How many cities will Waymo operate in by December 31? odds

Frequently asked questions

Who is the favourite in How many cities will Waymo operate in by December 31??

16-19 is the current favourite at 30 %, ahead of 4 other outcomes. That number is the market's implied probability right now, and it moves as people trade.

What do these odds actually mean?

Each percentage is the market's implied probability — the price of a contract that pays out $1 if that outcome happens. An outcome trading at 30 % means the market thinks it happens roughly three times in ten. Across a field like this the percentages add up to about 100 %, because exactly one outcome can win.

How often do these odds update?

Prices refresh every 15 minutes from Polymarket. The 24-hour column shows how far each outcome has moved in percentage points since yesterday.

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