{"window_days":7,"from":"2026-09-24","games_returned":4,"games_withheld_below_min_bets":4,"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 Vegas 1000","provider":"pragmatic play","bets":10006,"observed_return":0.8495551963289786,"declared_rtp":null,"gap":null,"std_error":0.07697794162971724,"ci95":[0.6986784307347328,1.0004319619232245],"max_multiplier":222.2,"confidence":"high","margin":0.1508767655942458,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-24","to":"2026-10-01"},"published_loss_share":0.927643413951629,"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":"Big Bass Vegas 1000","provider":"pragmatic play","bets":9183,"observed_return":0.35623797597009466,"declared_rtp":null,"gap":null,"std_error":0.039621711147319064,"ci95":[0.2785794221213493,0.43389652981884],"max_multiplier":200.50000000000014,"confidence":"moderate","margin":0.07765855384874536,"publishable":false,"withheld":"implausible","diverges_from_declared":null,"window":{"from":"2026-09-24","to":"2026-10-01"},"published_loss_share":0.9299793095938147,"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 Vegas 1000","provider":"pragmatic play","bets":2548,"observed_return":2.392762343014128,"declared_rtp":null,"gap":null,"std_error":0.20306125281159598,"ci95":[1.9947622875034,2.790762398524856],"max_multiplier":300.20264,"confidence":"moderate","margin":0.39800005551072815,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-24","to":"2026-09-30"},"published_loss_share":0.6204866562009419,"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":"Big Bass Vegas 1000","provider":"unknown","bets":1784,"observed_return":0.7690999003487816,"declared_rtp":null,"gap":null,"std_error":0.13048367616802747,"ci95":[0.5133518950594478,1.0248479056381155],"max_multiplier":121.93333333333334,"confidence":"moderate","margin":0.25574800528933384,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-24","to":"2026-09-30"},"published_loss_share":0.899103139013453,"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}}]}