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MANIFOLD
"Backrooms" (domestic) opening weekend?
45
Ṁ1.5kṀ37k
resolved Jun 2
100%99.2%
[$80 million, $90 million)
0.0%
[$0, $10 million)
0.0%
[$10 million, $20 million)
0.0%
[$20 million, $30 million)
0.0%
[$30 million, $40 million)
0.0%
[$40 million, $50 million)
0.0%
[$50 million, $60 million)
0.0%
[$60 million, $70 million)
0.0%
[$70 million, $80 million)
0.6%Other

Resolves to based on "Backrooms" opening weekend domestic gross, according to BoxOfficeMojo.

E.g., for comparison, the "domestic opening" for "Iron Lung" was $17.8M.

"Backrooms" is an upcoming A24 movie based on the popular YouTube short films.


I may add higher buckets if necessary.

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@Ziddletwix Finalized number is 81,402,424

I think some people are underrating the strong possibility that this will be very front loaded. 73% chance of more than 80 million seems a bit too high to me. (between other and 80/90 buckets. ) Could happen obviously but from what I see the most aggressive official trackers are showing 68-75 million at the high end. Box office theory, which projections are more heavily weighted to recent events has it at 68. What are some sources that I'm missing?

Wild

bought Ṁ5 YES

It'll get at least 500k from the theater I rented out for a weekend to show it on all 12 screens.

bought Ṁ15 YES

https://deadline.com/2026/05/backrooms-box-office-projection-1236886257/ according to Deadline, Backrooms just debuted on tracking with a projected ~$20m opening.

@Ziddletwix I feel like this is a film that Gen Alpha will drag their parents to

@bens yeah if it goes insanely high above pre release tracking, the reason will obvious—tracking is bad at capturing Gen Z/alpha interest in viral-ish stuff (iron lung, Minecraft, etc, to pick a few hits with strong roots on YouTube).

So cannot be surprised if it breaks out, but that doesn’t make it a super safe bet (although I do think the tracking is more like the ~floor). Argument against is basically just A24 base rate—even as they scale up (with civil war/marty/other big budgets), mid 20s is still the largest a24 opening. That’s not just the material they choose, the major studios still operate at a different scale on many levels.

So I haven’t been tracking box office in a while but I think this is an unusually interesting case where a few weeks out I think anywhere from 15-35 seems very plausible (and higher or lower wouldn’t be all that shocking either).

bought Ṁ50 YES

@Ziddletwix It's gonna be 2-3x your expectations?? Although I think backrooms is much more genpop than Iron Lung, and there haven't been many good new movies lately.

@Kire_ yup way off although tbh I think the above holds up fairly well because while early expectations (tracking, traders here, etc) were far lower, I specifically made this market (as mentioned in the comment) because this seemed like a case where the chance for an outlier breakout above early tracking (and other A24 comps) was unusually high, and that’s exactly what’s happening =)