The hottest Exchange rates Substack posts right now

And their main takeaways
Category
Top Finance Topics
Noahpinion • 30647 implied HN points • 24 Jan 26
  1. Aggressive political moves and tariff threats can spook investors, causing them to sell U.S. bonds and stocks so Treasury yields rise and the dollar falls.
  2. When investors move money out of the country — capital flight — it raises U.S. borrowing costs and can hurt American living standards by making financing more expensive and the economy weaker.
  3. If leaders repeatedly only back down after markets panic, they encourage ever-bolder threats that erode confidence in the U.S. as a safe haven and increase the risk of a sustained loss of investor trust.
Chartbook • 1845 implied HN points • 23 Feb 26
  1. The 1974 Trade Act’s talk of a “balance-of-payments deficit” comes from the Bretton Woods era when reserve outflows mattered, so that framing doesn’t fit today’s floating-rate, fiat-dollar system and the U.S. isn’t facing a reserve-run-out problem.
  2. The law also cites “fundamental international payments problems” and “disequilibrium”; the U.S. doesn’t have classic payments problems because it issues the global currency, but claiming an international disequilibrium is a more plausible legal route to justify tariffs.
  3. Relying on 1970s emergency statutes to impose tariffs reflects a recurring return to 1970s crisis rhetoric and political constraints, and any such tariff move is likely to be legally and economically contested.
Common Sense with Bari Weiss • 510 implied HN points • 18 Jan 26
  1. A country’s currency value gives a quick signal about whether it’s rising or falling on the world stage.
  2. When a currency collapses or becomes effectively untradeable, as with Iran’s rial, it signals deep uncertainty about the country’s future and discourages foreign trading.
  3. Big moves in major currencies — like a weak yen or a strong dollar — reflect wider economic and political shifts that matter internationally, not just for travelers.
David Friedman’s Substack • 170 implied HN points • 07 Jan 26
  1. When countries use the same money, trade deficits cause specie (gold) to flow and change domestic price levels, and those price changes naturally push trade back toward balance.
  2. Capital flows can offset trade imbalances, so a country can run a persistent trade deficit if it attracts enough foreign investment; equilibrium is reached when a country’s trade deficit equals its net capital inflow.
  3. In a multi-currency world exchange rates adjust quickly while price-level changes under a single currency affect debtors and creditors, and governments or central banks can temporarily intervene with reserves or money supply but cannot sustain those interventions forever.
Pekingnology • 75 implied HN points • 05 Feb 26
  1. China needs to boost domestic consumption to fix a demand shortfall, focusing especially on services and basic public services and raising incomes for rural and low‑income groups.
  2. The growth model should shift from investment/export‑led expansion to one driven by innovation and consumption, using ‘terminal demand’ to guide effective investment and letting inefficient capacity exit.
  3. Accelerating RMB internationalisation—by expanding the offshore RMB pool through RMB‑settled imports, making RMB settlement a market‑access condition, and developing offshore RMB financial products—can strengthen the currency’s global role and support domestic consumption growth.
Get a weekly roundup of the best Substack posts, by hacker news affinity:
Pekingnology • 79 implied HN points • 26 Jan 26
  1. Dominant currencies endure because of strong network effects, but that very stability can create problems that weaken the incumbent and open a brief window for challengers.
  2. Economic size alone won’t make a currency central. A country also needs deep, liquid financial markets and trusted institutions, so timely, decisive reforms are essential to seize any opening.
  3. For the RMB to move toward the centre, China must deepen onshore markets, allow a more flexible exchange rate, open the capital account steadily, and build trusted payment and digital infrastructures. If these reforms are implemented well, the RMB can become a credible, stabilising force in a more multi‑centre monetary system.
Some Unpleasant Arithmetic • 11 implied HN points • 18 Jan 26
  1. Milei’s shock-therapy disinflation has stalled and even reversed, forcing a shift to slower, reserve-building policies; now the government must juggle a painful tradeoff between lowering inflation, rebuilding reserves, and keeping growth.
  2. Sustainable reserve accumulation is the linchpin for stability — without reserves confidence collapses, capital flight resumes, and the country risks sudden funding stops; relying on foreign borrowing or a hoped-for export/FDI boom is risky given big upcoming dollar debt needs and large private dollar holdings.
  3. A major evangelical presidential surge looks unlikely in the short run because Milei’s economic project both competes for the same support and hasn’t produced the large-scale displacement that typically fuels pentecostal political power, though long-term economic dislocation could change that dynamic.
Chartbook • 414 implied HN points • 26 Jan 25
  1. Flexible exchange rates can cause uncertainty, which some countries try to avoid, leading to a 'fear of floating'.
  2. The discussion around the realities of the global exchange rate system helps us understand how it impacts economies worldwide.
  3. Lessons from past conferences on floating exchange rates are valuable for grasping their long-term effects and challenges.
Chartbook • 329 implied HN points • 14 Feb 25
  1. The dollar is currently overvalued, which could have serious economic impacts. This means that the dollar's strength might not reflect the true value of the economy.
  2. Ethiopia is facing challenges with its economic reforms. These reforms are crucial for the country's future stability and growth.
  3. Kashmir is experiencing threats from panzootic diseases. This situation poses risks to both human health and local wildlife.
Klement on Investing • 3 implied HN points • 20 Nov 25
  1. GDP per capita is a poor proxy for living standards and doesn’t tell you how well people actually live, so blunt comparisons (like Europe vs a US state) are misleading.
  2. Which exchange rates or base years you use (current dollars, constant dollars) can swing GDP comparisons a lot, letting statistics be used to support very different narratives.
  3. GDP per capita adjusted for PPP better reflects what people can buy with their income and usually narrows gaps with the US, but it’s more complex and rarely used in media headlines.
Musings on Markets • 0 implied HN points • 08 Jan 16
  1. Interest rates and exchange rates are key players in finance because they affect investment returns and company earnings. Trying to predict changes in these rates can lead to mistakes.
  2. There is no one-size-fits-all risk-free rate; it varies by currency and country. To find a risk-free rate, you need to account for local factors like government bond rates and default risks.
  3. When dealing with different currencies, it's important to stay consistent in your valuations. This helps make sure that changes in inflation and risk are accounted for fairly across different currencies.