{"window_days":7,"from":"2026-10-16","games_returned":5,"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":"Roobet","game":"Big Bass Halloween Splash 1000","provider":"pragmatic play","bets":18718,"observed_return":1.0311517822443637,"declared_rtp":null,"gap":null,"std_error":0.0763903446928867,"ci95":[0.8814267066463057,1.1808768578424216],"max_multiplier":540.1333333333333,"confidence":"high","margin":0.14972507559805795,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-10-16","to":"2026-10-23"},"published_loss_share":0.9221604872315419,"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":"Yeet","game":"Big Bass Halloween Splash 1000","provider":"pragmatic play","bets":4493,"observed_return":0.9732449858737869,"declared_rtp":null,"gap":null,"std_error":0.11560001304775078,"ci95":[0.7466689603001955,1.1998210114473784],"max_multiplier":195.26666666666665,"confidence":"moderate","margin":0.22657602557359152,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-10-16","to":"2026-10-21"},"published_loss_share":0.9218784776318718,"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":"Big Bass Halloween Splash 1000","provider":"unknown","bets":4006,"observed_return":0.8241765684806214,"declared_rtp":null,"gap":null,"std_error":0.10524703104080381,"ci95":[0.6178923876406459,1.0304607493205968],"max_multiplier":204.93333333333388,"confidence":"moderate","margin":0.20628418083997546,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-10-16","to":"2026-10-23"},"published_loss_share":0.9203694458312531,"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 Halloween Splash 1000","provider":"pragmatic play","bets":2442,"observed_return":3.6860351392301394,"declared_rtp":null,"gap":null,"std_error":0.5791404606300462,"ci95":[2.5509198363952486,4.82115044206503],"max_multiplier":1219.7586,"confidence":"moderate","margin":1.1351153028348906,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-10-16","to":"2026-10-23"},"published_loss_share":0.6138411138411138,"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":"Cloudbet","game":"Big Bass Halloween Splash 1000","provider":"pragmatic play","bets":1143,"observed_return":0.6228710994459027,"declared_rtp":null,"gap":null,"std_error":0.17856297047154995,"ci95":[0.2728876773216648,0.9728545215701405],"max_multiplier":171.7,"confidence":"moderate","margin":0.3499834221242379,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-10-16","to":"2026-10-21"},"published_loss_share":0.9308836395450568,"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}}]}