{"window_days":7,"from":"2026-09-14","games_returned":4,"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":"Spinman","provider":"hacksaw","bets":2084,"observed_return":0.8415813297934209,"declared_rtp":null,"gap":null,"std_error":0.1410507175736972,"ci95":[0.5651219233489744,1.1180407362378675],"max_multiplier":184.83333333333334,"confidence":"moderate","margin":0.2764594064444465,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.9126679462571977,"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":"Spinman","provider":"hacksaw","bets":989,"observed_return":0.20916750926862146,"declared_rtp":null,"gap":null,"std_error":0.03955562644563498,"ci95":[0.13163848143517692,0.286696537102066],"max_multiplier":22.5,"confidence":"low","margin":0.07752902783344455,"publishable":false,"withheld":"implausible","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-19"},"published_loss_share":0.9585439838220424,"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":"Spinman","provider":"hacksaw","bets":396,"observed_return":1.823158207070707,"declared_rtp":null,"gap":null,"std_error":0.3792048913064204,"ci95":[1.0799166201101231,2.566399794031291],"max_multiplier":84.59996,"confidence":"low","margin":0.743241586960584,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.73989898989899,"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":"Shuffle Spinman","provider":"unknown","bets":172,"observed_return":0.4487067183462518,"declared_rtp":null,"gap":null,"std_error":0.06937185422062753,"ci95":[0.31273788407382186,0.5846755526186818],"max_multiplier":6.5695,"confidence":"low","margin":0.13596883427242995,"publishable":false,"withheld":"imprecise","diverges_from_declared":null,"window":{"from":"2026-09-14","to":"2026-09-21"},"published_loss_share":0.872093023255814,"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}}]}