"observed_return":0.8214561364866155,"declared_rtp":null,"gap":null,"std_error":0.19105956377717528,"ci95":[0.446979391483352,1.195932881489879],"max_multiplier":140,"confidence":"moderate","margin":0.37447674500326356,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.9193205944798302,"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 Splash 1000","provider":"unknown","bets":322,"observed_return":0.8915000000000005,"declared_rtp":null,"gap":null,"std_error":0.36858950948401503,"ci95":[0.16906456141133108,1.61393543858867],"max_multiplier":90.0000000000003,"confidence":"low","margin":0.7224354385886694,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.8975155279503105,"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 Splash 1000","provider":"pragmatic play","bets":103,"observed_return":1.8341291262135921,"declared_rtp":null,"gap":null,"std_error":0.3690020936948912,"ci95":[1.1108850225716056,2.5573732298555787],"max_multiplier":25.00001,"confidence":"low","margin":0.7232441036419867,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.5436893203883495,"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}}]}