{"window_days":7,"from":"2026-10-02","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":"Yeet","game":"Mystery Joker","provider":"play n go","bets":1486,"observed_return":0.8559892328398385,"declared_rtp":null,"gap":null,"std_error":0.09892369987329769,"ci95":[0.6620987810881751,1.049879684591502],"max_multiplier":53,"confidence":"moderate","margin":0.19389045175166347,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-10-05","to":"2026-10-09"},"published_loss_share":0.892328398384926,"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":"Mystery Joker","provider":"play n go","bets":311,"observed_return":0.7363344051446945,"declared_rtp":null,"gap":null,"std_error":0.20619883136648606,"ci95":[0.3321846956663818,1.1404841146230071],"max_multiplier":40,"confidence":"low","margin":0.4041497094783127,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-10-02","to":"2026-10-09"},"published_loss_share":0.8971061093247589,"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":"Mystery Joker","provider":"play n go","bets":152,"observed_return":0.27631578947368424,"declared_rtp":null,"gap":null,"std_error":0.09497291876954375,"ci95":[0.09016886868537849,0.46246271026199],"max_multiplier":10,"confidence":"low","margin":0.18614692078830575,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-10-03","to":"2026-10-04"},"published_loss_share":0.9210526315789473,"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}}]}