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David Watson 🥑
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To be clear, both excerpts above were from the “corrected” second version of the article. Here was the original version:
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Last tweet on this from me: As of posting the correction still hasn’t been corrected. This whole episode is extra embarrassing for the NYT bc this article is from the financial markets team, not the politics team. Prediction markets work like other markets with bids and asks!
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I remember one time they published that a 2% IRR edge over market benchmarks was “weak” for Bridgewater. The writer didn’t realize that led to DOUBLE the absolute return over the time period were referencing. Crucial to understand that 2% is everything in a compounding world
There was a time when it's spot as national paper of record wasn't controversial among conservatives and liberals alike, despite griping. The hell happened?
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amplice.eth 💀🦞
@amplice_eth
Uphill battle here. In a world where people literally don't understand that producers don't just *set prices to whatever they want* (see discourse on housing, gas prices, etc etc) It will prove next to impossible to get people to understand the difference between polling x.com/shayne_coplan/…
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I say this without any judgement, as a fact that's good to know: The average journalist is very much "not good with numbers". Their core skill is writing, which they excel at. People who excel at math have much better careers available to them.
I originally agreed with you, but reading again I think NYT is actually fine here. I realised when I tried to rewrite the paragraphs myself -- they already give the correct units, and I couldn't make it much clearer without adding length.
So they are comparing bets which pay not on margin, but in winner; to nationwide polls, which don't reflect the electoral college, which actually decides the winner. This is like saying that team A moneyline is -200 (a 2:1 favorite), but team B gets 2x the rebounds.
I think that's like the Monty Hall problem. No matter how famous the prediction markets become, the math concept is just too complicated for most people. You just can't explain it to them.
This reaffirms my belief that all these prediction polls are going to create more confusion when there is an “upset”. A 55-45 poll is essentially a rout. A 55-45 prediction is essentially a coin flip. They should really be quoted in American betting odds not percent (ie +120).
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If the prediction market results WERE polls, then "slightly more of a lead" would be a terrible way to describe the gap in those results, just way off 56-44 would be enormous, jaw dropping.
Is there any empirical evidence that prediction markets yield accurate political predictions? I don’t know if I believe in the emergent wisdom of coked-out divorcees.
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An event that has a 51% chance of happening will always happen because 51 is more than 49. Nate Silver still doesn't understand this no matter how much people on Twitter yell it at him.
I did NOT realize until this year how many people misunderstand or outright conflate a betting market with a poll. I don't profess to be a card shark, but there is a LOT of dumb money out there. Reminds me of online poker in 2010.
The idea being that betting markets have people putting their money down so “they are very accurate” Like, bitch. There is a betting market every week where people put there hard earned money on an individual winning and almost every time everyone loses.. it’s called the lottery
Always worth remembering this one when you get to an article on a topic you are not an expert in (because they are likely just as incompetent at covering that)
This is inexcusable. If you allow this sort of a mistake, you simply do not have a high-quality standard as a news organization.

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I think the basic problem with “young men are becoming more right wing because they’re freaking out over losing the privileges they’ve had forever” analysis is that they are YOUNG—by definition they haven’t lived long enough for that to be the explanation
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Mike Solana
@micsolana
left: long, thoughtful, fundamentally incorrect analysis of the democratic party's problem with white men right: the actual problem
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*Me, an NYer, casually walking to my office* My California created app: wow great workout, why don’t you record it!
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After January 6th and until Biden's inauguration, America was lead by a triumvirate in most capacities except for officially and I think that's so fucking wild.
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@abolishcxps
ruined the vibe at dinner with the girls by reiterating that i’m not voting for kamala