A Year of Mining Gains, Gone. Institutional Bitcoin Just Split in Two

Good morning. This is Maestro's Market Insights, where we track the forces shaping Bitcoin and digital capital markets. Today: institutional Bitcoin capital is slowing, while the Bitcoin network just recorded one of the rarest mining signals in its history.

ps. Maestro will be releasing several announcement next week. Keep an eye on our socials.

Market Prices

Markets: Bitcoin held near $64,500 after rejecting $66,500 mid-week, as the Fed's hold came with three hawkish dissents, the first unified pushback since 2016. MSTR rallied on discipline, not price, Strategy skipped BTC buys again to fund a buyback, even after posting an $8.22B Q2 loss. HUT's drop tracked the broader chip selloff, not anything company-specific. Hashprice held at $30.18/PH/day.

Market Updates

Clarity Support

Firms managing more than $30 trillion now back the Clarity Act, after Goldman Sachs, BlackRock, Fidelity, Schwab, and Grayscale joined law enforcement groups in endorsing the bill last week. Senate Republicans released updated text with a Trump-approved ethics provision barring federal officials from issuing or sponsoring digital assets through 2029. Seven Democratic senators say it still falls short on ethics, consumer protection, and illicit finance, leaving a pre-recess floor vote in doubt.

BitMex Shuts Down

BitMEX will shut down on September 23 after 11 years.

• Its bitcoin futures share fell to 0.08%, down from a 57% peak in the derivatives market it invented with the perpetual swap.

• BitMart and Dango announced wind-downs the same week as volume concentrates among a few venues.

• A proposed class action alleges wrongful liquidations and an internal "insider trading desk," seeking 623 bitcoin and damages.

Capital Flows

Institutional Bitcoin demand is sending two different signals this week: ETF flows are decelerating fast and already partly reversing, while corporate treasuries keep adding regardless. The split is running into a Fed that's no longer unanimous on holding rates steady.

• ETF flows swung to a $33.8M week, the smallest of three straight inflow weeks, after $465M left the funds Thursday and Friday.

• The Fed held at 3.50%-3.75%, but three regional presidents dissented in favor of a hike, the first unified hawkish pushback since 2016.

• Public companies now hold 1.26 million BTC, an all-time high, even as ETF demand wavers week to week

Why It Matters

Two investor bases, two different behaviors. ETF holders are macro-sensitive and reverse fast. Treasuries don't. Durable demand looks more likely to come from the balance-sheet buyers.

By The Numbers

-0.74%

Bitcoin's mining difficulty fell to 126.23T on July 25, its 15th adjustment of 2026, continuing a year where negative adjustments now outnumber positive ones nine to six.

$33.8M

US spot Bitcoin ETFs posted a third straight week of inflows, but the smallest of the three, after $465M in Thursday/Friday outflows on renewed rate-hike concerns.

1,262,211 BTC

Public companies now hold more Bitcoin than ever, worth $81.76B, even as Strategy's own market cap trades below the value of the Bitcoin it holds.

The Deep Dive

Bitcoin's Mining Difficulty Just Went Negative for Only the Second Time Ever

The Signal

Difficulty is flat year-over-year, 126.27T last July vs. 126.23T now, technically negative for only the second time ever. The first was 2021's China ban, one clean cause. This time there isn't one, and the flat headline hides a much wilder path underneath.

The Numbers As of July 28, 2026, Hashrate Index.

What Changed

• AI/HPC is competing directly with mining for capital and power, the same shift behind Hut 8's pivot.

• Difficulty is flat year-over-year, but only because 2026 erased the entire 35% run-up 2025 built, peaking at 148.2T in November before giving it all back.

• 15th adjustment of 2026 (July 25): -0.74%. Negative adjustments now lead 9-6 on the year.

• Hashprice bottomed near February's all-time low in June before a partial recovery.

• Iran war (~7 EH/s), Texas 4CP curtailment, and scattered regulatory hits added smaller drags.

The Read

2021 had an on/off switch: ban, blackout, migration, recovery. This is different, five or six separate pressures stacking in the same year, none decisive alone, together enough to break a metric that's only supposed to move one way. The miners built to survive this aren't necessarily the most efficient, they're the ones with the most flexible capital and the best hedges.

Watch Next

• Whether difficulty keeps falling or July's hashprice recovery holds.

• How many public miners follow Hut 8 into AI infrastructure.

• The next difficulty adjustment (est. early August).

Maestro Updates

Maestro Launches New Website

Fresh look, same mission. The new site brings institutional vaults, real Bitcoin yield, and miner credit under one experience, because building Bitcoin capital markets starts with making them accessible. Check it out →

Mezzamine Vault Filled

The latest Mezzamine vault with Sazmining filled quickly, connecting Bitcoin capital directly with real mining operations. Another vault is opening soon.

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