Will Kalshi's presidential election market prices converge with Polymarket by October 15?
13
1kṀ4366
resolved Oct 15
Resolved
NO

Resolves yes If the Harris Yes position on Kalshi's presidential market trades within plus/minus 1% (1 cent) of the equivalent Polymarket position throughout October 15.

The last traded prices will be used, but if they are not available, the midpoint of ask/bid will be used to substitute. If the the total prices of Harris + Trump exceed 100, I will normalize so that Harris_price / (Harris_price+Trump_price) is used.

If either market does not trade on that day, the market will resolve N/A.

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Kalshi has Harris YES at 45¢, and Polymarket has it at 43.1¢, which is a gap of more than 1¢.

This is from is 8:16am Eastern time on October 15th, 2024. Market should resolve NO.

bought Ṁ650 NO

@CharlesFoster Another instance at 2:48pm Eastern.

@CharlesFoster Yep. This is sufficient for me to resolve No.

Kalshi is converging with Polymarket. Harris is 45% on Kalshi and 44.2 on Polymarket.

sold Ṁ152 YES

Polymarket is now 4% lower on Harris compared to Kalshi

The Kalshi position is "Harris or another Democrat" while the Polymarket position is only Harris.

@traders I should clarify that if the the total prices of Harris + Trump exceed 100, I will normalize so that Harris_price / (Harris_price+Trump_price) is used. Let me know if you disagree

@PlainBG Can you do normalization on both platforms, whether they are over or under 100 combined? It looks like Polymarket prices add up to LESS than 100.

@JamesBaker3 Yes I can do that

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