The NFL has now said, on the record, what its gambling partners may say on its airwaves. Not much, and not about themselves.

“All prediction market advertising during NFL games is prohibited,” the league’s director of communications, Tim Schlittner, told Gambling Insider. The prohibition, he said, “extends to in-stadium signage, club sponsorships, and player endorsements.” The sportsbooks the league does license are subject to a rule narrower than their partnership names suggest: “During NFL games, sportsbook partners must advertise one of their approved products. They cannot do general advertising. They cannot advertise prediction markets.”

That is a commercial decision before it is an integrity measure. The NFL is not refusing gambling money; it is deciding which of its partners’ products that money may be spent promoting, in the most expensive advertising inventory in the country, and it is keeping the criteria to itself.

The rule is enforced by contract, against a list nobody outside the league has read

Advertising in an NFL game requires official league data, distributed exclusively by Genius Sports, and agreement to the league’s integrity terms. Renie Anderson, the league’s executive vice president and chief revenue officer, described the bundling to ESPN when the partnerships were announced: “To advertise in our game, you also have to have official data, because you have to agree to our integrity requirements.”

There is no published rulebook a campaign can be checked against, no register of approved products, and no stated process for how a product becomes approved or who decides. The league has also never confirmed whether prediction markets sit on the unpublished prohibited-categories list reported in January — the one that reportedly places them alongside tobacco, pornography and firearms.

What the licence covers, and what it leaves out

The 27 August agreements with DraftKings, FanDuel and Fanatics grant official league data, in-game advertising rights and use of league marks. ESPN reported the data and intellectual property do not transfer to the partners’ event-contract products; NBC Sports reported the deals “don’t extend” to their prediction markets. The league’s own announcement does not mention those products.

The excluded products are not marginal. DraftKings’ exchange, operated as DKeX, self-certified nine categories of football event contracts with the Commodity Futures Trading Commission on 10 August. Chief executive Jason Robins told investors that annualised volume grew “nearly 5x from $2.3 billion to $11 billion” between April and July, roughly $3.6bn of it consumer volume and $7.4bn market makers. FanDuel Predicts, launched with CME Group in December, now offers financial contracts in all 50 states by the company’s own account. Fanatics Markets is live in 22 states and four territories.

The league’s advertising rule tracks its filings. In July it told the CFTC that proposed event-contract rules “fall significantly short of protecting the integrity of sporting events”; on 3 September its chief compliance officer wrote to exchanges to say contracts it objects to were still listed. But the NFL’s commercial position is stricter than its peers’. The NHL signed both Kalshi and Polymarket at league level; MLB made Polymarket its official prediction market partner in March; MLS did the same in January; Kalshi has signed five MLB clubs for signage and radio, including naming rights to a bar at Dodger Stadium — placements of exactly the kind the NFL now prohibits. The NBA has signed nothing.

The wall is drawn by window and by map, not by channel or product

The restriction applies to NFL broadcasts, not to the products. DraftKings launched its “Take Your Game Anywhere” brand campaign on 31 August on the premise that the company is available in all 50 states — a claim its agency’s creative director attributed to combining the licensed sportsbook with the unlicensed predictions product, and one the company’s own release footnotes as varying by state. Inside NFL windows it does not air; outside them it does. The state-level Predictions campaign that ran in California, Texas, Georgia and Florida from 25 August was never intended for NFL broadcasts; the league was not consulted, and DraftKings’ communications director asked, reasonably, why it would be.

The geography is the point. DraftKings’ own availability page describes sports event contracts in the 18 states where it has no online sportsbook, a sportsbook in 27 more, and free-to-play contests only in the remaining five; no state appears on two lists. FanDuel sells sports contracts only where it does not sell sports betting. Fanatics Markets is absent wherever Fanatics holds a gaming licence.

So the product blocked from football advertising is the one built to operate in the states that declined to license sports betting. Those states have no sportsbook advertising rules, because they have no sportsbooks: no regulator writes promotion standards for a product it has not licensed. The NFL’s rule governs what its audience sees during games — and nothing about what the same operators, with the same products, run everywhere else, in the markets where the event contract is the only legal way to bet on the game at all.

The number the trade body counts without naming

The American Gaming Association, the casino industry’s lobbying arm and an active opponent of event contracts, publishes figures showing advertising it classifies as “prediction market” took 57% of US digital sports-betting ad impressions through July, against sportsbooks’ 43%, alongside nearly $200m in digital spend, per Pathmatics by Sensor Tower. What it does not publish is which brands make up the 57% — a figure that includes the operator-run products of DraftKings, FanDuel and Fanatics. All three have since quit the association over prediction markets. The headline counts their products without naming them.

What the league has said is the rule. What it has not said is anything about the list the rule depends on: how a product is approved, who inside the league decides, or what happens where a licensee’s products meet. Three companies’ compliance — and the content of the ad breaks in the most-watched programming in the country — turns on a document that has not been published, in a market the league has chosen to license at the product level while barring it at the company level.