--- title: "Japanese Speed Blackjack J game: RTP & biggest wins" description: "Japanese Speed Blackjack J by Stake Originals: 257 sampled bets in 30 days. Biggest win $5,867 (3.25x) at Stake. Played at 1 crypto casino we track." url: https://gambatracker.com/slots/stake-japanese-speed-blackjack-j rendered: 2026-11-12T14:47Z --- Japanese Speed Blackjack J [Slots](https://gambatracker.com/slots) / Japanese Speed Blackjack J # Japanese Speed Blackjack J · originals [Stake Originals](https://gambatracker.com/providers/stake-originals) played on 1 casino we read [Compare](https://gambatracker.com/slots/compare?a=stake-japanese-speed-blackjack-j) [24h](https://gambatracker.com/slots/stake-japanese-speed-blackjack-j?window=24h) [7d](https://gambatracker.com/slots/stake-japanese-speed-blackjack-j?window=7d) [30d](https://gambatracker.com/slots/stake-japanese-speed-blackjack-j) [90d](https://gambatracker.com/slots/stake-japanese-speed-blackjack-j?window=90d) [All](https://gambatracker.com/slots/stake-japanese-speed-blackjack-j?window=all) ## Observed RTP vs official · paid ÷ wagered over the sampled bets, with a 95% band 24h · 117.14% ±45.6 · 12 bets — 7d · 112.83% ±25.1 · 82 bets — 30d · 101.94% ±21.4 · 118 bets — 90d · 101.94% ±21.4 · 118 bets — All · 101.94% ±21.4 · 118 bets — Per casino, 30d [Stake](https://gambatracker.com/casinos/stake) · 118 bets · below min 80.0% 102.0% 124.0% 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**: 257 - **Wagered**: $223K - **Paid**: $240K - **Max multiplier**: 7.33x - **Max payout**: $5,867 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 119 sampled spins, 61% 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 119 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 [Stake](https://gambatracker.com/casinos/stake) $24.4K 118 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: 4 bets, $696 wagered Mon 04:00–05:00 UTC: 2 bets, $1,673 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: 3 bets, $5,906 wagered Mon 13:00–14:00 UTC: 0 bets, $0 wagered Mon 14:00–15:00 UTC: 0 bets, $0 wagered Mon 15:00–16:00 UTC: 0 bets, $0 wagered Mon 16:00–17:00 UTC: 0 bets, $0 wagered Mon 17:00–18:00 UTC: 1 bets, $100 wagered Mon 18:00–19:00 UTC: 0 bets, $0 wagered Mon 19:00–20:00 UTC: 5 bets, $1,064 wagered Mon 20:00–21:00 UTC: 3 bets, $341 wagered Mon 21:00–22:00 UTC: 1 bets, $75.80 wagered Mon 22:00–23:00 UTC: 2 bets, $196 wagered Mon 23:00–00:00 UTC: 2 bets, $124 wagered Tue Tue 00:00–01:00 UTC: 1 bets, $1,100 wagered Tue 01:00–02:00 UTC: 1 bets, $100 wagered Tue 02:00–03:00 UTC: 0 bets, $0 wagered Tue 03:00–04:00 UTC: 26 bets, $33.6K wagered Tue 04:00–05:00 UTC: 0 bets, $0 wagered Tue 05:00–06:00 UTC: 1 bets, $254 wagered Tue 06:00–07:00 UTC: 2 bets, $381 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: 2 bets, $428 wagered Tue 10:00–11:00 UTC: 0 bets, $0 wagered Tue 11:00–12:00 UTC: 4 bets, $748 wagered Tue 12:00–13:00 UTC: 2 bets, $250 wagered Tue 13:00–14:00 UTC: 0 bets, $0 wagered Tue 14:00–15:00 UTC: 6 bets, $9,493 wagered Tue 15:00–16:00 UTC: 5 bets, $6,803 wagered Tue 16:00–17:00 UTC: 4 bets, $5,255 wagered Tue 17:00–18:00 UTC: 0 bets, $0 wagered Tue 18:00–19:00 UTC: 1 bets, $1,119 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: 1 bets, $1,074 wagered Tue 23:00–00:00 UTC: 4 bets, $5,644 wagered Wed Wed 00:00–01:00 UTC: 0 bets, $0 wagered Wed 01:00–02:00 UTC: 1 bets, $134 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: 1 bets, $107 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: 0 bets, $0 wagered Wed 08:00–09:00 UTC: 1 bets, $167 wagered Wed 09:00–10:00 UTC: 10 bets, $12.7K wagered Wed 10:00–11:00 UTC: 1 bets, $1,037 wagered Wed 11:00–12:00 UTC: 3 bets, $3,630 wagered Wed 12:00–13:00 UTC: 0 bets, $0 wagered Wed 13:00–14:00 UTC: 3 bets, $507 wagered Wed 14:00–15:00 UTC: 0 bets, $0 wagered Wed 15:00–16:00 UTC: 1 bets, $1,904 wagered Wed 16:00–17:00 UTC: 2 bets, $297 wagered Wed 17:00–18:00 UTC: 5 bets, $3,167 wagered Wed 18:00–19:00 UTC: 1 bets, $94.09 wagered Wed 19:00–20:00 UTC: 2 bets, $150 wagered Wed 20:00–21:00 UTC: 1 bets, $116 wagered Wed 21:00–22:00 UTC: 1 bets, $281 wagered Wed 22:00–23:00 UTC: 0 bets, $0 wagered Wed 23:00–00:00 UTC: 0 bets, $0 wagered Thu Thu 00:00–01:00 UTC: 6 bets, $2,271 wagered Thu 01:00–02:00 UTC: 4 bets, $2,647 wagered Thu 02:00–03:00 UTC: 2 bets, $753 wagered Thu 03:00–04:00 UTC: 2 bets, $280 wagered Thu 04:00–05:00 UTC: 0 bets, $0 wagered Thu 05:00–06:00 UTC: 2 bets, $501 wagered Thu 06:00–07:00 UTC: 0 bets, $0 wagered Thu 07:00–08:00 UTC: 2 bets, $507 wagered Thu 08:00–09:00 UTC: 13 bets, $22.1K wagered Thu 09:00–10:00 UTC: 1 bets, $50.05 wagered Thu 10:00–11:00 UTC: 1 bets, $67.44 wagered Thu 11:00–12:00 UTC: 2 bets, $297 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: 9 bets, $5,694 wagered Thu 15:00–16:00 UTC: 2 bets, $416 wagered Thu 16:00–17:00 UTC: 2 bets, $1,403 wagered Thu 17:00–18:00 UTC: 2 bets, $1,354 wagered Thu 18:00–19:00 UTC: 1 bets, $2,508 wagered Thu 19:00–20:00 UTC: 2 bets, $181 wagered Thu 20:00–21:00 UTC: 0 bets, $0 wagered Thu 21:00–22:00 UTC: 1 bets, $112 wagered Thu 22:00–23:00 UTC: 3 bets, $4,236 wagered Thu 23:00–00:00 UTC: 0 bets, $0 wagered Fri Fri 00:00–01:00 UTC: 0 bets, $0 wagered Fri 01:00–02:00 UTC: 2 bets, $155 wagered Fri 02:00–03:00 UTC: 0 bets, $0 wagered Fri 03:00–04:00 UTC: 3 bets, $3,803 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: 2 bets, $541 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: 0 bets, $0 wagered Fri 10:00–11:00 UTC: 0 bets, $0 wagered Fri 11:00–12:00 UTC: 2 bets, $1,325 wagered Fri 12:00–13:00 UTC: 16 bets, $20.7K wagered Fri 13:00–14:00 UTC: 2 bets, $1,343 wagered Fri 14:00–15:00 UTC: 1 bets, $110 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: 2 bets, $240 wagered Fri 18:00–19:00 UTC: 0 bets, $0 wagered Fri 19:00–20:00 UTC: 1 bets, $341 wagered Fri 20:00–21:00 UTC: 1 bets, $164 wagered Fri 21:00–22:00 UTC: 1 bets, $138 wagered Fri 22:00–23:00 UTC: 2 bets, $221 wagered Fri 23:00–00:00 UTC: 4 bets, $5,201 wagered Sat Sat 00:00–01:00 UTC: 0 bets, $0 wagered Sat 01:00–02:00 UTC: 1 bets, $220 wagered Sat 02:00–03:00 UTC: 4 bets, $5,377 wagered Sat 03:00–04:00 UTC: 0 bets, $0 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: 1 bets, $50.07 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: 1 bets, $212 wagered Sat 11:00–12:00 UTC: 1 bets, $505 wagered Sat 12:00–13:00 UTC: 0 bets, $0 wagered Sat 13:00–14:00 UTC: 0 bets, $0 wagered Sat 14:00–15:00 UTC: 0 bets, $0 wagered Sat 15:00–16:00 UTC: 6 bets, $10.6K 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: 0 bets, $0 wagered Sat 20:00–21:00 UTC: 3 bets, $3,346 wagered Sat 21:00–22:00 UTC: 0 bets, $0 wagered Sat 22:00–23:00 UTC: 2 bets, $290 wagered Sat 23:00–00:00 UTC: 1 bets, $302 wagered Sun Sun 00:00–01:00 UTC: 0 bets, $0 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: 0 bets, $0 wagered Sun 14:00–15:00 UTC: 1 bets, $201 wagered Sun 15:00–16:00 UTC: 0 bets, $0 wagered Sun 16:00–17:00 UTC: 14 bets, $18.9K wagered Sun 17:00–18:00 UTC: 1 bets, $70.65 wagered Sun 18:00–19:00 UTC: 2 bets, $222 wagered Sun 19:00–20:00 UTC: 3 bets, $292 wagered Sun 20:00–21:00 UTC: 0 bets, $0 wagered Sun 21:00–22:00 UTC: 0 bets, $0 wagered Sun 22:00–23:00 UTC: 2 bets, $144 wagered Sun 23:00–00:00 UTC: 2 bets, $2,256 wagered by hour Busiest hour: Tue 03:00–04:00 UTC with 26 bets; busiest time of day: 03:00–04:00 UTC; busiest day: Tue. 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 [Stake](https://gambatracker.com/casinos/stake) [Japanese Speed Blackjack J Stake Originals](https://gambatracker.com/originals/blackjack) Hidden $1,805 1,475 XRP $5,867 3.25x 2026-11-05 22:24 UTC [Stake](https://gambatracker.com/casinos/stake) [Japanese Speed Blackjack J Stake Originals](https://gambatracker.com/originals/blackjack) Hidden $2,534 2,534 USDT $5,067 2.00x 2026-11-10 03:44 UTC [Stake](https://gambatracker.com/casinos/stake) [Japanese Speed Blackjack J Stake Originals](https://gambatracker.com/originals/blackjack) Hidden $2,529 2,529 USDT $5,058 2.00x 2026-11-06 12:59 UTC [Stake](https://gambatracker.com/casinos/stake) [Japanese Speed Blackjack J Stake Originals](https://gambatracker.com/originals/blackjack) Hidden $2,527 2,527 USDT $5,053 2.00x 2026-11-08 16:54 UTC [Stake](https://gambatracker.com/casinos/stake) [Japanese Speed Blackjack J Stake Originals](https://gambatracker.com/originals/blackjack) Hidden $2,816 30.31 SOL $4,606 1.64x 2026-11-04 09:24 UTC [Stake](https://gambatracker.com/casinos/stake) [Japanese Speed Blackjack J Stake Originals](https://gambatracker.com/originals/blackjack) Hidden $2,687 32.37 SOL $4,479 1.67x 2026-11-10 23:20 UTC [Stake](https://gambatracker.com/casinos/stake) [Japanese Speed Blackjack J Stake Originals](https://gambatracker.com/originals/blackjack) Hidden $2,102 2,102 USDT $4,204 2.00x 2026-11-09 12:36 UTC [Stake](https://gambatracker.com/casinos/stake) [Japanese Speed Blackjack J Stake Originals](https://gambatracker.com/originals/blackjack) Hidden $1,972 1,863 XRP $3,827 1.94x 2026-11-11 09:10 UTC [Stake](https://gambatracker.com/casinos/stake) [Japanese Speed Blackjack J Stake Originals](https://gambatracker.com/originals/blackjack) Hidden $1,901 1,901 USDT $3,802 2.00x 2026-11-03 15:18 UTC [Stake](https://gambatracker.com/casinos/stake) [Japanese Speed Blackjack J Stake Originals](https://gambatracker.com/originals/blackjack) Hidden $1,898 1,898 USDT $3,797 2.00x 2026-11-05 08:36 UTC ## Live RTP by casino · 30d, refreshes on reload [24h](https://gambatracker.com/slots/stake-japanese-speed-blackjack-j?window=24h) [7d](https://gambatracker.com/slots/stake-japanese-speed-blackjack-j?window=7d) [30d](https://gambatracker.com/slots/stake-japanese-speed-blackjack-j) [90d](https://gambatracker.com/slots/stake-japanese-speed-blackjack-j?window=90d) [All](https://gambatracker.com/slots/stake-japanese-speed-blackjack-j?window=all) | # | Casino | Observed RTP | Official | Dev. | Bets | Wagered | | --- | --- | --- | --- | --- | --- | --- | | 1 | [Stake](https://gambatracker.com/casinos/stake) | 101.94% ±21.4 | — | — | 118 bets · below min | $24.4K | ## About Japanese Speed Blackjack J · from the figures on this page Japanese Speed Blackjack J is a Stake Originals game. Over the last 30 days we observed 257 bets on it at 1 casino, too few to measure its RTP over 30 days. Its highest multiplier in the last 30 days was 7.33x. The biggest win we saw on it paid $5,867 (3.25x) at Stake on 5 Nov 2026. Over the last 30 days it was played most, by wager, at Stake. ## More from Stake Originals · 30 days, by observed wagering [Studio →](https://gambatracker.com/providers/stake-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