New offers every day, cashback every week, and special promos on big matches — si6x members always have something to look forward to.
Offers currently available on si6x
A special offer for new members. Make your first deposit and get a 100% match bonus — from ৳500 up to ৳10,000. Deposit ৳1,000 and you start with ৳2,000 in total.
A losing week doesn't have to mean walking away empty-handed. Every Monday, 10% of your previous week's net losses is returned directly to your wallet — with no wagering requirements, so you can withdraw it straight away.
The offers don't stop when your Welcome Bonus runs out. Deposit every day on si6x and get a 30% reload bonus — that's an extra ৳300 on a ৳1,000 deposit, every single day.
During BPL, every winning cricket bet on si6x earns you a ৳200 free bet. Use it on any upcoming match. This offer runs throughout the entire BPL season.
Refer a friend or acquaintance to si6x. Once they register and complete their first deposit, ৳500 will be credited directly to your wallet. There's no limit on how many people you can refer.
If you enjoy Live Baccarat, Dragon Tiger, or Roulette, this bonus is made for you. Deposit into your casino wallet and get a 20% bonus — once every day.
Claiming a bonus on si6x is straightforward — just a few simple steps.
Register on si6x — the entire process takes just 2 minutes and is completely free.
Enter an active promo code in the "Promo Code" box during registration or on the deposit form. If you don't have a code, your bonus will be applied automatically.
Deposit a minimum of ৳500 and your Welcome Bonus will be credited automatically.
Log in and go to the "Bonus" tab to view your bonus amount and wagering progress.
Once you meet the required wagering amount, your bonus transfers to your main wallet and is ready to withdraw.
Grab these offers before they're gone
For 3 days before Eid and 3 days after — 6 days in total — get a 15% bonus cashback on any bet at si6x. This offer comes around just once a year.
Bet while watching the si6x live stream and earn ৳50 bonus points for every ৳1,000 wagered. Use your points to purchase free bets.
Place bets between 11 PM and 4 AM to earn an extra 5% bonus — every single day. It's si6x's special reward for catching those late-night matches.
On most online betting platforms, promotions usually mean one thing — a Welcome Bonus that's hard to claim and loaded with wagering requirements that leave little real value. si6x set out to change that. Our promotions are built with everyday Bangladeshi players in mind — those who play regularly, in smaller amounts, day after day.
The wagering requirement on si6x's Welcome Bonus is 15x — significantly lower than what most other platforms offer. Many sites set wagering requirements at 30x or 40x, which can be very difficult to clear in practice. At 15x on si6x, a ৳1,000 bonus means you need to wager a total of ৳15,000 — for anyone who regularly bets on cricket, that's easily achievable within a few weeks.
For many users, the weekly cashback offer is si6x's best feature — and it's easy to see why. There are no wagering requirements attached. The cash lands directly in your wallet every Monday morning, ready to withdraw instantly. A regular user from Mymensingh put it well: "It was a rough week — but getting that Monday cashback really lifted my spirits. That's what makes si6x different."
The Referral Program works because it's genuinely rewarding for both sides. The person referring gets ৳500, and the new member receives a Welcome Bonus. There's no cap on referrals at si6x — the more you spread the word among friends and family, the more you can earn every month.
Seasonal promotions at si6x are designed around Bangladesh's culture and sporting calendar. Extra cashback during Eid, cricket-specific free bets during BPL, special tournaments on Pohela Boishakh — these offers move in step with Bangladeshi festivals in a way most international platforms simply don't. si6x understands that Bangladeshi users want a platform that feels connected to their own country and culture.
One of the most common questions about promotions is: where do I find a promo code? On si6x, most bonuses are credited automatically — no code needed. That said, entering a code during special offers can unlock additional benefits. Check si6x's official social channels and Promotions page regularly to stay on top of active codes.
One thing worth keeping in mind — always read the terms before claiming any bonus. Every promotion page on si6x has the full terms written in Bengali, and the Help Centre is there to answer any questions. No hidden conditions — si6x believes in full transparency.
The more you play, the more you earn
| Tier | Monthly Wagering Requirement | Cashback | Daily Withdrawal Limit | Dedicated Manager | Birthday Bonus |
|---|---|---|---|---|---|
| Bronze | ৳0 – ৳24,999 | 5% | ৳50,000 | ||
| Silver | ৳25,000 – ৳99,999 | 8% | ৳1,50,000 | ||
| Gold | ৳1,00,000 – ৳4,99,999 | 12% | ৳5,00,000 | ||
| Diamond | ৳5,00,000+ | 15% | Unlimited |
What you get with a si6x bonus
Your bonus is credited to your Bonus Wallet within 2 minutes of your deposit.
Every bonus has its terms written clearly in Bengali — no fine print.
Track your wagering progress in real time — see exactly how much is left.
You can hold multiple active bonuses at once — each one is tracked separately.
You'll receive SMS and app notifications whenever new offers are available — so you never miss a thing.
For any bonus-related issues, get help in Bengali via 24/7 live chat.
Frequently Asked Questions About Promotions