{"window_days":7,"from":"2026-09-07","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":"Winna","game":"CoinFlip","provider":"internal house games","bets":8108,"observed_return":4.72474099654662,"declared_rtp":null,"gap":null,"std_error":0.1701046011570373,"ci95":[4.391335978278827,5.0581460148144135],"max_multiplier":501.76,"confidence":"moderate","margin":0.33340501826779306,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-07","to":"2026-09-14"},"published_loss_share":0.5278737049827331,"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":"Shuffle","game":"Coinflip","provider":"unknown","bets":4486,"observed_return":1.1151816716226837,"declared_rtp":null,"gap":null,"std_error":0.11787635523869185,"ci95":[0.8841440153548477,1.3462193278905197],"max_multiplier":501.76,"confidence":"moderate","margin":0.231037656267836,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-07","to":"2026-09-14"},"published_loss_share":0.64489522960321,"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":"CoinFlip","provider":"bc originals","bets":3511,"observed_return":0.9545998258634366,"declared_rtp":null,"gap":null,"std_error":0.08446156915769046,"ci95":[0.7890551503143634,1.12014450141251],"max_multiplier":125.44,"confidence":"moderate","margin":0.1655446755490733,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-07","to":"2026-09-14"},"published_loss_share":0.89062945029906,"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":"Coinflip","provider":"cloudbet","bets":3331,"observed_return":0.6768405500705876,"declared_rtp":null,"gap":null,"std_error":0.030937108169332348,"ci95":[0.6162038180586962,0.7374772820824791],"max_multiplier":15.84,"confidence":"moderate","margin":0.0606367320118914,"publishable":false,"withheld":"implausible","diverges_from_declared":null,"window":{"from":"2026-09-08","to":"2026-09-14"},"published_loss_share":0.8405884118883218,"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":"Coinflip","provider":"housegames","bets":387,"observed_return":0.9575193798449614,"declared_rtp":null,"gap":null,"std_error":0.04879937959012917,"ci95":[0.8618725958483082,1.0531661638416145],"max_multiplier":1.9200000000000004,"confidence":"low","margin":0.09564678399665318,"publishable":true,"withheld":null,"diverges_from_declared":null,"window":{"from":"2026-09-07","to":"2026-09-14"},"published_loss_share":0.5012919896640827,"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}}]}