Mox FlexiBoost: 120-Day High-Interest Savings, Up to 3.1% HKD / 3.5% USD
Mox FlexiBoost is a 120-day high-interest savings promotion funded with eligible new money, with rates stepping up every 30 days. The current official page shows HKD rates rising from 2.6% to 3.1% p.a. and USD rates from 3.3% to 3.5% p.a. Actual promotional rates are those shown in the Mox App when you join.
OfferSee offer detailsSee terms and conditionsLast checked：30/09/2026, 13:08
Offer validityFlexiBoost is currently available and the official page does not state a fixed end date. Promotional rates may change with market conditions; the Mox App rate at enrolment applies.
Eligible products / bundles
- HKD: first 30 days 2.6% → days 31–60 2.7% → days 61–90 2.8% → days 91–120 3.1% p.a.
- USD: first 30 days 3.3% → days 31–60 3.4% → days 61–90 3.4% → days 91–120 3.5% p.a.
How to redeem
- Update the Mox App, then go to View Accounts → Accounts and open the FlexiBoost promotion.
- Tap Join Now, enter the amount of eligible new money to place in FlexiBoost and confirm.
- The amount is placed in the FlexiBoost savings account and earns interest under the promotional terms shown at enrolment.
Eligibility and conditions
- Membership requirement
- You must be an eligible Mox customer and join FlexiBoost using funds that meet Mox's definition of new money.
- Card requirement
- Mox Bank
- Payment methods
- Not specified
Locations and channels
Mox App
Offer validity
FlexiBoost is currently available and the official page does not state a fixed end date. Promotional rates may change with market conditions; the Mox App rate at enrolment applies.
Hong Kong time · booking / redemption periodClaim period：The FlexiBoost promotion lasts 120 days, divided into four 30-day interest-rate periods.
Terms and conditions
- FlexiBoost must be funded with eligible new money as defined in the official FlexiBoost terms and the Mox App.
- The promotion runs for 120 days with four 30-day rate periods for HKD and USD. Actual rates are those displayed in the Mox App when the customer joins.
- Mox states that deposits held in the FlexiBoost account do not receive its standard savings rate or other additional savings rates.
- Deposit rates may change with market conditions. Review the Mox App and latest terms before joining.