{"window_days":7,"from":"2026-09-14","games_returned":3,"games_withheld_below_min_bets":5,"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 Football Bonanza","provider":"pragmatic play","bets":1616,"observed_return":0.23399236798679904,"declared_rtp":null,"gap":null,"std_error":0.04307042223138857,"ci95":[0.14957434041327744,0.31841039556032064],"max_multiplier":56,"confidence":"moderate","margin":0.0844180275735216,"publishable":false,"withheld":"implausible","diverges_from_declared":null,"window":{"from":"2026-09-15","to":"2026-09-21"},"published_loss_share":0.9362623762376238,"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 Football Bonanza","provider":"pragmatic play","bets":599,"observed_return":0.6544462993878687,"declared_rtp":null,"gap":null,"std_error":0.24496498600788902,"ci95":[0.17431492681240623,1.1345776719633311],"max_multiplier":123.2,"confidence":"low","margin":0.48013137257546246,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.9365609348914858,"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 Football Bonanza","provider":"pragmatic play","bets":260,"observed_return":2.4762279615384615,"declared_rtp":null,"gap":null,"std_error":0.6264241940124198,"ci95":[1.2484365412741187,3.704019381802804],"max_multiplier":124.99999,"confidence":"low","margin":1.2277914202643427,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.6653846153846154,"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}}]}