KALSHI PREDICTION MARKET ANALYSIS
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Culture · Oscars — July 22, 2026, 6:46pm ET
Oscar winner: Best Supporting Actor

Giamatti leads Pattinson for Best Supporting Actor

GIAMATTI 29% · 3.4xat publish

Kalshi prices Paul Giamatti at 29% to win Best Supporting Actor at the Oscars, with Robert Pattinson next at 24% on a soft field that still has Jeremy Strong at 16%.

Snapshot

SNAPSHOTPaul Giamatti 29%Robert Pattinson 24%

How this market pays

You’re betting on who wins the Academy Award for Best Supporting Actor. Each actor is his own side; only the winner collects.

Your betChanceWins if…$100 bet pays
Paul Giamatti29%Giamatti wins Best Supporting Actor~$329
Robert Pattinson24%Pattinson wins Best Supporting Actor~$396
Jeremy Strong16%Strong wins Best Supporting Actor~$590
John Goodman15%John Goodman~$629
Tom Holland10%Tom Holland~$941
Sam Rockwell8%Sam Rockwell~$1,174

How to look at each side

The case for Paul Giamatti. Giamatti sits at 29%, a thin edge on a Supporting Actor board that has not crowned a runaway. Wikipedia’s Best Supporting Actor page frames the category as often decided by a single standout performance in a major film; traders have him first without giving him a majority. That is the Giamatti case at 29%: the clearest named favorite in a still-open Oscar lane.

The case for Robert Pattinson. Why Pattinson still sits at 24%: he is inside five points of Giamatti — the parallel-case band — on a field where Strong at 16% keeps third place live. Twenty-four percent is co-favorite weight, not leftover doubt. That is the Pattinson case at 24%: the clearest alternative if Academy voters prefer his performance over Giamatti’s.

What the odds are saying

Giamatti at 29% and Pattinson at 24% is a soft top; Strong at 16% means this is not a two-horse lock.

2 reasons Giamatti’s 29% can still move:

  1. Fall festivals and precursor awards reshape narratives. One guild sweep can shove ten points overnight.
  2. Category fraud chatter cuts both ways. Campaign positioning can reassign who “belongs” in Supporting.

Respect the open field — 29% is a lead, not a coronation.

What to watch

Oscar nominations and ceremony for the listed Supporting Actor race.

Sources