Duel versus Whale.io: edge, rakeback, cashback
Duel and Whale.io publish different maths. On 18 October 2026 Duel said originals have 0 house edge inside a $1,000 bet and $50,000 a day, then 0.1% above that, and that slots and live games return 50% of the house edge when the bet is placed. Whale.io publishes cashback up to 25% of net loss, plus weekly and monthly rewards. Neither product returns the full loss.
Provably fair check 100% RTP cap 50% rakeback Duel.com
| Item | Duel | Whale.io |
|---|---|---|
| Originals | 0 house edge inside a $1,000 bet and $50,000 a day. Above that, 0.1%. Duel, 18 October 2026. | Cashback is a share of a loss that already includes an edge. This site does not claim 100% RTP on Whale originals. |
| Slots and live | 50% of the house edge, when the bet is placed. The stake stays spent. | Up to 25% of net loss, plus weekly and monthly rewards. |
| Full loss returned | No. | No. |
| Check on this site | Dice HMAC only. Other Duel games are not computed here. | Whale's own checker. This dice form is Duel's formula. |
| Operator | Immortal Snail LLC, Nevis, L22982, Anjouan ALSI-202411026-FI1. Terms updated 6 October 2026. | Whale Operations Ltd, Seychelles, company 222756, Anjouan ALSI-202503012-FI1. |
Where Duel's published number is stronger
On originals inside the cap, Duel publishes an edge of 0. Whale's cashback is a share of a loss that already includes an edge. We do not claim Whale originals are 100% RTP. On slots, Duel publishes half the edge at the time of the bet. Whale publishes up to a quarter of net loss on a schedule.
Where Whale's published number is the one to read
If you want a share of net loss after the session, Whale's figure is the one on the table: up to 25%, plus weekly and monthly rewards. That is a different contract from a per-bet edge rebate. Read the rate in the Whale rewards screen before you treat 25% as your rate.
Operator lines we can actually source
Whale Operations Ltd, Seychelles, company 222756, Anjouan licence ALSI-202503012-FI1. Duel's terms, updated 6 October 2026, name Immortal Snail LLC, Nevis, company L22982, Anjouan ALSI-202411026-FI1.
FAQ
Which one returns the whole loss?
Neither. Duel pays a share of the edge. Whale pays a share of net loss, up to 25%.
Which originals line is 0 edge?
Duel's, inside the $1,000 bet and $50,000 a day cap. Above that, Duel says 0.1%.
Is 25% your Whale rate?
Whale publishes up to 25% of net loss. The rewards screen shows the rate on the account.