Company
Citadel Securities is a major global market maker and electronic trading firm handling a large share of US equities and options order flow.
BNY says its overnight repo with Citadel Securities is the first on a major triparty platform to use a tokenized asset as collateral. The evidence of use so far is a single trade whose size BNY did not disclose.
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Microsoft, Nvidia, Apple and Meta added roughly 300 S&P 500 points in Q3, over 200% of the index gain, Citadel Securities commentary says. Holders of a cap-weighted fund own those weights automatically, so 500 names diversify less than the count implies.
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Microsoft, Nvidia, Apple and Meta added about 300 points to the S&P 500 in the third quarter while the other members subtracted about 150. With roughly 311 stocks down, most of an index fund's money sat in the group that lost ground.
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South Korea's first agreed US investment project is a $23.3 billion gas-fired power plant in Encinal, Texas. Japan's March batch has the same tilt, putting allied money into US generation next to data-center clusters that are short of power.
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Ramp's AI Index shows US corporate token use up about 50% since July while AI spending fell, as effective token prices dropped 41%. Usage has not grown enough to cover the price cut, so competition between OpenAI and Anthropic has so far moved revenue from the two sellers to their customers.
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Ken Griffin gave Carnegie Mellon a record $3 billion, $2 billion of it to build a Miami campus that plans to enroll students in 2028. Whether it becomes a research base depends on faculty hiring and industry sponsors arriving on a schedule the money cannot set.
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The rebate ladder that recruits big exchanges also shrinks the burn: 60 cents of every fee dollar at the bottom tier, 26.25 cents at the top.
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Vlad Tenev told Jim Cramer that crypto-linked contracts already take a disproportionate share of Robinhood's event-contract volume, and the $156 million the segment billed in the second quarter works out to about 1.1 cents a contract.
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IBM says it will triple US entry-level hiring in 2026 and put new developers in front of clients sooner. The counter-narrative to junior-role displacement is built on hiring plans and what CEOs say about their own headcount.
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The AI capex cycle rests on the labs capturing pricing power as compute demand grows. Ramp's corporate card data has the effective enterprise price of a million tokens moving the other way since March.
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Kalshi plans to file for about 60 perpetual futures on mega-cap names including Tesla, Apple and Nvidia, each contract 100 shares at roughly 15% margin, and because equities are securities the product lands at two regulators at once.
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The market maker told both agencies on September 9 that contracts settling on a company's revenue or passenger counts are security-based swaps, and that the venues listing them picked their own regulator.
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The Wall Street Journal says Kalshi has prepared to seek approval for roughly 60 perpetual futures on stocks and ETFs, traded around the clock. Citadel Securities says equity-linked perps belong with the SEC.
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Nasdaq Ventures put $100 million into Payward for what works out to about half a percent, and the tokens are targeted for the second quarter of 2027. The surveillance and onboarding commitments bind sooner.
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Ramp's corporate spending data puts the effective US business price at 68 cents a million tokens, down from $1.15 in March, and the customers who supply most enterprise AI revenue trimmed per-employee spend as it fell.
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Event contracts brought in $156m last quarter on 13.6 billion tickets, which is the arithmetic behind Robinhood buying equity in a contract supplier as well as listing its markets. OG.com's contracts go live on September 8.
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The brokerage takes minority stakes in Crypto.com and OG.com at Citadel Securities' $20bn and $5bn marks, and in exchange gets a fourth CFTC-regulated venue to route event contracts through without owning one.
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Robinhood is paying Citadel's July price for an undisclosed minority slice of the venue that will clear volume Robinhood can move at will, which makes OG.com a fourth supplier rather than an owned engine.
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Citadel Securities and DTCC are named on a blockchain exchange no retail user will touch. The work described so far is exploratory, and the launch window is fall 2026.
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Two Texas-branded ETFs leave NYSE Arca in mid-September and become the new venue's first primary listings the next day. Combined assets under management: $52.8 million.
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