Nina Volkov
Crypto Reporter

Bitcoin macro, ETF flows, and institutional adoption. Came from fixed income trading — sees crypto through a rates and liquidity lens.

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Matt Dines, CIO of Build Markets, has warned that investors in perpetual preferred stocks like Strategy's STRC are mispricing significant liquidity and interest rate risks, especially following a recent record in trading volume.

Analyst: 11.5% STRC yield blinds investors to major dislocation risk

**A top credit analyst warns that the popular high-yield perpetual stock used by Strategy to fund its Bitcoin treasury is a powder keg of mispriced risk.**

On Friday, May 15, 2026, major publicly-listed Bitcoin mining stocks experienced a sector-wide decline, with losses in a single session ranging from 2.52% to 9.59%.

Bitcoin Miner Stocks Plunge Up to 9.6% as Sector Headwinds Mount

**Key Takeaways:** * Bitcoin mining stocks fell sharply on May 15, with losses ranging from 2.52% to 9.59%, as rising network difficulty and falling Bitcoin prices pressured margins. * BitFuFu saw April Bitcoin production fall 32% to 145 BTC, citing a power outage and a strategic reduction in third-party hashrate to preserve profitability. * The upcoming Bitcoin network difficulty adjustment on May 15 is projected to increase by another 2.4%, adding further pressure to miner economics. | Company | April Production | March Production | Hashrate | Self-Owned Hashrate | | :--- | :--- | :--- | :--- | :--- | | BitFuFu (FUFU) | 145 BTC | 214 BTC | 22.4 EH/s | 3.3 EH/s | | LM Funding (LMFA) | 26.1 BTC (Q1) | 9.6 BTC (March) | 790 PH/s | N/A |

On May 16, 2026, Bitcoin's price fell below $78,000 to a monthly low of $77,614, attributed to geopolitical headwinds from a US-Iran conflict affecting the Strait of Hormuz and concerns over the US bond market.

Bitcoin Dips Below $78,000 as Oil Crisis Fuels Macro Fears

**Key Takeaways:** * Bitcoin falls to a two-week low of $77,614 as geopolitical tensions in the Strait of Hormuz and rising oil prices impact risk assets. * Negative funding rates and rising open interest suggest bears are doubling down, creating conditions for a potential "bear trap." * Traders are watching key support levels at $75,000 and $71,000 as WTI crude oil trades above $100 a barrel.

For the week ending May 16, 2026, spot Bitcoin ETFs experienced a net outflow of $1 billion, ending a six-week streak of inflows and indicating a significant shift in investor sentiment.

Bitcoin ETFs Bleed $1 Billion in a Week as Investor Focus Shifts

**Spot Bitcoin ETFs saw their worst weekly outflow in four months, signaling a sharp reversal in institutional sentiment after a six-week streak of accumulation.**

In Q1 2026, Italy's largest bank, Intesa Sanpaolo, doubled its crypto holdings to $235 million, adding new positions in Ethereum (ETH) and XRP while cutting its exposure to Solana (SOL).

Intesa Sanpaolo Doubles Crypto to $235M, Swapping Solana for ETH, XRP

**Key Takeaways** * Italy's largest bank, Intesa Sanpaolo, doubled its digital asset holdings to $235 million in Q1 2026, according to its latest filings. * The bank initiated new positions in Ethereum (ETH) and XRP, signaling a strategic pivot while simultaneously reducing its exposure to Solana (SOL). * This rotation reflects a broader institutional trend of allocating capital to assets with clear upcoming catalysts, like XRP's regulatory clarity and Ethereum's tokenization role.

Grayscale and VanEck have submitted updated filings for a spot BNB exchange-traded fund (ETF), signaling a growing push for regulated crypto investment products beyond Bitcoin and Ethereum.

BNB ETF race heats up as 2 firms update SEC filings

**Key Takeaways** * Grayscale and VanEck submitted amended S-1 filings for spot BNB exchange-traded funds (ETFs), signaling ongoing dialogue with U.S. regulators. * Both firms removed staking features from their proposals, a move seen as a concession to address potential SEC concerns over the nature of staking services. * The push for a BNB ETF comes as spot Bitcoin and Ethereum ETFs recorded a combined $254.46 million in outflows last week, showing a complex market backdrop.

Europe's largest asset manager, Amundi, has launched a tokenized fund on the Solana blockchain, marking a significant move for real-world asset tokenization.

Amundi launches tokenized fund on Solana with €2.4 trillion AUM

**Key Takeaways:** * Europe's largest asset manager, Amundi, with €2.4 trillion in assets under management, has launched a tokenized fund on the Solana blockchain. * The move comes as the real-world asset (RWA) ecosystem on Solana reaches a record $2.42 billion in total value, according to industry data. * This launch highlights a growing trend of major financial institutions using high-throughput blockchains for tokenized real-world assets.

On May 15, 2026, a top corporate whale announced a potential large-scale Bitcoin sell-off, contributing to a price slump amid broader market concerns over possible near-future interest rate hikes.

Bitcoin Slumps Below $67,000 After Whale Sell-Off Announcement

**Key Takeaways:** * Bitcoin's price fell on Friday following an announcement of a significant, impending sell-off by a major corporate holder, adding to market pressure. * The move was intensified by broader market anxiety over potential near-future interest rate hikes, which has dampened investor appetite for risk assets. * In a contrasting move, Gemini announced a $100 million strategic investment from Winklevoss Capital Fund, paid entirely in bitcoin, highlighting continued institutional conviction.

The Sui Foundation announced Sui Spheres, a system for controlled blockchain environments, aiming to attract institutional users by balancing privacy with public network interoperability.

Sui Unveils 1 New Hybrid Model ‘Spheres’ for Institutional Blockchain Privacy

### Key Takeaways * Sui launches “Sui Spheres” to offer controlled, private execution environments for institutional clients. * The new model acts as a bridge, allowing private workflows to connect with the public Sui network. * Sui is targeting financial services, private markets, and other multi-party systems requiring data privacy.

Abu Dhabi's sovereign wealth fund, Mubadala, disclosed in a Q1 2026 filing that it increased its stake in Bitcoin ETFs by 16% to a total value of $566 million.

Mubadala raises Bitcoin ETF stake 16% to $566 million

**Key Takeaways:** * Abu Dhabi's Mubadala increased its BlackRock iShares Bitcoin Trust (IBIT) holdings by 16% to 14.7 million shares, valued at $566 million as of March 31. * The move extends an accumulation streak dating to Q4 2024 and pushes combined Abu Dhabi sovereign holdings in IBIT past the $1 billion mark. * The disclosure joins similar institutional accumulations from Jane Street and Goldman Sachs, alongside sovereign purchases by the state of Texas and the Trump family trust.

Strive Inc. is accelerating its Bitcoin treasury accumulation to 15,009 BTC and introducing a daily dividend for its Series A preferred stock starting in June 2026.

Strive boosts bitcoin treasury to 15,009 BTC, launches daily dividend stock

**Key Takeaways:** * **Strive's Bitcoin Treasury:** The company added 1,381 bitcoin since April 1, bringing its total holdings to 15,009 BTC and making it the ninth-largest corporate holder. * **Daily Dividend Innovation:** Its SATA preferred stock will pay dividends daily starting June 16, 2026, a first for a listed U.S. security, while maintaining a 13% annual rate. * **Financial Position:** Strive reported a $265.9 million Q1 net loss, primarily due to bitcoin's market value decline, but holds $87.6 million in cash with no debt.

Bitcoin's price fell below the key $80,000 psychological level on Friday, May 15, as traders took profits, causing a pullback in the broader cryptocurrency market.

Bitcoin Slips Below $80,000 as Profit-Taking Cools Market Rally

Bitcoin fell below $80,000 to $79,000 on May 15, 2026, as traders secured profits, pushing the Crypto Fear & Greed Index down to a neutral 46. The move triggered a broader market pullback, though one trader noted it was not yet a “panic level.”

JPMorgan Chase disclosed in a Q1 2026 13F filing that it holds a position in a spot Solana ETF, signaling growing institutional interest in the cryptocurrency.

JPMorgan Reveals $523k Solana ETF Stake as Total AUM Tops $1B

### Key Takeaways * JPMorgan Chase’s first-quarter 13F filing reveals a new $523,000 position in the Bitwise Solana Staking ETF, signaling formal entry into SOL investments. * The disclosure comes as total assets under management for all spot Solana ETFs surpass $1.05 billion, driven by 11 straight days of inflows in May. * **Institutional Solana ETF Holdings** | Institution | Fund | Position Value | | :--- | :--- | :--- | | JPMorgan Chase | Bitwise Solana Staking ETF | $523,000 | | Dartmouth College | Bitwise Solana Staking ETF | $3.3 million |

MicroStrategy, the largest corporate holder of Bitcoin, announced a plan to buy back approximately $1.5 billion of its convertible senior notes due in 2029.

Strategy to Repurchase $1.5B in Convertible Notes Amid New Capital Plan

**Key Takeaways:** * MicroStrategy plans to repurchase approximately $1.5 billion of its convertible senior notes due 2029 in privately negotiated transactions. * The notes will be bought back at a discount to their face value, a move that reduces the company's long-term liabilities and potential share dilution. * This action is part of a new capital strategy that may involve using the company's vast Bitcoin holdings to manage financial obligations.

Strategy announced it will buy back $1.5 billion of its 2029 convertible notes, a move that could be funded in part by selling some of its vast Bitcoin holdings.

Strategy to Repurchase $1.5B in Notes, May Sell Bitcoin to Fund

* Strategy plans to repurchase approximately $1.5 billion of its 0% convertible senior notes due 2029 for $1.38 billion in cash. * The company may sell a portion of its 818,869 BTC holdings, among other sources, to finance the transaction. * The move introduces potential sell-side pressure for Bitcoin, with the market watching for large-scale sales from the top corporate holder.

The available supply of Bitcoin on all cryptocurrency exchanges has dropped to an eight-year low, a bullish on-chain signal that contrasts with recent price weakness driven by macroeconomic pressures.

Bitcoin Supply on Exchanges Hits 8 Year Low Amid Price Dip

**Key Takeaways** * The supply of Bitcoin on exchanges fell to an 8-year low of 5.623% on May 15, representing just 1.18 million BTC available for trading. * Bitcoin’s price fell below $79,000, erasing recent gains as rising bond yields and inflation fears spooked risk asset markets. * A dormant whale moved 500 BTC, but on-chain data suggests an over-the-counter (OTC) deal, not imminent exchange selling pressure.

U.S. spot ETFs have locked away 1.34% of XRP's total circulating supply, creating a supply squeeze that pushes the asset toward a potential $1.50 breakout.

XRP Targets $1.50 Breakout as US ETFs Lock Up 1.34% of Supply

* U.S. spot XRP ETFs now hold 1.34% of the circulating supply, driving a significant supply reduction on exchanges. * The CLARITY Act's advance in the U.S. Senate is providing regulatory certainty that underpins institutional buying. * On-chain data shows wallets with 10 million or more XRP have reached an 8-year high, controlling 68.5% of the circulating supply.

On May 15, 2026, a $2.6 billion options expiry for major cryptocurrencies including Bitcoin (BTC), Ethereum (ETH), XRP, and Solana (SOL) took place, leading to massive market liquidations and a tumble in crypto prices.

Bitcoin Tumbles Below $79,000 After $2.6 Billion Options Expiry

A $2.6 billion options expiry for Bitcoin, Ethereum, XRP, and Solana on May 15 triggered a market-wide price drop and significant liquidations. Bitcoin fell below its 200-day moving average as rising U.S. Treasury yields create headwinds for non-yielding assets. Initial positive sentiment from the CLARITY Act's progress has faded, shifting focus to bearish macroeconomic pressures.

Strategy's preferred stock, STRC, saw a record trading day with $1.53 billion in volume, with proceeds used to purchase 11,707 bitcoin ahead of its ex-dividend date.

Strategy's STRC Stock Hits $1.5B Record Volume Buying 11,707 Bitcoin

**Key Takeaways** * Strategy's STRC preferred stock hit a record $1.53 billion in daily trading volume. * The volume surge was driven by investors buying before the May 15 ex-dividend date. * Proceeds from the stock program funded the purchase of 11,707 bitcoin.

Strategy's perpetual preferred stock, STRC, recorded a new trading volume high of $1.53 billion, which the company used to finance the purchase of 11,707 bitcoin.

Strategy's STRC stock hits record $1.5B volume to fund bitcoin buy

**Key Takeaways** * Trading volume in Strategy's STRC preferred stock surged to a record $1.53 billion on Thursday, over four times its 30-day average. * The company used the proceeds from its at-the-market program to acquire 11,707 bitcoin, reinforcing its treasury strategy. * The volume spike occurred the day before the ex-dividend date, a common pattern for dividend-paying securities, as MSTR common stock fell 2 percent.

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