--- title: "Japanese Speed Blackjack I game: RTP & biggest wins" description: "Japanese Speed Blackjack I by Shuffle Originals: 130 sampled bets in 30 days. Biggest win $1,530 (1.92x) at Shuffle. Played at 1 crypto casino we track." url: https://gambatracker.com/slots/shuffle-japanese-speed-blackjack-i rendered: 2026-11-12T16:13Z --- Japanese Speed Blackjack I [Slots](https://gambatracker.com/slots) / Japanese Speed Blackjack I # Japanese Speed Blackjack I · originals [Shuffle Originals](https://gambatracker.com/providers/shuffle-originals) played on 1 casino we read [Compare](https://gambatracker.com/slots/compare?a=shuffle-japanese-speed-blackjack-i) [24h](https://gambatracker.com/slots/shuffle-japanese-speed-blackjack-i?window=24h) [7d](https://gambatracker.com/slots/shuffle-japanese-speed-blackjack-i?window=7d) [30d](https://gambatracker.com/slots/shuffle-japanese-speed-blackjack-i) [90d](https://gambatracker.com/slots/shuffle-japanese-speed-blackjack-i?window=90d) [All](https://gambatracker.com/slots/shuffle-japanese-speed-blackjack-i?window=all) ## Observed RTP vs official · paid ÷ wagered over the sampled bets, with a 95% band 24h · 121.27% ±44.4 · 11 bets — 7d · 82.24% ±20.1 · 75 bets — 30d · 88.12% ±18.2 · 101 bets — 90d · 88.12% ±18.2 · 101 bets — All · 88.12% ±18.2 · 101 bets — Per casino, 30d [Shuffle](https://gambatracker.com/casinos/shuffle) · 101 bets · below min 69.5% 88.3% 107.0% The marker is the RTP each casino publishes for this game. An amber bar means that figure is outside the 95% band of what we observed there; grey bars are below the minimum sample. ## This game · all sampled bets - **Bets**: 130 - **Wagered**: $37.2K - **Paid**: $39K - **Max multiplier**: 2.50x - **Max payout**: $1,530 too early Not enough bets over 30d to compare with the official RTP yet. Every spin is independent. ## Official RTP · as published by each casino No casino publishes an RTP for this game. ## Multiplier distribution · 30d, sampled bets 101 sampled spins, 70% of them paid something. - **0 spins**: paid 10x+ in this sample - **0 spins**: paid 100x+ in this sample - **0 spins**: paid 1000x+ in this sample 0 0-1 1-2 2-5 5-10 10-50 50-100 100-1000 1000+ From 101 sampled spins; a small sample swings a lot, and every spin is independent. Bar height is square-root scaled so the rare high buckets stay visible. Hover a bar for the count. ## Where it is played · 30d, share of sampled wagering [Shuffle](https://gambatracker.com/casinos/shuffle) $23.2K 101 bets · 100% ## When players play · 30d · sampled bets by UTC hour and weekday, since 2 Nov 2026 Mon Mon 00:00–01:00 UTC: 0 bets, $0 wagered Mon 01:00–02:00 UTC: 0 bets, $0 wagered Mon 02:00–03:00 UTC: 0 bets, $0 wagered Mon 03:00–04:00 UTC: 0 bets, $0 wagered Mon 04:00–05:00 UTC: 0 bets, $0 wagered Mon 05:00–06:00 UTC: 0 bets, $0 wagered Mon 06:00–07:00 UTC: 0 bets, $0 wagered Mon 07:00–08:00 UTC: 0 bets, $0 wagered Mon 08:00–09:00 UTC: 0 bets, $0 wagered Mon 09:00–10:00 UTC: 0 bets, $0 wagered Mon 10:00–11:00 UTC: 0 bets, $0 wagered Mon 11:00–12:00 UTC: 0 bets, $0 wagered Mon 12:00–13:00 UTC: 0 bets, $0 wagered Mon 13:00–14:00 UTC: 0 bets, $0 wagered Mon 14:00–15:00 UTC: 5 bets, $1,670 wagered Mon 15:00–16:00 UTC: 2 bets, $265 wagered Mon 16:00–17:00 UTC: 0 bets, $0 wagered Mon 17:00–18:00 UTC: 0 bets, $0 wagered Mon 18:00–19:00 UTC: 0 bets, $0 wagered Mon 19:00–20:00 UTC: 1 bets, $65.57 wagered Mon 20:00–21:00 UTC: 0 bets, $0 wagered Mon 21:00–22:00 UTC: 0 bets, $0 wagered Mon 22:00–23:00 UTC: 0 bets, $0 wagered Mon 23:00–00:00 UTC: 0 bets, $0 wagered Tue Tue 00:00–01:00 UTC: 0 bets, $0 wagered Tue 01:00–02:00 UTC: 0 bets, $0 wagered Tue 02:00–03:00 UTC: 0 bets, $0 wagered Tue 03:00–04:00 UTC: 1 bets, $170 wagered Tue 04:00–05:00 UTC: 0 bets, $0 wagered Tue 05:00–06:00 UTC: 0 bets, $0 wagered Tue 06:00–07:00 UTC: 1 bets, $633 wagered Tue 07:00–08:00 UTC: 0 bets, $0 wagered Tue 08:00–09:00 UTC: 0 bets, $0 wagered Tue 09:00–10:00 UTC: 4 bets, $326 wagered Tue 10:00–11:00 UTC: 0 bets, $0 wagered Tue 11:00–12:00 UTC: 1 bets, $50.00 wagered Tue 12:00–13:00 UTC: 4 bets, $713 wagered Tue 13:00–14:00 UTC: 1 bets, $112 wagered Tue 14:00–15:00 UTC: 0 bets, $0 wagered Tue 15:00–16:00 UTC: 1 bets, $56.41 wagered Tue 16:00–17:00 UTC: 0 bets, $0 wagered Tue 17:00–18:00 UTC: 8 bets, $3,850 wagered Tue 18:00–19:00 UTC: 0 bets, $0 wagered Tue 19:00–20:00 UTC: 0 bets, $0 wagered Tue 20:00–21:00 UTC: 0 bets, $0 wagered Tue 21:00–22:00 UTC: 0 bets, $0 wagered Tue 22:00–23:00 UTC: 5 bets, $735 wagered Tue 23:00–00:00 UTC: 0 bets, $0 wagered Wed Wed 00:00–01:00 UTC: 0 bets, $0 wagered Wed 01:00–02:00 UTC: 0 bets, $0 wagered Wed 02:00–03:00 UTC: 0 bets, $0 wagered Wed 03:00–04:00 UTC: 0 bets, $0 wagered Wed 04:00–05:00 UTC: 0 bets, $0 wagered Wed 05:00–06:00 UTC: 0 bets, $0 wagered Wed 06:00–07:00 UTC: 0 bets, $0 wagered Wed 07:00–08:00 UTC: 5 bets, $1,202 wagered Wed 08:00–09:00 UTC: 3 bets, $601 wagered Wed 09:00–10:00 UTC: 0 bets, $0 wagered Wed 10:00–11:00 UTC: 0 bets, $0 wagered Wed 11:00–12:00 UTC: 0 bets, $0 wagered Wed 12:00–13:00 UTC: 2 bets, $202 wagered Wed 13:00–14:00 UTC: 0 bets, $0 wagered Wed 14:00–15:00 UTC: 0 bets, $0 wagered Wed 15:00–16:00 UTC: 0 bets, $0 wagered Wed 16:00–17:00 UTC: 0 bets, $0 wagered Wed 17:00–18:00 UTC: 1 bets, $202 wagered Wed 18:00–19:00 UTC: 0 bets, $0 wagered Wed 19:00–20:00 UTC: 0 bets, $0 wagered Wed 20:00–21:00 UTC: 0 bets, $0 wagered Wed 21:00–22:00 UTC: 0 bets, $0 wagered Wed 22:00–23:00 UTC: 2 bets, $115 wagered Wed 23:00–00:00 UTC: 6 bets, $1,780 wagered Thu Thu 00:00–01:00 UTC: 0 bets, $0 wagered Thu 01:00–02:00 UTC: 0 bets, $0 wagered Thu 02:00–03:00 UTC: 0 bets, $0 wagered Thu 03:00–04:00 UTC: 0 bets, $0 wagered Thu 04:00–05:00 UTC: 0 bets, $0 wagered Thu 05:00–06:00 UTC: 0 bets, $0 wagered Thu 06:00–07:00 UTC: 0 bets, $0 wagered Thu 07:00–08:00 UTC: 0 bets, $0 wagered Thu 08:00–09:00 UTC: 0 bets, $0 wagered Thu 09:00–10:00 UTC: 0 bets, $0 wagered Thu 10:00–11:00 UTC: 0 bets, $0 wagered Thu 11:00–12:00 UTC: 0 bets, $0 wagered Thu 12:00–13:00 UTC: 0 bets, $0 wagered Thu 13:00–14:00 UTC: 0 bets, $0 wagered Thu 14:00–15:00 UTC: 0 bets, $0 wagered Thu 15:00–16:00 UTC: 11 bets, $6,977 wagered Thu 16:00–17:00 UTC: 0 bets, $0 wagered Thu 17:00–18:00 UTC: 0 bets, $0 wagered Thu 18:00–19:00 UTC: 0 bets, $0 wagered Thu 19:00–20:00 UTC: 0 bets, $0 wagered Thu 20:00–21:00 UTC: 0 bets, $0 wagered Thu 21:00–22:00 UTC: 0 bets, $0 wagered Thu 22:00–23:00 UTC: 0 bets, $0 wagered Thu 23:00–00:00 UTC: 0 bets, $0 wagered Fri Fri 00:00–01:00 UTC: 4 bets, $1,207 wagered Fri 01:00–02:00 UTC: 0 bets, $0 wagered Fri 02:00–03:00 UTC: 0 bets, $0 wagered Fri 03:00–04:00 UTC: 0 bets, $0 wagered Fri 04:00–05:00 UTC: 0 bets, $0 wagered Fri 05:00–06:00 UTC: 0 bets, $0 wagered Fri 06:00–07:00 UTC: 0 bets, $0 wagered Fri 07:00–08:00 UTC: 0 bets, $0 wagered Fri 08:00–09:00 UTC: 0 bets, $0 wagered Fri 09:00–10:00 UTC: 3 bets, $300 wagered Fri 10:00–11:00 UTC: 2 bets, $871 wagered Fri 11:00–12:00 UTC: 0 bets, $0 wagered Fri 12:00–13:00 UTC: 0 bets, $0 wagered Fri 13:00–14:00 UTC: 0 bets, $0 wagered Fri 14:00–15:00 UTC: 0 bets, $0 wagered Fri 15:00–16:00 UTC: 0 bets, $0 wagered Fri 16:00–17:00 UTC: 0 bets, $0 wagered Fri 17:00–18:00 UTC: 6 bets, $1,850 wagered Fri 18:00–19:00 UTC: 0 bets, $0 wagered Fri 19:00–20:00 UTC: 0 bets, $0 wagered Fri 20:00–21:00 UTC: 0 bets, $0 wagered Fri 21:00–22:00 UTC: 0 bets, $0 wagered Fri 22:00–23:00 UTC: 0 bets, $0 wagered Fri 23:00–00:00 UTC: 0 bets, $0 wagered Sat Sat 00:00–01:00 UTC: 0 bets, $0 wagered Sat 01:00–02:00 UTC: 0 bets, $0 wagered Sat 02:00–03:00 UTC: 0 bets, $0 wagered Sat 03:00–04:00 UTC: 2 bets, $909 wagered Sat 04:00–05:00 UTC: 0 bets, $0 wagered Sat 05:00–06:00 UTC: 0 bets, $0 wagered Sat 06:00–07:00 UTC: 0 bets, $0 wagered Sat 07:00–08:00 UTC: 0 bets, $0 wagered Sat 08:00–09:00 UTC: 0 bets, $0 wagered Sat 09:00–10:00 UTC: 0 bets, $0 wagered Sat 10:00–11:00 UTC: 0 bets, $0 wagered Sat 11:00–12:00 UTC: 2 bets, $300 wagered Sat 12:00–13:00 UTC: 4 bets, $789 wagered Sat 13:00–14:00 UTC: 0 bets, $0 wagered Sat 14:00–15:00 UTC: 1 bets, $100 wagered Sat 15:00–16:00 UTC: 0 bets, $0 wagered Sat 16:00–17:00 UTC: 0 bets, $0 wagered Sat 17:00–18:00 UTC: 0 bets, $0 wagered Sat 18:00–19:00 UTC: 0 bets, $0 wagered Sat 19:00–20:00 UTC: 3 bets, $320 wagered Sat 20:00–21:00 UTC: 0 bets, $0 wagered Sat 21:00–22:00 UTC: 0 bets, $0 wagered Sat 22:00–23:00 UTC: 0 bets, $0 wagered Sat 23:00–00:00 UTC: 10 bets, $2,605 wagered Sun Sun 00:00–01:00 UTC: 3 bets, $1,600 wagered Sun 01:00–02:00 UTC: 0 bets, $0 wagered Sun 02:00–03:00 UTC: 0 bets, $0 wagered Sun 03:00–04:00 UTC: 0 bets, $0 wagered Sun 04:00–05:00 UTC: 0 bets, $0 wagered Sun 05:00–06:00 UTC: 0 bets, $0 wagered Sun 06:00–07:00 UTC: 0 bets, $0 wagered Sun 07:00–08:00 UTC: 0 bets, $0 wagered Sun 08:00–09:00 UTC: 0 bets, $0 wagered Sun 09:00–10:00 UTC: 0 bets, $0 wagered Sun 10:00–11:00 UTC: 0 bets, $0 wagered Sun 11:00–12:00 UTC: 0 bets, $0 wagered Sun 12:00–13:00 UTC: 0 bets, $0 wagered Sun 13:00–14:00 UTC: 7 bets, $2,207 wagered Sun 14:00–15:00 UTC: 0 bets, $0 wagered Sun 15:00–16:00 UTC: 0 bets, $0 wagered Sun 16:00–17:00 UTC: 4 bets, $350 wagered Sun 17:00–18:00 UTC: 0 bets, $0 wagered Sun 18:00–19:00 UTC: 3 bets, $767 wagered Sun 19:00–20:00 UTC: 0 bets, $0 wagered Sun 20:00–21:00 UTC: 1 bets, $200 wagered Sun 21:00–22:00 UTC: 10 bets, $3,015 wagered Sun 22:00–23:00 UTC: 0 bets, $0 wagered Sun 23:00–00:00 UTC: 1 bets, $50.05 wagered by hour Busiest hour: Thu 15:00–16:00 UTC with 11 bets; busiest time of day: 23:00–00:00 UTC; busiest day: Sun. Observed on the public feeds we read, a sample: when people were seen playing, not when anyone should. Hours are UTC. ## Biggest hits · largest payouts we saw on this game [Shuffle](https://gambatracker.com/casinos/shuffle) [Japanese Speed Blackjack I Shuffle Originals](https://gambatracker.com/originals/blackjack) Hidden $795 795 USDT $1,530 1.92x 2026-11-03 17:31 UTC [Shuffle](https://gambatracker.com/casinos/shuffle) [Japanese Speed Blackjack I Shuffle Originals](https://gambatracker.com/originals/blackjack) Hidden $657 13.5 LTC $1,315 2.00x 2026-11-12 15:43 UTC [Shuffle](https://gambatracker.com/casinos/shuffle) [Japanese Speed Blackjack I Shuffle Originals](https://gambatracker.com/originals/blackjack) [tako1919](https://gambatracker.com/players/shuffle/tako1919) $631 12.1 LTC $1,263 2.00x 2026-11-07 03:38 UTC [Shuffle](https://gambatracker.com/casinos/shuffle) [Japanese Speed Blackjack I Shuffle Originals](https://gambatracker.com/originals/blackjack) [sksgdka](https://gambatracker.com/players/shuffle/sksgdka) $600 600 USDT $1,200 2.00x 2026-11-08 00:04 UTC [Shuffle](https://gambatracker.com/casinos/shuffle) [Japanese Speed Blackjack I Shuffle Originals](https://gambatracker.com/originals/blackjack) Hidden $525 525 USDT $1,178 2.24x 2026-11-03 17:26 UTC [Shuffle](https://gambatracker.com/casinos/shuffle) [Japanese Speed Blackjack I Shuffle Originals](https://gambatracker.com/originals/blackjack) Hidden $563 11.56 LTC $1,126 2.00x 2026-11-12 15:42 UTC [Shuffle](https://gambatracker.com/casinos/shuffle) [Japanese Speed Blackjack I Shuffle Originals](https://gambatracker.com/originals/blackjack) [yukiao](https://gambatracker.com/players/shuffle/yukiao) $506 506 USDT $1,012 2.00x 2026-11-04 07:54 UTC [Shuffle](https://gambatracker.com/casinos/shuffle) [Japanese Speed Blackjack I Shuffle Originals](https://gambatracker.com/originals/blackjack) Hidden $501 10.28 LTC $1,001 2.00x 2026-11-12 15:42 UTC ## Live RTP by casino · 30d, refreshes on reload [24h](https://gambatracker.com/slots/shuffle-japanese-speed-blackjack-i?window=24h) [7d](https://gambatracker.com/slots/shuffle-japanese-speed-blackjack-i?window=7d) [30d](https://gambatracker.com/slots/shuffle-japanese-speed-blackjack-i) [90d](https://gambatracker.com/slots/shuffle-japanese-speed-blackjack-i?window=90d) [All](https://gambatracker.com/slots/shuffle-japanese-speed-blackjack-i?window=all) | # | Casino | Observed RTP | Official | Dev. | Bets | Wagered | | --- | --- | --- | --- | --- | --- | --- | | 1 | [Shuffle](https://gambatracker.com/casinos/shuffle) | 88.12% ±18.2 | — | — | 101 bets · below min | $23.2K | ## About Japanese Speed Blackjack I · from the figures on this page Japanese Speed Blackjack I is a Shuffle Originals game. Over the last 30 days we observed 130 bets on it at 1 casino, too few to measure its RTP over 30 days. Its highest multiplier in the last 30 days was 2.50x. The biggest win we saw on it paid $1,530 (1.92x) at Shuffle on 3 Nov 2026. Over the last 30 days it was played most, by wager, at Shuffle. ## More from Shuffle Originals · 30 days, by observed wagering [Studio →](https://gambatracker.com/providers/shuffle-originals) No other game of theirs in the sampled feeds in 30 days. 18+ **These are past, observed results.** Every spin and round is independent: a hot or cold streak says nothing about what happens next, and no figure on this site improves anyone's odds. Gambling can be harmful. [BeGambleAware](https://www.begambleaware.org/) [Gamblers Anonymous](https://www.gamblersanonymous.org/) [Help & limits](https://gambatracker.com/responsible-gambling) How these figures are produced and labelled: https://gambatracker.com/llms.txt