Modern Macro Technologies

The archive

Every newsletter, market update, and deep dive — newest first. Free pieces are open to everyone; the rest need a subscription.

10/23/2025 Market Update

Markets have clawed back most of the early-October drop. At issue: whether flows have reset after the tax drain and shutdown, the Fed's answer on reserve tightness, margin debt, and the tariff case before the Supreme Court.
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10/16/2025 Market Update

A tariff headline, a volatility spike, a near-full retrace — and a funding market still tight, with the SOFR-RRP spread wide and the SRF tapped. The update maps the shutdown's fiscal drag and November's Supreme Court tariff case.
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10/08/2025 Market Update

An inventory of stress signals with the S&P grinding near 6,800: a rare positive VIX-SPX correlation, widening SOFR-RRP funding spreads, dark-pool divergence, dealer positioning overhead, a firming dollar, and lagging tax receipts.
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Market Rally Meets Resistance: Why October Could Get Dicey

The September corporate tax drain pulled roughly $120 billion from the private sector in two weeks, reverse repo is effectively drained, and a shutdown looms over tight reserves. The case for a volatile October, mechanism by mechanism.
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09/30/2025 Market Update

Shutdown risk, a widening SOFR–RRP funding spread, and a roughly $120B September corporate tax drain all land as October's fragile seasonal window opens — with November's Supreme Court tariff ruling waiting behind it.
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09/24/2025 Market Update

Back-to-back down days end weeks of volatility compression just as the corporate tax window pulls roughly $100B from the system. The update walks through the flow and sentiment tools, dark pool divergence, DeepMMT's path, and the credit-versus-fiscal ledger.
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What Really Drives the Price of Bitcoin? Debunking the Liquidity Myth

The Fed-liquidity story for Bitcoin doesn't survive contact with the data: QE swaps assets rather than creating them, fiscal flows do the creating, and price follows them with a roughly ten-month lag.
Free

09/15/2025 Market Update

Introduces Fiscal Flow Acceleration, a new tool built on the Daily Treasury Statement, then turns to September seasonality, the corporate tax drain, Wednesday's Fed decision, and the Supreme Court tariff case with a $150B refund riding on it.
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Jobs Data, Supply Shocks, and Where We Really Are in the Cycle

Payrolls land at 22,000 against a 75,000 expectation. The case that this is a post-supply-shock hiring pause, not a cycle rolling over: credit drawdown is accelerating, inflation is falling, and layoffs are not spiking.
Free

09/08/2025 Market Update

One of the weakest payrolls prints in years, the Supreme Court tariff case and its potential $150 billion-plus refund, gold's surge, a sagging dollar, and emerging markets — with CPI due Thursday.
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09/01/2025 Market Update

A Labor Day read on a compressed tape: the appeals-court tariff ruling now headed toward the Supreme Court, fiscal's role in the credit cycle, VIX at its lowest since late 2024, and the September corporate tax drain ahead.
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08/25/2025 Market Update

After Powell signaled cuts at Jackson Hole, this update works the arithmetic of a 25bps cut across $7.5 trillion of adjustable-rate private debt, the late-summer surge in flows, the September tax drain a few weeks out, and fall seasonality.
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