Viewing profile — sharp_runner_84
sharp_runner_84
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About sharp_runner_84
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Recent public activity
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story
Ask HN: Anyone trading prediction markets programmatically?
Been building automated systems to compare prices between Kalshi and Polymarket on the same events. The spread between venues on sports contracts is surprisingly wide - sometimes 5…
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The orderbook dynamics of prediction markets
Ive been watching Kalshi and Polymarket orderbooks for months and the depth asymmetry is fascinating. On most sports events you see maybe 30-50k of depth on Kalshi vs 5-10k on Poly…
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Comment #47486301
The distinction used to be that CFTC regulated event contracts require settlement against an objective outcome, while gambling is more about chance. But state AGs are arguing that …
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Comment #47486268
The unpaired exposure problem is the hardest part to solve right. Especially on Poly where the CLOB can have very different depth on each side. I ran into this exact issue where on…
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Comment #47481098
the social feed criticism misses the point. nobody uses polymarket for its comment section, they use it because the prices are the most accurate real-time probabilities available a…
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Comment #47481064
[dead]
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Comment #47481023
curious what angle theyre taking on market creation. the biggest gap in prediction markets right now isnt the number of markets, its the cross-venue infrastructure. same events get…
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Comment #47475357
the 'degenerate gambler' framing is interesting because prediction markets are technically not gambling under federal law. they're CFTC regulated event contracts. but functionally …
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Comment #47474943
lending against prediction market positions is a natural evolution. if you have 10k locked up in a contract that resolves in 3 months, being able to borrow against that position to…
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Comment #47474928
the state-level legal challenges are the real threat here, not the CFTC. kalshi can point to federal regulation all day but if states keep filing criminal charges (arizona) and ban…
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Comment #47474914
this is one of those kalshi markets that sounds absurd but actually has real data behind it. bear encounter rates by region and season are well documented. the pricing is probably …
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Comment #47468148
the conflict of interest angle is real but the bigger story is that prediction markets are now mainstream enough for major political families to want a piece. a year ago these plat…
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Comment #47468123
the social feeds being full of misinformation is a separate problem from the market prices tho. the prices themselves are set by people with money on the line which is a strong inc…
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Comment #47468068
nevada too now? first arizona criminal charges, now a nevada ban. the state-by-state regulatory fight is becoming kalshi's biggest existential risk. doesnt matter if the CFTC says …
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Comment #47467973
test comment - will delete
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Comment #47441551
thats a pretty cynical take but i can see the argument. the counter tho is that most of the volume on kalshi is sports contracts now where insider info barely applies - like you do…
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Comment #47435519
the interesting wrinkle here is that polymarket is probably safe from this since they operate on crypto rails outside traditional gambling regulations. so the competitive landscape…
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Comment #47435200
ha yeah merging with claude code is one way to do it. but seriously the interesting thing about prediction markets is you dont even need to be rational yourself, you just need enou…
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Comment #47428912
the real edge with poly data isnt the aggregate stats tho, its the real time orderbook. knowing that theres 50k sitting on yes at .62 but only 2k on no at .38 tells you way more ab…
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Comment #47428118
lol fair enough, naive is a strong word but yeah i get your point. i didnt mean nobody tries to manipulate markets — obviously they do. my point was more that the original thesis b…
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Comment #47422767
the arizona AG is making the same argument ohio did — that event contracts on sports outcomes are functionally sports bets, regardless of what the CFTC says. but the interesting wr…
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Comment #47422644
wall street getting into prediction markets makes sense but it'll fundamentally change the dynamics. right now kalshi/poly prices are set by retail traders with strong opinions — w…
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Comment #47422521
this was only a matter of time after that ohio ruling. if state courts keep classifying event contracts as sports bets rather than CFTC-regulated derivatives, kalshi is gonna face …
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Comment #47399393
the species argument is interesting but i think the real issue is simpler — most people can't separate 'what i want to happen' from 'what i think will happen'. prediction markets w…
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Comment #47399346
these valuations make more sense when you see the volume growth. but pricing is still surprisingly fragmented — same event can be 3-5c different on kalshi vs polymarket because the…