{"window_days":7,"from":"2026-09-12","games_returned":6,"games_withheld_below_min_bets":0,"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":"Le Prechaun","provider":"hacksaw","bets":14088,"observed_return":0.1965959492279991,"declared_rtp":null,"gap":null,"std_error":0.007507852452131228,"ci95":[0.1818805584218219,0.21131134003417631],"max_multiplier":27.000000000000984,"confidence":"high","margin":0.014715390806177207,"publishable":false,"withheld":"implausible","diverges_from_declared":null,"window":{"from":"2026-09-12","to":"2026-09-19"},"published_loss_share":0.9495315161839863,"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":"Le Prechaun","provider":"hacksaw","bets":10272,"observed_return":0.9116184364595935,"declared_rtp":null,"gap":null,"std_error":0.052309124704962996,"ci95":[0.809092552037866,1.014144320881321],"max_multiplier":128.8,"confidence":"high","margin":0.10252588442172747,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-12","to":"2026-09-19"},"published_loss_share":0.8937889408099688,"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":"Le Prechaun","provider":"unknown","bets":2129,"observed_return":0.9346064192891794,"declared_rtp":null,"gap":null,"std_error":0.06463897468017483,"ci95":[0.8079140289160367,1.0612988096623222],"max_multiplier":62.00000000000002,"confidence":"moderate","margin":0.12669239037314267,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-12","to":"2026-09-19"},"published_loss_share":0.7876937529356506,"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":"Le Prechaun","provider":"hacksaw","bets":438,"observed_return":1.4116762557077627,"declared_rtp":null,"gap":null,"std_error":0.19529603738613055,"ci95":[1.028896022430947,1.7944564889845784],"max_multiplier":41.53333,"confidence":"low","margin":0.3827802332768159,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-12","to":"2026-09-19"},"published_loss_share":0.7602739726027398,"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":"Stake.com","game":"Le Prechaun","provider":"hacksaw","bets":208,"observed_return":9.120913461538462,"declared_rtp":0.9628,"gap":8.158113461538463,"std_error":2.36198633667952,"ci95":[4.491420241646603,13.750406681430322],"max_multiplier":399.2,"confidence":"low","margin":4.6294932198918595,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-12","to":"2026-09-14"},"published_loss_share":0.7163461538461539,"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":"reported","gap":"derived"}},{"casino":"BC.Game","game":"Le Prechaun","provider":"hacksaw","bets":205,"observed_return":1.0034002880901225,"declared_rtp":null,"gap":null,"std_error":0.5502022738051899,"ci95":[-0.0749961685680498,2.081796744748295],"max_multiplier":108.60000000000001,"confidence":"low","margin":1.0783964566581723,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-12","to":"2026-09-19"},"published_loss_share":0.8975609756097561,"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}}]}