Editorial only. Margin trading involves substantial risk of loss.
mafinance.xyz is an educational reference. The margin-trading calculator is a methodology tool, not a substitute for engaged regulated advice on your specific positions or for the FINRA-required margin disclosure provided by your broker.
[01]No investment advice
The calculations on this site are illustrative margin-and-leverage arithmetic, not personalised investment recommendations. Nothing on mafinance.xyz constitutes investment advice within the meaning of the SEC Investment Advisers Act, the CFTC’s rules on commodity-trading advisors, MiFID II, or comparable foreign regimes. For specific investment decisions on your account, consult a registered investment advisor (RIA), commodity-trading advisor (CTA), or your broker’s licensed registered representative.
[02]Margin and leverage risks
Trading on margin amplifies both gains and losses. Specific risks include:
- Loss of more than initial deposit. A position with sufficient leverage and an adverse market move can result in account equity below zero, leaving the trader owing the broker.
- Forced liquidation. Brokers may liquidate positions without contacting you when maintenance-margin requirements are not met.
- Margin call cash demand. Brokers may demand additional cash on short notice, often requiring delivery within 1–3 business days.
- Interest cost erosion. Margin loans accrue interest daily; long-hold leveraged positions may produce realized losses solely from interest cost even before underlying P/L.
- Concentration risk. Brokers may impose elevated maintenance requirements (or refuse margin entirely) on concentrated, low-priced, or high-volatility positions, narrowing the survival window.
[03]Limitations of the model
The calculator computes margin metrics under simplified assumptions: a single position, a single instrument class (equity by default), constant initial and maintenance margin percentages, and constant interest rate over the hold period. It does not capture: SPAN-based margining for futures (which is risk-based, not strategy-based, and computed daily), portfolio-margin offsets between correlated positions, options-margin special rules under FINRA Rule 4220, or broker-specific concentration adjustments. The figures are illustrative; your broker’s actual margin requirements may differ.
[04]No guarantee of accuracy
Although the calculator has been reviewed by a CFA charterholder and FRM certificant and tested against worked examples in the GARP FRM Part II curriculum and the FINRA Rule 4210 official guidance, software contains bugs and editorial content contains errors. If you spot a discrepancy, write to the editorial desk via the contact page; calculation discrepancies are prioritised and resolved within five business days where reproducible.
[05]Third-party content
Where we reference FINRA, the SEC, the CFTC, the Federal Reserve, GARP, the CFA Institute, CME Group, or other third parties, those references are for informational purposes; we are not affiliated with, endorsed by, or sponsored by them unless explicitly stated. Outbound links to third-party websites are provided as a convenience; mafinance.xyz is not responsible for the content or privacy practices of those sites.
[06]Limitation of liability
To the fullest extent permitted by law, the editorial team and reviewer expressly disclaim liability for any direct, indirect, incidental, consequential, or punitive damages arising from use of, or inability to use, mafinance.xyz, including but not limited to trading losses, margin calls, forced liquidations, missed opportunities, or position-sizing decisions made in reliance on calculator output.
[07]Jurisdiction
This disclaimer is governed by the laws of the State of Illinois, USA. Disputes shall be submitted to the exclusive jurisdiction of the courts of Cook County, Illinois, save where mandatory consumer-protection or arbitration law of your habitual residence requires otherwise.