How the Super Bowl Halftime Headliner Market Settled

Kalshi's market on who headlines the Super Bowl LXI halftime show settled within an hour of the announcement that JAY-Z will headline. The sequence offers a clear example of how an entertainment contract moves from a live question to a determined result.

What the contract asked

Kalshi listed “Pro Football Championship Halftime Show: Headliner(s)” for the 2027 game, Super Bowl LXI, with 57 named artists, each a Yes or No outcome. The rule asked whether the named artist would be announced as a halftime headliner before February 15, 2027.

The market did not ask who would appear as a guest, who produced the show or who had been discussed privately. It required an announcement that the artist would headline. That wording kept the event tied to a public statement.

The announcement and timeline

The NFL announced that JAY-Z will headline the Super Bowl LXI halftime show on Sunday, February 14, 2027, at SoFi Stadium in Los Angeles. The announcement came at 01:48 UTC on October 27, 2026 (about 9:48 p.m. Eastern on October 26), according to Kalshi's market data.

Kalshi closed trading at 02:05 UTC and settled the market at 02:35 UTC. JAY-Z resolved Yes and the other named artists resolved No. From the announcement timestamp to settlement, the interval was 47 minutes. From the trading close to settlement, it was 30 minutes.

Those times show that closing and settlement are separate actions. Trading ended after the announcement, while the operator still completed its determination process before crediting the result.

Which sources controlled settlement

The Kalshi rules listed major news organizations such as AP, Reuters and The New York Times as settlement sources. The NFL release independently confirms the announcement itself. A source named in the contract rules controls Kalshi's determination; the NFL page is useful public evidence but should not be substituted for the wording of the rule.

This distinction matters when a story breaks through several channels at once. A social post may alert readers first, an organization may publish its own release, and news outlets may follow. The market settles according to the source structure in its contract, not whichever page a reader happens to see first.

What readers can learn

First, read the action word. Here it was “announced to headline,” not “performs” or “appears.” Second, check the deadline. The rule allowed an announcement before February 15, 2027. Third, note that every mutually related artist outcome can be determined after one confirmed announcement.

The example also shows why a settled market should not remain presented as a live opportunity. Historical coverage should state the result and timing without showing current prices or suggesting that readers can still trade it.

The timeline also demonstrates why one time zone should be used throughout a settlement report. The announcement, trading close and settlement occurred in one short UTC window even though US readers saw the announcement on the prior local calendar date. Consistent conversion prevents a false impression that a day passed between the steps.

Polymarket US didn't list a halftime headliner market (checked October 27, 2026), so this article names only Kalshi.

See entertainment markets on Kalshi (opens in a new tab)

21+. Trading involves risk.

Sources

NFL.com, "Jay-Z to headline Apple Music Super Bowl LXI Halftime Show on Feb. 14" (checked Oct 31, 2026). Kalshi, "Pro Football Championship Halftime Show: Headliner(s)" rules and settlement times (checked Oct 27, 2026).

Frequently asked questions

Who resolved Yes?

JAY-Z resolved Yes. All other named-artist outcomes resolved No.

When did Kalshi close trading?

Trading closed at 02:05 UTC on October 27, 2026. Settlement followed at 02:35 UTC.

What did the rule require?

The named artist had to be announced as a halftime headliner before February 15, 2027.

Where was the announcement made?

The NFL announced it on NFL.com: JAY-Z headlines the Super Bowl LXI halftime show on February 14, 2027, at SoFi Stadium in Los Angeles.