At this year’s Stockholm Programmatic Summit, one theme kept returning: programmatic is moving closer to the source of supply. There were technical details abound, but the commercial case is straightforward. When more of the decision happens nearer the publisher, the market can understand the impression before signal quality fades and value leaks downstream.

A market ripe for better decisioning

Madeleine Thor of Institutet för Reklam-och Mediestatistik (IRM) opened the day with a reminder that innovation gains traction when the market has momentum. IRM research shows the Swedish advertising market began 2026 with an 8.1% lift in Q1. Across the Nordics, advertising investments had reached €10.6 billion in 2025, following growth of 5.0% at current exchange rates.

And it’s not just about the market growing. More of the opportunity now sits inside digital environments where automation has to understand quality, rather than just volume. Again, that creates a stronger commercial case for decisioning that can recognise value earlier in the transaction.

When I sat down with Mayuran Yogarajah, he explained that scale was the first reality check for Index. Today, the exchange is processing 500 billion daily requests and 1 million transactions per second. With that level of volume, the old idea of sending everything downstream simply doesn't work, which is why sell-side decisioning has moved from an interesting idea to a practical necessity.

The decisioning layer is moving upstream

Sell-side decisioning brings the work closer to where the impression begins, on the publisher side,  while the publisher’s signals are still fresh enough to be useful. Mayuran compared the shift to voice processing moving from remote servers to the device itself. Proximity changes what becomes possible, especially when the market needs faster judgement without adding waste.

IX Cloud, for example, is part of that shift because it gives partners specialised compute through infrastructure already built for programmatic scale. Innovators don’t need to recreate an exchange-scale stack before they can test a sharper decisioning model. Chalice helped pioneer the model with Index, while our partnerships with Bedrock Platform and Nano Interactive now show how more intelligence can move into the decisioning layer.

The panel hosted by Index’s Kristina Gubanov kept returning to the same point: sell-side decisioning is still young, but it is already changing how value is found before an impression travels too far downstream. The strongest use cases were rooted in fresher intent signals, better access to supply, and performance gains that come from making decisions close to the viewer.

Better signals mean better economics

An interesting takeaway was that proximity changes the economics of a campaign. Freddie Turner from Chalice AI argued that page-level signals become more useful when they can be tested against a specific brand outcome, rather than bundled into the same broad package for everyone. That gives buyers a clearer route to work out which signals are earning their place. The results saw roughly a 40% CPM reduction on an early campaign in Denmark with Dentsu, and a UK campaign delivered 32% more video views at the same cost. However, cheaper inventory wasn't the point. Higher-quality impressions can still justify a higher CPM when they deliver the outcome.

Meanwhile, Nano Interactive and Bedrock Platform agreed that when more analysis happens nearer to the impression, data-transfer costs can fall and latency can improve. That creates room for specialist intelligence to focus on the opportunities that deserve attention, rather than spending too much on listening to noise.

Streaming TV needs scale, standards, and proof

The legend that is John Tigg (Index) then connected various infrastructure themes to the biggest screen in the house: STV. Nordic TV streaming is growing quickly, with Mediavision reporting that ad-supported plans account for 80% of new paid streaming subscriptions in the region, and that the Nordic market now exceeds 27 million paid streaming subscriptions.

OpenRTB 2.6 is crucial because streaming needs a richer trading language than ordinary web video. It helps media owners explain what’s being sold, from live status to the structure of the ad break. Index Exchange says podding has delivered win-rate increases of up to 25% and an average DSP QPS reduction of 70%, which shows how this infrastructure work boosts yield.

The final panel, also hosted by John, showed what buyers and broadcasters need before streaming can take the next step. The opportunity is no longer just about audience growth, because STV is already becoming a mass medium in the Nordics. It’s now time to build confidence around pricing, measurement, frequency control, and biddability, so that TV-style attention can move through a more flexible digital buying model.

The ball is in the publisher’s court

Measurement and classification came through as the practical next jobs. When one system treats an impression as STV and another treats it as ordinary video, budget owners have a weaker foundation for moving spend. Curation can help here, because buyers need a cleaner route into broadcaster inventory without reducing premium viewing to a generic video price.

That’s also why sell-side decisioning feels so important at the moment. It gives the open web a way to compete on performance without copying closed ecosystems that have been allowed to mark their own homework for too long. When decisioning moves closer to supply, premium publishers have a stronger path to defend the value of their inventory.

The summit closed with a sense of optimism, but not because the market has solved everything. It still needs to make measurement stronger, video classification cleaner, and data signals more consistent, so that premium environments can prove the value they already create. Learning from Stockholm 2026, the next phase is to connect scale with control, and turn that control into performance. And we’re already helping publishers and advertisers in this journey.