---
title: "Grand Japanese Speed Blackjack: RTP & biggest wins"
description: "Grand Japanese Speed Blackjack by Evolution: observed RTP 100.89% over 1,123 bets in 30 days vs 99.29% official. Biggest win $60K (2.00x) at Roobet."
url: https://gambatracker.com/slots/grand-japanese-speed-blackjack
rendered: 2026-11-12T15:47Z
---

Grand Japanese Speed Blackjack

[Slots](https://gambatracker.com/slots) / Grand Japanese Speed Blackjack

# Grand Japanese Speed Blackjack · live

[Evolution](https://gambatracker.com/providers/evolution) played on 4 casinos we read official RTP 99.29%

[Compare](https://gambatracker.com/slots/compare?a=grand-japanese-speed-blackjack)

[24h](https://gambatracker.com/slots/grand-japanese-speed-blackjack?window=24h) [7d](https://gambatracker.com/slots/grand-japanese-speed-blackjack?window=7d) [30d](https://gambatracker.com/slots/grand-japanese-speed-blackjack) [90d](https://gambatracker.com/slots/grand-japanese-speed-blackjack?window=90d) [All](https://gambatracker.com/slots/grand-japanese-speed-blackjack?window=all)

## Observed RTP vs official · paid ÷ wagered over the sampled bets, with a 95% band

24h · 102.88% ±26.6 · 74 bets —

7d · 97.88% ±8.02 · 811 bets —

30d · 100.89% ±7.02 · 1,123 bets +0.4σ

90d · 100.89% ±7.02 · 1,123 bets +0.4σ

All · 100.89% ±7.02 · 1,123 bets +0.4σ

Per casino, 30d

[Roobet](https://gambatracker.com/casinos/roobet) · 604 bets · below min

[BC.Game](https://gambatracker.com/casinos/bcgame) · 518 bets · below min

[Gamdom](https://gambatracker.com/casinos/gamdom) · 1 bets · below min

-0.5% 59.3% 119.0%

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**: 1,360
- **Wagered**: $3.57M
- **Paid**: $4.32M
- **Max multiplier**: 5.17x
- **Max payout**: $60K

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

[Acebet](https://gambatracker.com/casinos/acebet) acebet:slots.houseEdge 99.29%

[Chips](https://gambatracker.com/casinos/chips) chips:game.rtp 99.29%

[Gamdom](https://gambatracker.com/casinos/gamdom) gamdom:rtp\_override 99.29%

[Spartans](https://gambatracker.com/casinos/spartans) spartans:games.rtp 99.29%

[Whale.io](https://gambatracker.com/casinos/whale) whale:game.rtp 99.29%

## Multiplier distribution · 30d, sampled bets

1,144 sampled spins, 63% 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 1,144 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

[BC.Game](https://gambatracker.com/casinos/bcgame) $1.85M 518 bets · 68%

[Roobet](https://gambatracker.com/casinos/roobet) $847K 604 bets · 31%

[Gamdom](https://gambatracker.com/casinos/gamdom) $4,700 1 bets · 0%

## 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: 4 bets, $2,400 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: 15 bets, $43.2K wagered Mon 08:00–09:00 UTC: 37 bets, $95.8K wagered Mon 09:00–10:00 UTC: 15 bets, $55.5K wagered Mon 10:00–11:00 UTC: 5 bets, $13K 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: 25 bets, $159K 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: 0 bets, $0 wagered Mon 18:00–19:00 UTC: 3 bets, $1,770 wagered Mon 19:00–20:00 UTC: 0 bets, $0 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: 40 bets, $26.5K wagered Tue 01:00–02:00 UTC: 12 bets, $8,500 wagered Tue 02:00–03:00 UTC: 0 bets, $0 wagered Tue 03:00–04:00 UTC: 0 bets, $0 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, $600 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: 14 bets, $10.5K wagered Tue 10:00–11:00 UTC: 17 bets, $66.4K wagered Tue 11:00–12:00 UTC: 0 bets, $0 wagered Tue 12:00–13:00 UTC: 0 bets, $0 wagered Tue 13:00–14:00 UTC: 0 bets, $0 wagered Tue 14:00–15:00 UTC: 0 bets, $0 wagered Tue 15:00–16:00 UTC: 0 bets, $0 wagered Tue 16:00–17:00 UTC: 0 bets, $0 wagered Tue 17:00–18:00 UTC: 0 bets, $0 wagered Tue 18:00–19:00 UTC: 30 bets, $83.9K wagered Tue 19:00–20:00 UTC: 25 bets, $76.6K wagered Tue 20:00–21:00 UTC: 3 bets, $5,504 wagered Tue 21:00–22:00 UTC: 0 bets, $0 wagered Tue 22:00–23:00 UTC: 14 bets, $41.4K wagered Tue 23:00–00:00 UTC: 64 bets, $59.3K wagered Wed Wed 00:00–01:00 UTC: 19 bets, $17.5K 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: 45 bets, $168K wagered Wed 06:00–07:00 UTC: 39 bets, $133K wagered Wed 07:00–08:00 UTC: 25 bets, $111K wagered Wed 08:00–09:00 UTC: 17 bets, $47.4K wagered Wed 09:00–10:00 UTC: 0 bets, $0 wagered Wed 10:00–11:00 UTC: 22 bets, $140K wagered Wed 11:00–12:00 UTC: 1 bets, $4,003 wagered Wed 12:00–13:00 UTC: 0 bets, $0 wagered Wed 13:00–14:00 UTC: 31 bets, $115K 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: 0 bets, $0 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: 6 bets, $4,000 wagered Wed 22:00–23:00 UTC: 2 bets, $2,000 wagered Wed 23:00–00:00 UTC: 0 bets, $0 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: 1 bets, $1,000 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: 21 bets, $61.5K wagered Thu 07:00–08:00 UTC: 44 bets, $209K wagered Thu 08:00–09:00 UTC: 3 bets, $2,975 wagered Thu 09:00–10:00 UTC: 26 bets, $85.7K wagered Thu 10:00–11:00 UTC: 11 bets, $44.6K wagered Thu 11:00–12:00 UTC: 6 bets, $17K wagered Thu 12:00–13:00 UTC: 5 bets, $52.9K wagered Thu 13:00–14:00 UTC: 13 bets, $44.8K wagered Thu 14:00–15:00 UTC: 3 bets, $13.6K wagered Thu 15:00–16:00 UTC: 0 bets, $0 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: 21 bets, $18.8K 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: 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: 28 bets, $75.8K wagered Fri 09:00–10:00 UTC: 15 bets, $96.4K wagered Fri 10:00–11:00 UTC: 0 bets, $0 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: 65 bets, $79.4K wagered Fri 18:00–19:00 UTC: 19 bets, $25.5K wagered Fri 19:00–20:00 UTC: 0 bets, $0 wagered Fri 20:00–21:00 UTC: 1 bets, $1,502 wagered Fri 21:00–22:00 UTC: 0 bets, $0 wagered Fri 22:00–23:00 UTC: 6 bets, $19.5K wagered Fri 23:00–00:00 UTC: 0 bets, $0 wagered Sat Sat 00:00–01:00 UTC: 32 bets, $33.5K 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: 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: 13 bets, $43.6K wagered Sat 07:00–08:00 UTC: 12 bets, $38.6K wagered Sat 08:00–09:00 UTC: 2 bets, $4,904 wagered Sat 09:00–10:00 UTC: 5 bets, $12.2K wagered Sat 10:00–11:00 UTC: 38 bets, $148K wagered Sat 11:00–12:00 UTC: 1 bets, $3,203 wagered Sat 12:00–13:00 UTC: 7 bets, $14.3K 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: 29 bets, $160K wagered Sat 16:00–17:00 UTC: 3 bets, $1,893 wagered Sat 17:00–18:00 UTC: 13 bets, $16.8K wagered Sat 18:00–19:00 UTC: 17 bets, $51.8K wagered Sat 19:00–20:00 UTC: 4 bets, $10.9K 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: 0 bets, $0 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: 23 bets, $25.5K wagered Sun 03:00–04:00 UTC: 109 bets, $181K wagered Sun 04:00–05:00 UTC: 98 bets, $150K wagered Sun 05:00–06:00 UTC: 49 bets, $96.5K wagered Sun 06:00–07:00 UTC: 16 bets, $39.8K wagered Sun 07:00–08:00 UTC: 4 bets, $11.6K wagered Sun 08:00–09:00 UTC: 4 bets, $9,610 wagered Sun 09:00–10:00 UTC: 12 bets, $24.2K wagered Sun 10:00–11:00 UTC: 13 bets, $39K wagered Sun 11:00–12:00 UTC: 0 bets, $0 wagered Sun 12:00–13:00 UTC: 22 bets, $77.8K wagered Sun 13:00–14:00 UTC: 0 bets, $0 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: 0 bets, $0 wagered Sun 17:00–18:00 UTC: 0 bets, $0 wagered Sun 18:00–19:00 UTC: 0 bets, $0 wagered Sun 19:00–20:00 UTC: 0 bets, $0 wagered Sun 20:00–21:00 UTC: 14 bets, $31.9K wagered Sun 21:00–22:00 UTC: 1 bets, $2,002 wagered Sun 22:00–23:00 UTC: 0 bets, $0 wagered Sun 23:00–00:00 UTC: 0 bets, $0 wagered

by hour

Busiest hour: Sun 03:00–04:00 UTC with 109 bets; busiest time of day: 03:00–04:00 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

[Roobet](https://gambatracker.com/casinos/roobet) [Grand Japanese Speed Blackjack Evolution](https://gambatracker.com/slots/grand-japanese-speed-blackjack) [Clausthaler](https://gambatracker.com/players/roobet/Clausthaler) $30K 30,000 USD $60K edge 0.7% · exp. −$213 2.00x 2026-11-05 12:46 UTC

[Roobet](https://gambatracker.com/casinos/roobet) [Grand Japanese Speed Blackjack Evolution](https://gambatracker.com/slots/grand-japanese-speed-blackjack) [kingkawaii23954](https://gambatracker.com/players/roobet/kingkawaii23954) $30K 30,000 USD $60K edge 0.7% · exp. −$213 2.00x 2026-11-11 10:10 UTC

[BC.Game](https://gambatracker.com/casinos/bcgame) [Grand Japanese Speed Blackjack Evolution](https://gambatracker.com/slots/grand-japanese-speed-blackjack) [Ukidahblbxcc](https://gambatracker.com/players/bcgame/Ukidahblbxcc) $24.4K 293.86 SOL $47.6K edge 0.7% · exp. −$173 1.96x 2026-11-12 07:50 UTC

[BC.Game](https://gambatracker.com/casinos/bcgame) [Grand Japanese Speed Blackjack Evolution](https://gambatracker.com/slots/grand-japanese-speed-blackjack) [Ukidahblbxcc](https://gambatracker.com/players/bcgame/Ukidahblbxcc) $20K 20,018 USDT $47K edge 0.7% · exp. −$142 2.35x 2026-11-11 07:04 UTC

[BC.Game](https://gambatracker.com/casinos/bcgame) [Grand Japanese Speed Blackjack Evolution](https://gambatracker.com/slots/grand-japanese-speed-blackjack) [Ukidahblbxcc](https://gambatracker.com/players/bcgame/Ukidahblbxcc) $18.5K 18,503 USDC $33.6K edge 0.7% · exp. −$131 1.81x 2026-11-02 12:45 UTC

[BC.Game](https://gambatracker.com/casinos/bcgame) [Grand Japanese Speed Blackjack Evolution](https://gambatracker.com/slots/grand-japanese-speed-blackjack) [Ukidahblbxcc](https://gambatracker.com/players/bcgame/Ukidahblbxcc) $15.5K 15,502 USDC $27K edge 0.7% · exp. −$110 1.74x 2026-11-02 12:44 UTC

[BC.Game](https://gambatracker.com/casinos/bcgame) [Grand Japanese Speed Blackjack Evolution](https://gambatracker.com/slots/grand-japanese-speed-blackjack) [Ukidahblbxcc](https://gambatracker.com/players/bcgame/Ukidahblbxcc) $10K 10,000 USDC $25.5K edge 0.7% · exp. −$71.07 2.55x 2026-11-09 09:25 UTC

[BC.Game](https://gambatracker.com/casinos/bcgame) [Grand Japanese Speed Blackjack Evolution](https://gambatracker.com/slots/grand-japanese-speed-blackjack) [Ukidahblbxcc](https://gambatracker.com/players/bcgame/Ukidahblbxcc) $10.6K 10,617 USDT $20.2K edge 0.7% · exp. −$75.38 1.91x 2026-11-10 18:08 UTC

[BC.Game](https://gambatracker.com/casinos/bcgame) [Grand Japanese Speed Blackjack Evolution](https://gambatracker.com/slots/grand-japanese-speed-blackjack) [Ukidahblbxcc](https://gambatracker.com/players/bcgame/Ukidahblbxcc) $10.5K 10,486 USDC $20.2K edge 0.7% · exp. −$74.52 1.92x 2026-11-02 13:49 UTC

[BC.Game](https://gambatracker.com/casinos/bcgame) [Grand Japanese Speed Blackjack Evolution](https://gambatracker.com/slots/grand-japanese-speed-blackjack) [Ukidahblbxcc](https://gambatracker.com/players/bcgame/Ukidahblbxcc) $10.1K 10,050 USDC $20.1K edge 0.7% · exp. −$71.43 2.00x 2026-11-06 09:02 UTC

## Live RTP by casino · 30d, refreshes on reload

[24h](https://gambatracker.com/slots/grand-japanese-speed-blackjack?window=24h) [7d](https://gambatracker.com/slots/grand-japanese-speed-blackjack?window=7d) [30d](https://gambatracker.com/slots/grand-japanese-speed-blackjack) [90d](https://gambatracker.com/slots/grand-japanese-speed-blackjack?window=90d) [All](https://gambatracker.com/slots/grand-japanese-speed-blackjack?window=all)

| # | Casino | Observed RTP | Official | Dev. | Bets | Wagered |
| --- | --- | --- | --- | --- | --- | --- |
| 1 | [Roobet](https://gambatracker.com/casinos/roobet) | 105.67% ±12.9 | — | — | 604 bets · below min | $847K |
| 2 | [BC.Game](https://gambatracker.com/casinos/bcgame) | 98.96% ±8.26 | — | — | 518 bets · below min | $1.85M |
| 3 | [Gamdom](https://gambatracker.com/casinos/gamdom) | 0.00% ±0.00 | 99.29% | — | 1 bets · below min | $4,700 |

## About Grand Japanese Speed Blackjack · from the figures on this page

Grand Japanese Speed Blackjack is a Evolution live casino game. Over the last 30 days we observed 1,123 bets on it at 4 crypto casinos, returning 100.89% (95% band 93.87%–107.91%) against an official RTP of 99.29%. Its highest multiplier in the last 30 days was 5.17x. The biggest win we saw on it paid $60K (2.00x) at Roobet on 5 Nov 2026. Over the last 30 days it was played most, by wager, at BC.Game, Roobet and Gamdom.

## More from Evolution · 30 days, by observed wagering

[Studio →](https://gambatracker.com/providers/evolution)

[Salon Privé Roulette](https://gambatracker.com/slots/salon-prive-roulette) $59.9M

[Roobet Prive Blackjack](https://gambatracker.com/slots/roobet-prive-blackjack) 97.54%

[Immersive Roulette](https://gambatracker.com/slots/immersive-roulette) 96.10%

[Crazy Time](https://gambatracker.com/slots/crazy-time) 106.31%

[Bac Bo](https://gambatracker.com/slots/bac-bo) 94.66%

[Roobet VIP Blackjack](https://gambatracker.com/slots/roobet-vip-blackjack) 99.25%

[Lightning Roulette](https://gambatracker.com/slots/lightning-roulette) 94.26%

[Speed Baccarat A](https://gambatracker.com/slots/speed-baccarat-a) 96.04%

Compare with

- [Salon Privé Roulette](https://gambatracker.com/slots/compare/grand-japanese-speed-blackjack-vs-salon-prive-roulette)
- [Roobet Prive Blackjack](https://gambatracker.com/slots/compare/grand-japanese-speed-blackjack-vs-roobet-prive-blackjack)
- [Immersive Roulette](https://gambatracker.com/slots/compare/grand-japanese-speed-blackjack-vs-immersive-roulette)
- [Crazy Time](https://gambatracker.com/slots/compare/crazy-time-vs-grand-japanese-speed-blackjack)

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