{"window_days":7,"from":"2026-09-14","games_returned":3,"games_withheld_below_min_bets":1,"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":"Piggy Bankroll: Vault Smash","provider":"hub88","bets":753,"observed_return":2.199800796812749,"declared_rtp":null,"gap":null,"std_error":0.7700246864133624,"ci95":[0.6905524114425585,3.709049182182939],"max_multiplier":403.5,"confidence":"low","margin":1.5092483853701903,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.8818061088977424,"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":"BC.Game","game":"Piggy Bankroll: Vault Smash","provider":"penguin king","bets":167,"observed_return":0.8260479367116014,"declared_rtp":null,"gap":null,"std_error":0.3924700711863498,"ci95":[0.05680659718635572,1.595289276236847],"max_multiplier":61.4500024815806,"confidence":"low","margin":0.7692413395252456,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.8622754491017964,"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":"Piggy Bankroll: Vault Smash","provider":"unknown","bets":103,"observed_return":3.7184466019417477,"declared_rtp":null,"gap":null,"std_error":2.442143320463916,"ci95":[-1.068154306167528,8.505047510051023],"max_multiplier":212.40000000000003,"confidence":"low","margin":4.786600908109276,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.8543689320388349,"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}}]}