Assess – Balance – Calibrate: Leveraging the ABC Score™ to Align Post-Issuance Practice with Sustainable Development Goals

Guest blog by Dr Radek Stech is Senior Academic, Exeter Law School, and Founder of Global Principles for Sustainable Securities Lending (Global PSSL) and the ABC Score™. Michael Stanley-Jones is Environmental Policy and Governance Fellow, United Nations University Institute for Water, Environment and Health (UNU-INWEH), and Senior Advisor on Communications and Networking at Global PSSL.


Increased private sector investment is needed to help fill the $4 trillion gap in annual SDG investment in emerging markets and developing economies  

Unlocking greater long-term investment in SDGs will require policies that promote the long-term development of capital markets and institutional investors. Global financial markets rely on confidence in the issuance of stocks, bonds and loans to finance sustainable economic growth. The post-issuance phase, which includes the use of proceeds in investment projects, the trading of securities after they are first issued, the management of loans and the safekeeping of assets, forms the vital liquidity engine of modern finance. Yet this phase often remains insufficiently governed, leading not only to systemic risks but also to losses that ultimately fall on beneficiaries such as pensioners, small and medium-sized enterprises (SMEs) and customers. These post issuance outcomes also shape the real economy, affecting market trust and the ability of finance to support sustainable development

As Global PSSL’s recent peer-reviewed report on green bond transparency showed that weak oversight can allow proceeds to be misused and credibility to be undermined. The report also highlighted deficiencies already identified by law and regulation, underscoring the systemic nature of the problem.

Such risks – whether in securities lending, fragmented collateral policies, or shareholder engagement – can erode both market integrity and the sustainability agenda. Building on this work, we are now preparing the Beyond Issuance reports, which will be issued in at least two parts over the coming months and will inform the further development of the ABC Score™. The ABC Score™ initiative aims to identify and address these vulnerabilities and to extend oversight beyond green bonds to the broader world of stocks and bonds in their post-issuance lifecycle.


Assess – Balance – Calibrate

In a rapidly changing financial world, ABC (Assess – Balance – Calibrate) is more than an abbreviation; it is a method for navigating the complexity of post-issuance markets. The ABC Score™ will help organisations assess market behaviours in real time; balance the often-competing interests of investors, issuers, and regulators, and calibrate their responses as conditions evolve. With the support of AI and advanced analytics, and with strong human oversight at every stage, this framework provides a way to continuously monitor secondary market practices and adjust governance in line with emerging risks and opportunities. In this way, the ABC Score aims to embed resilience into the very fabric of post-issuance finance.


Filling the Gap

The ABC Score™ initiative from Global Principles for Sustainable Securities Lending (Global PSSL) seeks to fill the gap in post-issuance financial oversight. The initiative draws on a growing group of financial advisors and fintech specialists working in risk management. Their combined expertise will help ensure the Score develops both as an analytically robust and credible investment opportunity.

In a field marked by conflicts of interest, our experience has shown that governance initiatives must remain impartial to succeed in the long term. That is why the ABC Score™ initiative will always be anchored in multi-stakeholder support, ensuring independence, transparency, and legitimacy.


Building Confidence through Peer Review

We place independent peer review at the heart of the ABC Score’s development. The initiative builds on the foundation of significant peer-reviewed funding from the UK’s Economic and Social Research Council (ESRC), part of UK Research and Innovation, through Exeter Law School. A key formal condition of that funding was to ensure independence and resist capture, which has been consistently delivered on since 2018. This independence has remained intact while being complemented by carefully targeted financial assistance from industry stakeholders.

Over the last few months, Global PSSL has secured several high-profile reviewers for its incoming Beyond Issuance reports, which will include additional draft metrics for the ABC Score™. These reviewers come from across the asset owner, financial advisory and fintech communities and bring the range of expertise needed for the next stage of our work. We have also secured a review from a senior official at the United Nations Environment Programme Finance Initiative.

The recent workshop, Beyond Issuance: Confronting Hidden Risks and Advancing Transparency in Capital Markets, held on October 16 in Washington DC, was a turning point. Key stakeholders encouraged us to continue developing the ABC Score™, and some asset owners indicated that they already work with the recommendations in this report. These exchanges confirmed something we have always understood in practice: governance standards only gain real legitimacy when they are examined openly and tested by a wide range of experts.

Global PSSL’s work in securities lending has demonstrated how governance gaps, when left unchecked, can exacerbate risks and erode trust. Drawing on our own senior-level experience within an industry association, we have seen first-hand the limits of approaches confined to narrow interest groups. The ABC Score™ will therefore be deliberately anchored in a broader, multi-stakeholder and the Beyond Issuance reports provide the right platform to secure the level of peer review needed to strengthen its future development.


Encouraging Broad Adoption, Guarding against Complacency

The ABC Score™ is designed as a fintech mechanism for a wide range of organisations, not a narrow industry construct. It emphasises transparency, stakeholder involvement, and continuous improvement – shaped through collaboration and maintained in the public interest. Yet governance only matters if it is taken seriously: continued opacity and weak standards threaten not only market stability but also the credibility of sustainable finance. Without stronger transparency, blind spots in post-issuance markets will persist and undermine progress toward United Nations SDGs.


Mobilising the United Nations Community

The United Nations is uniquely positioned to foster both legitimacy and scale in strengthening post-issuance governance. Drawing on the success of attracting a wider community of reviewers for the Beyond Issuance reports, Global PSSL proposes that UNU coordinate a UN community of practice for the ABC Score™. Such a forum could convene UN specialists alongside other stakeholders to help refine metrics and ensure the Score evolves in step with global challenges and innovations such as stablecoins and digital markets.

This is also a significant opportunity for the United Nations. The ABC Score™ is designed to become an investment opportunity anchored in independence and impartiality, minimising the risks of industry capture while offering more than the fragile alliances that have too often characterised sustainable finance and transparency initiatives.


Looking Ahead

The ABC Score™ is evolving, not finalised. Its lasting value will depend on strong and continued peer review and broad engagement. It holds the potential for universal benefit: bolstering transparency and resilience in financial markets while equipping investors and policymakers with clearer insight into complex post-issuance dynamics.

The way markets are governed after securities are issued is central to both financial stability and sustainable development. Weak governance in this post-issuance phase erodes trust, while strong governance reinforces integrity, unlocks long-term value, builds systemic resilience, and directly supports the implementation of the 2030 Agenda for Sustainable Development.

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