{"window_days":7,"from":"2026-09-24","games_returned":3,"games_withheld_below_min_bets":2,"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":"Crazy Balls","provider":"unknown","bets":207,"observed_return":0.6087050299522081,"declared_rtp":null,"gap":null,"std_error":0.1224909554429212,"ci95":[0.36862275728408256,0.8487873026203336],"max_multiplier":15,"confidence":"low","margin":0.24008227266812554,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-24","to":"2026-09-30"},"published_loss_share":0.855072463768116,"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":"Crazy Balls","provider":"evolution","bets":145,"observed_return":2.044510482758621,"declared_rtp":null,"gap":null,"std_error":0.277845777116673,"ci95":[1.4999327596099419,2.5890882059073],"max_multiplier":25,"confidence":"low","margin":0.5445777231486791,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-24","to":"2026-09-30"},"published_loss_share":0.5172413793103449,"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":"Crazy Balls","provider":"evolution","bets":136,"observed_return":0.051470588235294115,"declared_rtp":null,"gap":null,"std_error":0.03830572266604618,"ci95":[-0.023608628190156397,0.1265498046607446],"max_multiplier":5,"confidence":"low","margin":0.07507921642545051,"publishable":false,"withheld":"implausible","diverges_from_declared":null,"window":{"from":"2026-09-24","to":"2026-10-01"},"published_loss_share":0.9852941176470589,"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}}]}