Democratizing weather derivatives through tokenization could be crypto’s most important real-world use case

“Since the 1980s the number of registered weather-related loss events tripled, and the inflation-adjusted losses have increased fivefold. These trends are set to continue and could threaten assets worth 20 per cent of global GDP.”

That’s Canada’s Prime Minister Mark Carney talking about climate risks in his 2021 book Value(s): Building a Better World for All.

I recently finished reading this 600-page book and it has been an eye opener on many levels, especially on weather, a space I last tracked at my gig on a currencies and commodities research desk in Mumbai from 2012 to 2014. Part of my job involved tracking natural gas prices, which take cues from weather forecasts and sometimes weather derivatives, more specifically options on heating degree days (HDD) and cooling degree days (CDD).

Back then, it struck me how broken, fragmented and little known these weather options were, leaving the bulk of the world’s population exposed to the financial devastation of weather and climate risks (not to mention the physical risks).

Omkar Godbole is a co-managing editor on CoinDesk’s Markets team.

Now, after spending a decade in crypto, I believe the most important real-world use case of tokenization, blockchain and smart contracts could be tokenizing weather derivatives and not merely creating a digital warehouse of traditional yield-generating assets such as bonds.

Let me explain why.

Weather derivatives are financial instruments that pay out when specific climate conditions cross predetermined thresholds. For example, a utility company might buy a contract that pays if winter temperatures stay unusually warm, cutting heating demand and revenue. An airline might hedge against the cost of flight cancellations caused by storms. A farmer in India might protect against a failed monsoon.

These instruments exist precisely because weather is one of the largest unhedged financial risks in the global economy. According to estimates by the World Meteorological Organization, weather-related disasters have caused a global economic loss of over $2 trillion in the past decade alone.

The problem is that the market built to manage this risk is itself broken.

Weather derivatives are highly specific, mostly bespoke contracts based on localized risks and are frequently short term, which severely curtails secondary trading activity. The entire market has a notional value of roughly $25 billion, a rounding error compared to interest rate or credit derivatives markets, and an equally striking rounding error relative to the $2 trillion in weather-related losses recorded over the past decade — let alone the scale of potential disasters ahead.

It is also worth noting that weather-related financial risk is not limited to the destruction caused by extreme events. Carney calls these physical risks.

There are equally significant transition risks. As the global economy moves toward a lower-carbon economy, Carney argues, changes in policies and technologies could trigger billions in losses from stranded assets — those that no longer comply with new regulatory frameworks or emerging technologies, and therefore no longer hold the value they once did.

The current weather derivatives market is simply not equipped to handle either risk adequately. The market that exists today is a fragmented, bespoke market riddled with limited contract standardization, weak pricing transparency and significant counterparty risk. It is dominated by large institutions such as energy utilities firms, which account for about 40% of all contracts, followed by agriculture at 25%. The people most exposed to weather risk, like smallholder farmers, small logistics operators, micro-businesses in climate-vulnerable emerging markets, have no access to these instruments. The market is too small, too illiquid and too opaque for anyone without a Bloomberg terminal and an institutional balance sheet to track and navigate.

In other words, Main Street, which faces the most significant climate-related financial risk, is effectively left without an avenue to hedge risks. The very market designed to help the world manage climate risk is failing at the job, and the failure is structural rather than technical.

This is where tokenization enters, and where I think the crypto industry has a genuinely important role to play in democratizing weather risk hedging. It’s an initiative that I think is significantly more important than simply offering traditional yield-generating assets like bonds onchain.

The core advantages of putting weather derivatives on a blockchain are not theoretical. Smart contracts can automatically trigger payouts when verified weather data crosses a predetermined threshold, while bypassing manual processing, disputes, delays, and counterparty risk. With tokenized weather derivatives, a farmer in a rain-dependent economy no longer needs a Goldman Sachs relationship to hedge against a failed monsoon. A parametric insurance product built on a smart contract that reads verified rainfall data and pays out automatically is, in principle, exactly the kind of market that properly prices and distributes climate risk.

In Value(s), Carney puts it well: “We need financial markets to work alongside climate policies in order to maximize their impact. With the right foundations, the financial system can build a virtuous circle of better understanding of tomorrow’s risks, better pricing for investors, better decisions by policymakers and a smoother transition to a lower-carbon economy.”

Tokenization also addresses the liquidity and accessibility problems that have stunted the traditional market. Fractional ownership allows weather risk to be divided into smaller units.and the resulting composability facilitates integration of weather derivatives with lending protocols, insurance products and yield-generating instruments. Transparency on every trade, every position, every settlement recorded on a public blockchain addresses the opacity that has historically made price discovery poor and participation limited.

Tokenized weather derivatives will only work if the data feeding them is reliable. That brings us to the oracle problem – that is, getting tamper-proof, real-time weather data onto a blockchain in a form smart contracts can trust. And it is being addressed by some companies already.

Kweather, a leading South Korean weather big data platform, and Flare, a data-centric blockchain network, recently signed a letter of intent to bring meteorological datasets, including temperature, rainfall and other climate variables, onchain. They aim to enable weather finance products for DeFi, parametric insurance and climate risk markets. This initiative is still very early; it is a pilot, and a letter of intent is not a working product.

Tokenization won’t fix climate change. But it might fix the market that was supposed to help us manage it. In a world where weather risk is only going to grow, that is no small thing.