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Polymarket ends trading loophole for bitcoin quants

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Polymarket ends trading loophole for bitcoin quants

After Polymarket quietly ended a substantial penalty on liquidity-removing ‘taker’ orders, quantitative traders (quants) lamented an end to their gravy train. For highly sophisticated market makers, that 500-millisecond quote-adjustment period granted them a superpower over slower traders.

Unfortunately for them, Polymarket has ended its time incentive.

Unsurprisingly, the money spigot used to flow from Polymarket and Kalshi advertising short-term binary options on the price of bitcoin (BTC) to everyday speculators.

Read more: Maduro Polymarket bet raises insider trading concerns

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The exchanges feature 5 and 15 minute betting markets on the price of bitcoin (BTC). On their respective homepages, they place those markets in their top three spots on their homepage, and those markets have earned substantial media coverage.

These so-called prediction markets resolve on pricing data from Chainlink and carry high risk for anyone but the most sophisticated traders. One of those risks buried in technical documentation was the ability for market makers to make these adjustments to their quotes, helping ensure they received the most advantageous price.

Rewarding makers to lure money from Polymarket takers

According to several market observers, Polymarket has quietly eliminated its 500-millisecond (half-second) taker price delay.

Makers use limit orders that do not immediately execute, such as a bid price below the current ask price. Takers, in contrast, use market orders or immediately executable limit orders, such as a limit buy order with a price higher than the current ask. 

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In a traditional ‘level 2’ or Depth of Market (DOM) quote, makers are listed above and below the last price of an asset. Makers’ limit buy and sell orders, which cannot immediately execute against other orders, remain in pending status, ranked by price. 

Takers, in contrast, whose orders always execute immediately using a standing order from a maker, create each market-clearing price.

Historically, exchanges have rewarded makers with various discounts to encourage their participation. Trading venues with consistently deep or ‘liquid’ DOM quotes across their trading pairs earn more business from traders who are concerned about the ability to easily enter and exit positions with minimal slippage.

Although penalties for takers and rewards for makers vary by exchange, Polymarket has a history of penalizing takers with a 500-millisecond price delay.

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Quants never needed speed bumps

However, some traders detected its sudden, quiet removal this month. “Rumor has it the speed bump on crypto markets is GONE. No announcement, no changelog, nothing,” wrote one observer.

For quants and arbitrageurs, trades in Polymarket’s 5-minute games just got 500 ms faster. Those trades can also be hedged using Kalshi’s 15-minute binary options or hundreds of other BTC proxies.

For context, there were only 600 maximum taker transactions within five-minute increments. Now, the number of possible trading combinations seems to have exploded into the thousands or millions – bounded only by speeds of connectivity and computation.

“With the speed bump gone, latency is now the only moat,” someone noted.

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Latency is, of course, a double-edged sword. The most advanced, colocated arbitrageurs with the quickest refresh rate on their quotes relative to the price of BTC on Chainlink oracles or even other exchanges can now enjoy amateur order flow from slower competitors.

Many other traders agreed with the implications. 

“Was basically free money before,” observed one trader about the substantial, half-second incentive for makers to leisurely update their quotes with relative ease in computer time. “They did it to invite makers. Now makers are there, they take it away, but still give fee rebate.”

He forecasted another change in the future as a sunset of all incentive programs for Polymarket quant makers. “Next thing fee rebate is gone, and we pay for maker orders as well.”

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Crypto World

BlackRock says only Bitcoin and Ethereum attract investors

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Microsoft stock plunges 11% as Bitcoin traders seek refuge amid broader tech selloff

BlackRock digital assets head Robert Mitchnick said Bitcoin and Ethereum remain the only two cryptocurrencies attracting meaningful investor demand.

Summary

  • BlackRock says Bitcoin and Ethereum dominate investor demand.
  • IBIT saw $26B inflows in 2025 despite Bitcoin’s price decline.
  • ETH staking ETF aims to add yield to ether exposure.

This comes as the asset manager evaluates future ETF products. Speaking on CNBC following the launch of BlackRock’s ETHB staked ether ETF, Mitchnick stated Bitcoin commands approximately 60% of crypto market share while Ethereum holds the low teens.

The comments come as BlackRock’s IBIT Bitcoin ETF recorded $26 billion in inflows during 2025 despite Bitcoin falling nearly 50% from its October all-time high.

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IBIT ranked fourth globally for ETF inflows last year, becoming the only product in the top 20 to post positive flows while delivering negative price returns.

Year-to-date flows for IBIT remain slightly positive, with approximately 90% of the investor base maintaining steady accumulation patterns through the drawdown.

Bitcoin and Ethereum dominate investor allocation decisions

Mitchnick described Bitcoin as a “digital gold emerging monetary alternative” while calling Ethereum as “a technology centric bet around blockchain innovation and the various use cases of ether and digital assets.”

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The distinction decides how investors approach portfolio allocations, with Ethereum exposure aligning more closely with technology and venture equity allocations.

BlackRock’s ETHA became the third-fastest ETF in history to reach $10 billion in assets under management, trailing only IBIT and Fidelity’s FBTC.

The newly launched ETHB adds staking yield to spot ether exposure, addressing what Mitchnick called a “limitation” in original ether ETF products that lacked yield capture mechanisms.

The staking feature makes ETHB “much closer, like the Bitcoin ETPs were, to a silver bullet for a lot of investors in terms of a super convenient exposure vehicle,” Mitchnick said.

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Long-term investors drive Bitcoin and Ethereum ETF flows

Retail investors and financial advisors comprise the majority of ETF demand, with both segments showing opportunistic buying during price declines.

Hedge funds account for roughly 10% of flows, primarily running basis trades that go long ETFs while shorting futures contracts. These trades remain neutral for Bitcoin’s price but create flow volatility when basis spreads compress.

Mitchnick noted BlackRock sees “pockets of interest” in other crypto assets but maintains a “discerning approach” to product expansion.

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The firm continues evaluating assets as liquidity, scale, and use cases develop, but Bitcoin and Ethereum remain where investor interest concentrates overwhelmingly.

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USDC Market Cap Nears $80B as UAE Capital Flight Drives Demand

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USDC Market Cap Nears $80B as UAE Capital Flight Drives Demand

The market capitalization of the USDC stablecoin is approaching a record high near $80 billion as demand surges in the Middle East, with one analyst linking the spike to capital flight from the United Arab Emirates.

According to data from CoinMarketCap, USDC (USDC)’s circulating supply has risen to roughly $79.2 billion, marking a new all-time high for the dollar-pegged stablecoin. The stablecoin’s market cap previously hit a high of below $79 billion in December last year.

The increase comes after supply expanded by billions of dollars in recent weeks. The stablecoin’s market cap stood at just over $70 billion in early February and at $75 billion earlier this month.

USDC market cap. Source: CoinMarketCap

Self-proclaimed Dubai-based analyst Rami Al-Hashimi claimed the surge reflects growing demand from investors seeking to move funds out of traditional markets. In a Friday post on X, Al-Hashimi said over-the-counter (OTC) desks in Dubai have struggled to meet demand for the stablecoin.

Related: Stablecoins could form backbone of global payments in 10 years: Billionaire

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Dubai property slump may be driving USDC surge

Al-Hashimi tied the surge in stablecoin demand to turmoil in the UAE’s real estate market. The analyst claimed property prices in Dubai have fallen roughly 27% this month, sparking a rush among investors to move capital into digital assets.

“War panic. Capital flight. Sellers are bleeding,” he wrote, describing what he said was a rapid shift in investor behavior.

Data from TradingView also shows that the DFM Real Estate Index, which tracks the performance of listed real estate and construction companies in Dubai, has suffered a sharp sell-off, with the index falling from around 16,800 at its recent peak to about 11,516, a decline of roughly 31%.

Al-Hashimi claimed the situation has also led some property sellers to accept cryptocurrency payments directly. He said certain real estate listings now advertise discounts for buyers who pay using Bitcoin (BTC).

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“Pay in BTC, get 5–10% off,” he wrote, adding that the trend reflects growing demand for digital assets during periods of financial uncertainty.

Related: Crypto Biz: Circle stock defies Wall Street and digital asset selloff

USDC overtakes USDt in adjusted transaction volume

Japanese investment bank Mizuho says USDC has surpassed Tether’s USDt (USDT) in adjusted transaction volume for the first time since 2019. According to the bank’s research note, USDC recorded about $2.2 trillion in adjusted transaction volume year-to-date, compared with $1.3 trillion for USDt, giving USDC roughly 64% of combined transaction share.