Before embarking on OPM, the following are very important knowledge:
1. What happens when things go wrong: Bankruptcy laws
https://www.judiciary.gov.sg/civil/bankruptcy
2. How a creditor initiates bankruptcy proceedings against a debtor: statutory demand
https://www.judiciary.gov.sg/civil/serve-statutory-demand-on-debtor
Next, for OPM with banks, one needs to understand when the recall on loan occurs:
Read through the bank's terms and conditions. Each bank has their own.
Example - OCBC:
https://www.ocbc.com/iwov-resources/sg/ocbc/personal/pdf/loans/tncs-governing-mortgage-loans.pdf
Pg 2 to 4.
2.1
We have the right to review the facility from time to time. Following our review, we have the right to:
2.1.1
ask you to repay all or part of the money you owe on the facility;
2.1.2 change the terms and conditions of, or reduce or restructure the facility (including, but not limited to, changing the currency or date of a withdrawal or release of any part of the facility or of any repayment or payment due from you); or
2.1.3 cancel any part of the facility.
We do not have to give you notice or ask for your permission before doing any of the above. Nothing in this agreement or the security document places any obligation on us to provide or continue to provide the facility to you.
3.4.8 There are
no legal proceedings, suits or actions of any kind (whether criminal or civil) against you, the guarantor or any related companies.
3.4.9 There is no bankruptcy, judicial management (see 11.1.6) under Section 227A of the Companies Act (Cap. 50) or winding-up (whether voluntary or compulsory) application, proceedings or order made against you,
3.4.11
You have not broken, and will not break, any of the terms of this agreement (see clause 11).
For OPM with stock brokers, basically it boils down to margin changes.
100% margin means no loan. <100% margin = partial loan
When margin limits are INCREASED?
1. Portfolio goes below certain threshold
2. Changes in personal financial declarations
3. Increased market volatility
Example - Interactive Brokers Margin requirements:
https://www.interactivebrokers.com.sg/en/trading/margin-requirements.php
IBKR SG client agreement:
https://gdcdyn.interactivebrokers.com/Universal/servlet/Registration_v2.formSampleView?formdb=4544
IB may
modify margin requirements for any or all clients for any open or new positions at any time, in IB’s sole discretion
without prior notice. Client shall monitor his, her or its Account so that
at all times the Account contains sufficient Margin Deposit to meet Margin Requirements.
Client shall maintain, without notice or demand by IB, sufficient Margin Deposit in Client’s account at all times to continuously meet Margin Requirements.
Formulas for calculating Margin Requirements on the IB website are indicative only and may not reflect actual Margin Requirements, which can
change rapidly depending on market conditions.
IB is not obligated to notify Client of any failure to meet Margin Requirements prior to IB exercising its rights under this Agreement. IB generally will not issue margin calls or credit Client's Account to meet intraday or overnight margin deficiencies.
IB is authorised (but not required to) to liquidate Account positions in order to satisfy Margin Requirements without prior notice.