{"window_days":7,"from":"2026-09-14","games_returned":4,"games_withheld_below_min_bets":4,"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":"Roobet","game":"Madame Destiny Megaways","provider":"pragmatic play","bets":3304,"observed_return":0.8378838996009902,"declared_rtp":null,"gap":null,"std_error":0.09039165876597466,"ci95":[0.6607162484196798,1.0150515507823006],"max_multiplier":144.6,"confidence":"moderate","margin":0.17716765118131034,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.8725786924939467,"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":"Cloudbet","game":"Madame Destiny Megaways","provider":"pragmatic play","bets":2323,"observed_return":0.422643133878606,"declared_rtp":null,"gap":null,"std_error":0.06674811860169441,"ci95":[0.291816821419285,0.553469446337927],"max_multiplier":122,"confidence":"moderate","margin":0.13082631245932105,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.9276797244941886,"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":"Madame Destiny Megaways","provider":"pragmatic play","bets":506,"observed_return":1.3923586166007906,"declared_rtp":null,"gap":null,"std_error":0.18814484170106194,"ci95":[1.0235947268667092,1.761122506334872],"max_multiplier":64,"confidence":"low","margin":0.3687638897340814,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.6778656126482213,"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":"Shuffle","game":"Madame Destiny Megaways","provider":"unknown","bets":303,"observed_return":0.662891089108911,"declared_rtp":null,"gap":null,"std_error":0.1278107772344148,"ci95":[0.412381965729458,0.913400212488364],"max_multiplier":24.52,"confidence":"low","margin":0.250509123379453,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.8844884488448845,"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}}]}