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Longbridge September 2025: Up to 12% Interest Boost + S$18 Cash + Free Shares (My Actual Returns & Strategy Revealed)

From 1 to 30 September 2025, Longbridge is once again rolling out its usual goodies — lifetime zero-commission trading on US, HK, and SG stocks, free real-time LV1 quotes, and platform fee vouchers, with extra rewards if you deposit more. Popular picks like NVIDIA (NVDA)Apple (AAPL), and Google (GOOGL) are included this round. And as usual, if you sign up through the exclusive link, you’ll score an extra S$18 cash voucher plus a 6% interest boost on Cashplus, giving you a total of 12% interest boost.

My Actual Returns from April’s Promo:​

Back in April, I mentioned that I had set aside some spare funds here for investment. At the time, I estimated all the rewards to be worth about S$349. Fast forward to now, I’ve actually received the rewards—including 1 Apple share—currently valued at S$396.57 (as of 5 Sept 2025). Based on my earlier projections, the expected annualized return was around 14% p.a., but the actual figure has come in at 16.88% p.a.—which is a very solid outcome.

Step-by-Step Guide To Sign Up For Rewards:

1. Sign Up for an Account via the link above:

  • Only available for Singapore residents who have not opened an LBSG account before
  • Lifetime Zero commission fee on US/HK/SG stocks
  • Free real-time LV1 quotes for HK/SG markets

Do ensure that you have activated the lifetime commission-free for HK, US, and SG Stocks before doing any trades

You can find it under “My Coupons”:

 

2. Fund Your Account with S$2,000, S$10,000 or S$100,000 (Non-Stackable Rewards)

These deposit rewards are only available via this exclusive link — they will not apply if you sign up directly on the Longbridge website.

Criteria
Reward
Reward Value
Deposit S$2,000
Receive S$18 Cash Voucher (Exclusive!)
S$18
Receive 6% Interest Boost Coupon* up to S$2,000 for 90 days (Exclusive!)
up to S$30 
6% Interest Boost Coupon* for 90 Days
up to S$30 
Maintain S$2,000 for 30 days + complete 3 buy trades^
0.5 NVDA share**
S$110
Deposit S$10,000
Receive S$18 Cash Voucher (Exclusive!)
S$18
Receive 6% Interest Boost Coupon* up to S$2,000 for 90 days (Exclusive!)
up to S$30 
6% Interest Boost Coupon* for 90 Days
up to S$30 
Maintain S$10,000 for 90 days + complete 5 buy trades^
1 AAPL Share**
S$270
Deposit S$100,000
Receive S$18 Cash Voucher (Exclusive!)
S$18
Receive 6% Interest Boost Coupon* up to S$2,000 for 90 days (Exclusive!)
up to S$30 
6% Interest Boost Coupon* for 90 Days
up to S$30 
Maintain S$100,000 for 90 days + complete 8 buy trades^
NVDA + AAPL + GOOGL Share**
S$780

*Applicable on deposits up to S$2,000— interest boost applies only to funds subscribed under Longbridge Cashplus (see below in dropdown)

^Buy trades must be in stocks or ETFs only. Yes, you can buy and sell immediately.

**NVIDIA, Apple, and Google share values are indicative and based on current market prices; actual amounts may vary

These rewards are non-stackable—you can only participate in one deposit tier (either S$2k or S$10k or S$100k), so choose the one that best suits your capital and holding period.

All deposit levels also receive:

  • US$150 Platform Fee Coupon for US Stocks x 3
  • S$150 Platform Fee Coupon for SG Stocks x 3
  • HK$1,500 Platform Fee Coupon for HK Stocks x 3

This is akin to have three months of discounted trading fees on the Longbridge platform.

Longbridge Cashplus is a cash management feature that invests your idle funds into Money Market Funds (MMFs). While not principal-guaranteed, these funds are designed with capital preservation in mind, aiming to deliver returns similar to or better than traditional savings accounts.

Currently, Cashplus offers two MMF options:

  • iFast SGD Enhanced Liquidity A SGD Acc (for SGD)
  • iFast USD Enhanced Liquidity USD A (for USD)

These funds invest in high-quality, short-term instruments—such as government and corporate bonds, commercial bills, and fixed deposits—with maturities of 397 days or less.

As of now, the 7-day annualised yield for SGD Acc stands at 2.1904%. This makes it a useful place to temporarily park funds while waiting for your target price to hit—once that happens, Longbridge automatically redeems the required amount to execute your trade.

Personally, I’ll be sticking with the SGD option to avoid any potential forex risk associated with the USD fund.

Other FAQs:
  • Singapore residents for this purpose is defined as: locals, PRs, those with valid work/employment pass holders (MOM-issued), individuals with a valid Singapore residential address.

Platform Fee Coupons:

  • The Platform Fee coupons can be found on the Longbridge App under Me > My Coupons and will be available within 3 working day upon meeting the criteria
  • Platform fee coupons apply automatically to eligible stock and ETF orders.
  • Maximum deduction per order:
    • US: US$1.5
    • HK: HK$15
    • SG: S$1.5
  • Each coupon is valid for a maximum of 100 orders and has its own validity period.
    • The 3 coupons per market are valid together for 3 months. Check individual coupon details for exact dates.

NVIDIA, Apple, & Google stocks:

  • This will be awarded as Stock Coupons, accessible in the Longbridge App under Me > My Coupons. Once the requirements are met, the coupon will be issued within 5 working days, and the corresponding stock will be credited to your account within 10 working days after you redeem it. Do note, if the coupon isn’t activated before it expires, the reward will be lost.

Interest Boost Coupon:

  • The interest boost coupon(s) will appear in your Longbridge App (Me > My Coupons) within 5 working days after you qualify. This coupon only works with Longbridge Cash Plus, which automatically invests your idle funds in money market funds to earn income. It takes around 3 days for the idle funds to be subscribed into CashPlus. The interest boost period of each coupon is 90 days, and is capped at up to S$2,000. Every 30 days, the bonus interest will be paid out in cash (SGD) to your account within about 3 working days.

S$18 Cash Coupon

  • The cash coupon will appear in your Longbridge App account under Me > My Coupons within 5 working days after you qualify.

What Stocks Did I Use To Make The Buy Trades?

For the buy trades, I initially used HK stocks in my own account, but later realised it was much simpler to trade Singapore stocks to avoid FX conversion losses. For my mom’s account, I bought and sold CapitaLand Investment (SGX: 9CI) and DBS (SGX: D05) within the same day at a small profit by scheduling and queuing for the buy and sell trades. Another option I would have used was the STI ETF (ES3.SI), which tracks the top 30 largest and most liquid companies on the SGX. Before executing these trades, I made sure my lifetime commission-free coupon (for HK, SG, and US stocks) and the platform fee vouchers were activated so that the trades would be offset.

What Is The Expected ROI?

If you complete the requirements — deposit S$2,000 for 90 days and make 3 buy trades — you’ll receive S$188. That works out to a 43.96% annualised ROI.

For a bigger deposit of S$10,000 with 5 buy trades, the expected return is about S$348, which translates to 14.88% annualised ROI.

At the highest tier, if you park S$100,000 with 8 buy trades, you’ll get S$858, giving you an annualised ROI of 3.53%.

💡 To enjoy these returns, make sure your funds are subscribed under Longbridge Cashplus. These rates are still much higher than what you’d find in any savings account today. 

Final Thoughts:

This Longbridge September promo offers some of the best short-term returns compared to regular bank savings or fixed deposits. If you’ve got excess funds waiting to be invested, the S$10,000 tier is the sweet spot — delivering ~14% annualised ROI, far higher than what you’ll find in high-yield savings accounts or money market funds. On top of that, you’ll also enjoy lifetime commission-free trades, bonus interest through Cashplus, and platform fee coupons for US, HK, and SG markets — all when you sign up through my exclusive link

author avatar
lobangsis

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lobangsis

Audz, your lobang sis shares personal finance to achieve happiness, prosperity and progress for us all.

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