Leonardo

@Leonardonclt

Data and visual investigations at @BBGVisualData @business.

Creator of CityAccessMap.com

Opinions are my own.

AI/Tech tips are welcome.

New York, USA leonardonicoletti.com Joined November 2019

935 Following 2K Followers 2.5K Posts

Latest posts 5

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Leonardo @Leonardonclt Jun 9, 2023

🚨Generative AI has a serious problem with bias🚨

Over months of reporting, @dinabass and I looked at thousands of images from @StableDiffusion and found that text-to-image AI takes gender and racial stereotypes to extremes worse than in the real world.
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Leonardo @Leonardonclt Oct 29

New analysis on polymarket and Israel elections ⬇️

Denitsa Tsekova Verified account @denitsa_tsekova Oct 29

SCOOP: Polymarket is investigating activity in markets tied to Israel’s election and reviewing dozens of wallets. A Bloomberg News analysis identified more than 600 newly created wallets with no prior trading history betting on Benjamin Netanyahu or Likud.

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Leonardo @Leonardonclt Jul 21

🚨NEW: Prediction Markets Are Minting a New Type of Insider Trader 🚨 for @BW @business

We analyzed thousands of Polymarket transactions flagged for potential insider-trading and found these trades have surged to a staggering $200 million in 2026.

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Leonardo @Leonardonclt Jun 18

Our latest data driven story on prediction markets war bets and insider trading alarms ⤵️⤵️⤵️

Bloomberg Verified account @business Jun 18

Polymarket’s geopolitics category has become one of the platform’s fastest-growing markets. A few well-timed and profitable bets on Iran war policy have sparked new fears of insider trading bloomberg.com/graphics/2026-…
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Leonardo @Leonardonclt Jun 18

🚨We identified a Polymarket account that bet a massive “Yes” position on a US-Iran peace deal, at odds as low as 6%, days before news of the agreement surfaced. The market resolved, and the account exited with a $1.5M payout.

🎁 full story here: bloomberg.com/graphics/2026-…