Bet the same number of points on jackpot slots and on sports in a single day, and MB66 pays you two different cashback rates for it. That is not a rounding error — it is built into the Instant Cashback promotion (code HT01), and the gap widens the more you bet.
Why MB66 pays a different cashback rate per category
Open the Instant Cashback Without Betting Requirements promotion on MB66 and you will find one shared table split across seven categories: Jackpot-Fishing, Card Games, Casino, Sports, E-Sports, Cockfighting, and Lottery. Each has its own rate, and six of the seven climb as your daily valid bet volume grows.
At the lowest bet tier, the gap looks small. By the higher tiers, it is not.
How instant cashback actually works
The biggest difference between HT01 and most other MB66 promotions: there is no wagering requirement. Bet 1 point or more, win or lose, and you have a shot at cashback, and the points you receive are withdrawable right away.
On mobile, tap the Cashback icon in your account to see your total bets and the refund amount, then tap Claim. On desktop, the red Cashback envelope running across the screen leads to the same action. Both routes require at least 1,000 VND in accumulated valid bets before you can register a claim, and there is no cap on how many times you claim per day.
If you do not claim your instant cashback, it is not lost — it automatically rolls into "daily cashback," credited evenly to your account the next day between 1:00 PM and 1:59 PM Vietnam time. Valid bet turnover is tracked separately per lobby and per game type.
The full HT01 instant cashback table
| Valid bet (points) | Jackpot-Fishing | Card Games | Casino | Sports | E-Sports | Cockfighting | Lottery |
|---|---|---|---|---|---|---|---|
| 1+ | 1.30% | 0.90% | 0.40% | 0.60% | 0.60% | 0.60% | 0.20% |
| 1,000,000+ | 1.40% | 1.00% | 0.45% | 0.70% | 0.70% | 0.70% | 0.20% |
| 5,000,000+ | 1.50% | 1.10% | 0.50% | 0.80% | 0.80% | 0.80% | 0.20% |
| 10,000,000+ | 1.60% | 1.20% | 0.60% | 0.90% | 0.90% | 0.90% | 0.20% |
| 50,000,000+ | 1.80% | 1.30% | 0.70% | 1.00% | 1.00% | 1.20% | 0.20% |
| 100,000,000+ | 2.00% | 1.50% | 0.80% | 1.20% | 1.20% | 1.50% | 0.20% |
Tiers reset daily, closing at 23:59 and starting again at 00:00. Remember: 1 point = 1,000 VND.
Jackpot-fishing and card games pull ahead as bets grow
At the 1-point floor, jackpot slots and fish shooter already sit above casino and lottery — 1.30% versus 0.40% and 0.20%. Bet 1,000,000 points in a day on this category and you get 13,000 points back, win or lose that round.
By the 100,000,000-point tier, Jackpot-Fishing hits 2.00%, worth 2,000,000 points on the same volume — 2.5 times the casino rate (0.80%) and 10 times the lottery rate (0.20%). Card games trail close behind at 1.50% at the top tier, only 0.50 percentage points under Jackpot-Fishing.
Lottery sits outside the race, and cockfighting overtakes sports
Lottery is the only category in the HT01 table that never scales with volume — it stays fixed at 0.20% from the 1-point floor all the way to the 100,000,000-point tier. Sports and e-sports both climb steadily but top out at 1.20% at the highest tier.
Cockfighting follows a different curve: it starts level with sports and e-sports at the lower tiers (0.60% → 0.90%), but from the 50,000,000-point tier onward it jumps to 1.20%, then 1.50% at the top — passing both sports and e-sports, landing just behind card games at the highest bracket. If you bet cockfighting at volume, it climbs faster than any category other than Jackpot-Fishing.
A worked example: splitting one day between slots and sports
Say a Tuesday session lands 10,000,000 points on jackpot slots and another 10,000,000 points on sports, all inside the same 00:00–23:59 window. MB66 does not blend these two totals — each category is judged only against its own row on the table.
At the 10,000,000-point tier, Jackpot-Fishing pays 1.60%, worth 160,000 points. Sports at the same tier pays 0.90%, worth 90,000 points. Combined, the day earns 250,000 points, withdrawable with no wagering requirement.
Had the full 20,000,000 points gone into Jackpot-Fishing alone that same day, the volume would still sit inside the 10,000,000+ bracket (short of the 50,000,000+ threshold), so the rate stays at 1.60% — but applied to the full 20,000,000 points, that is 320,000 points. The 70,000-point difference, worth 70,000,000 VND, comes purely from the category mix, not from betting more overall.
A second example: stacking bets in one day to cross a tier
Tier thresholds also matter when you spread the same volume across multiple days. Betting 60,000,000 points on Jackpot-Fishing in a single day crosses into the 50,000,000+ bracket, hitting 1.80% — worth 1,080,000 points.
Split into two days of 30,000,000 points each, both days sit inside the 10,000,000+ bracket (short of 50,000,000+), so each day only earns 1.60%, worth 480,000 points per day — 960,000 points total across the two days. Stacking the bet into one day earns 120,000 points more, worth 120,000,000 VND, than spreading the identical total across two.
How it compares to MB66's other promotions
Having no wagering requirement makes HT01 faster to withdraw than almost any other MB66 promotion. For comparison, the 5% Friday deposit bonus (code NTT6) requires 3 betting rounds before you can withdraw, and the VIP level-up bonus (code NTVIP01) can require up to 3 rounds depending on the reward tier. If a fast withdrawal is your priority, instant cashback is the lightest option in MB66's promotions lineup.
Does MB66 instant cashback have a wagering requirement?
No. This is the biggest difference from most other MB66 promotions — cashback points are withdrawable immediately, with no turnover requirement attached.
How fast does instant cashback land in the account?
Within about a minute of the bet settling, if you claim it yourself. If you do not claim it, the amount rolls into "daily cashback" and is credited evenly the next day between 1:00 PM and 1:59 PM Vietnam time.
Why does lottery only pay 0.2% no matter how much I bet?
In the HT01 table, lottery is the only category that stays fixed at 0.2% at every bet tier. The other six categories all scale up as your daily valid bet volume grows; lottery does not.
Is cockfighting included in this instant cashback table?
Yes. Cockfighting sits in the same HT01 table as sports, e-sports, casino, card games, and jackpot-fishing. From the 50,000,000-point tier upward, cockfighting actually overtakes both sports and e-sports.
Do jackpot slots and fish shooter share one rate?
Yes. MB66 combines jackpot slots and fish shooter into a single "Jackpot-Fishing" column in the HT01 table, rather than splitting them into two separate rates the way some other operators do.
How does claiming instant cashback differ on mobile versus desktop?
On mobile, tap the Cashback icon in your account, then tap Claim. On desktop, click the red Cashback envelope running on screen, then click Claim. Both require at least 1,000 VND in accumulated valid bets before you can register a claim.
Which bets do not count toward instant cashback?
Rule violations, canceled tickets, draws, and counter-betting are all excluded from the valid bet turnover used to calculate HT01 cashback.
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