0 · A Quick Glossary Before You Read On

If you're new to reading the Fed, don't try to memorize every acronym. Just think of them as valves in a single plumbing system for money.

1 · The Fed Steers Two Different Things

The most common misunderstanding is thinking the Fed has just one lever called "interest rates." In reality, the Fed runs monetary policy through two layers.

When the Fed raises rates, it makes the price of money more expensive. When the Fed shrinks its balance sheet through QT, it makes the quantity of liquidity in the system thinner. These two usually move together during a tightening cycle, but they don't always stay in sync.

2 · QE: When The Fed Trades Bonds For Liquidity

QE, short for quantitative easing, is when the Fed buys large quantities of U.S. Treasury bonds or mortgage-backed securities (MBS). On its balance sheet, the Fed's bond holdings grow. The banking system gets more reserves at the Fed.

Put simply: QE isn't just "printing money." The more accurate mechanism is that the Fed trades bonds out of the market's hands for newly created reserves. When the Fed buys a lot of bonds, fewer safe bonds remain in the market. Bond prices get support, yields fall, and financial conditions ease.

That's why QE periods tend to create the feeling that money is everywhere. It's not that cash flows directly into stocks - it's that safe assets pay too little interest. Investors start hunting for returns in riskier places: corporate bonds, equities, private funds, real estate, crypto.

3 · QT: When The Fed Gradually Withdraws Its Liquidity Cushion

QT, short for quantitative tightening, is the reverse of QE. The Fed doesn't need to sell bonds off. It simply lets bonds mature without fully replacing them. The balance sheet shrinks gradually.

As QT runs, the Fed's bond holdings decline. Absent an offsetting factor, bank reserves also fall. The system shifts from "very flush with cash" to "still adequate." If the drawdown goes too far, short-term lending markets can start to strain, since anyone needing overnight cash must pay a higher rate for it.

The Fed began its most recent round of QT in June 2022. By late 2025, the Fed announced it would stop letting assets roll off starting December 1, 2025, after its securities holdings had already fallen by more than $2.2 trillion. After that, the Fed shifted to buying short-term bonds to keep reserves at an adequate level. This point matters: the period after QT doesn't necessarily mean a return to stimulative QE. There's a middle ground called reserve management purchases - the goal is to keep the system running smoothly, not to push long-term yields down the way crisis-era QE did.

4 · Repo: The Short-Term Liquidity Injection Valve

Repo is the operation through which the Fed injects short-term cash into the system. The Fed buys securities from a market participant today and agrees to sell them back later. Economically, repo works like a collateralized loan: the counterparty gets cash, and the Fed holds bonds as collateral.

When repo is used, reserves rise temporarily. This eases stress when the market needs overnight cash. The Standing Repo Facility therefore acts like a safety valve: if the market gets too tight, eligible institutions can bring high-quality bonds to the Fed to borrow cash short-term.

5 · Reverse Repo And ON RRP: The Overnight Cash Parking Lot

Reverse repo is the mirror image of repo. The Fed takes in cash from financial institutions and hands over bonds as collateral, then reverses the trade the next day. The result is that cash is temporarily pulled out of the system.

ON RRP - the overnight reverse repo facility - became especially important after major QE episodes. When the system has too much cash sloshing around, money market funds need a safe place to park it overnight. The Fed provides ON RRP as a parking lot with a preset rate.

When ON RRP balances rise sharply, it means a lot of cash is being temporarily parked at the Fed. When ON RRP falls, that cash can flow back into money markets. But don't mechanically assume a falling ON RRP balance means stocks are guaranteed to rise. The cash could flow into T-bills, repo, bank deposits, or risk assets. You have to track where the money actually goes, not just watch the balance shrink.

6 · IORB: The Anchor For Short-Term Rates

IORB is the interest the Fed pays on reserves that banks hold at the Fed. Think of it simply: banks that park money at the Fed also earn interest on it. In a system with abundant reserves, this is a critical tool for the Fed to control the overnight rate banks charge each other.

The logic is simple: if a bank can deposit money at the Fed and earn IORB, it won't want to lend to another bank at a much lower rate. So when the Fed raises IORB, short-term rates get pulled up. When the Fed lowers IORB, short-term rates tend to fall.

In short: IORB and ON RRP create a floor for short-term rates, while the repo facility caps how much rates can spike when the market runs short of cash. Together, they form the framework that lets the Fed keep the overnight rate within its target range.

7 · The Leverage Ratio: Liquidity Is Also Capped By Bank Balance Sheets

Beyond rates, QE/QT, and repo, the Fed has a less-discussed channel: bank capital and leverage rules. Put simply, these are laws that limit how far a bank can expand its balance sheet. They don't inject cash directly, but they can have a powerful effect on market liquidity.

The basic idea: a bank can't take unlimited deposits, buy unlimited bonds, do unlimited repo lending, and expand its assets without limit. Under requirements like the supplementary leverage ratio (SLR) or the enhanced SLR (eSLR - a stricter version for very large banks), a bank must hold enough of its own capital relative to the total size of its balance sheet. The notable quirk is that this rule is fairly blunt: even safe assets like reserves at the Fed or U.S. Treasury bonds still take up room on the balance sheet.

For example: if the leverage ratio becomes the binding constraint, a bank might not want to take on more deposits, hold more reserves, or expand its repo book, because all of it inflates the balance sheet. When many banks face the same constraint at once, the Treasury and repo markets can end up short of intermediaries exactly when liquidity is needed most.

So when the Fed or bank regulators adjust the leverage ratio, the market reads it as a signal about the banking system's ability to absorb newly issued government bonds, supply repo funding, and keep money markets running smoothly. Tightening too hard can make the system safer on paper but less flexible under stress. Loosening too much can support liquidity but raise questions about how much capital cushion banks actually have.

8 · Money Supply: The Fed Prints Money, But It's Not As Simple As The Meme

The line "the Fed prints money so stocks go up" is partly true, but far too crude. The Fed can create reserves for banks. But those reserves aren't cash in people's wallets, nor are they the deposits businesses use to pay wages or buy goods every day.

QE directly raises the monetary base (currency in circulation plus bank reserves). But how much M1/M2 rises depends on deposits, credit, the volume of government bond issuance, flows into money market funds, and bank behavior. If banks don't expand credit, reserves can sit in the financial system without turning into a new wave of lending in the real economy.

9 · TGA: The Treasury Account Can Also Drain Or Inject Cash

TGA stands for Treasury General Account - the U.S. Treasury's account at the Fed. Picture it as the U.S. government's checking account. It isn't a monetary policy tool of the Fed, but it directly affects the amount of reserves in the banking system.

When the Treasury issues a lot of bonds and funnels the proceeds into the TGA, cash is pulled out of the banking system, so reserves usually fall. When the Treasury draws down the TGA to spend, cash flows back into the economy, so reserves usually rise.

So under the exact same rate policy, the market can react differently if the TGA is rising sharply or ON RRP is falling sharply. This is why macro watchers don't just look at the headline "Fed hikes/cuts rates." They watch the Fed's balance sheet, the TGA, ON RRP, and bank reserves all at once.

10 · The Effect On Each Market

Bonds

QE tends to pull bond yields down because the Fed buys large quantities of bonds out of the market. QT works in reverse: investors outside the Fed have to absorb more bonds, so yields can face upward pressure. The 2022-2023 rate shock showed that long-duration bonds are anything but "safe" if bought at the wrong time in a rising-rate environment.

Stocks

QE supports stocks because the discount rate is lower and investors are more willing to take on risk. QT creates pressure because cash has a safer alternative in T-bills, stock valuations get squeezed down, and speculative flows shrink. The strongest effects usually hit growth stocks, unprofitable tech companies, and assets that depend heavily on far-future earnings.

Crypto

Crypto is highly sensitive to USD liquidity because most of it lacks the intrinsic cash flows that would let it be valued like a stock. When real rates fall and liquidity rises, risk appetite tends to strengthen. When the Fed holds rates high while draining liquidity at the same time, crypto tends to swing harder.

USD and gold

When the Fed is hawkish, real rates are high, and the market is short of dollars, the USD is usually supported. Gold usually benefits when real rates fall, the USD weakens, or the market worries about systemic risk. So gold isn't just about watching QE/QT - you have to watch real rates and confidence in the financial system.

11 · How To Read The Fed Without Getting It Wrong

Don't just ask: did the Fed hike or cut rates? Ask all five questions:

1. Where is the price of money headed? Are the policy rate, IORB, and real rates rising or falling?
2. Where is the quantity of liquidity headed? Are the Fed's balance sheet, bank reserves, the TGA, and ON RRP injecting or draining?
3. Is the short-term money market under strain? Are repo rates, overnight rates, and demand for Fed borrowing facilities behaving abnormally?
4. Is the banking system's balance sheet constrained? Are SLR/eSLR and capital rules loosening or tightening?
5. How much new debt does the market have to absorb? Heavy government bond issuance while the Fed isn't buying is real pressure.

QE/QT is balance-sheet policy. Repo/reverse repo is the plumbing for short-term liquidity. IORB/ON RRP is the rate anchor. The TGA is a Treasury account that hits reserves directly. The leverage ratio is the regulatory layer that decides how wide or narrow the banking pipe is.

To read markets correctly, you have to separate two things clearly: is money cheap or expensive and is the system flush with cash or running dry. When money gets cheaper and liquidity rises, risk assets usually breathe easier. When money gets more expensive and liquidity is withdrawn, markets enter a tougher environment - not necessarily because every company's story got worse, but because the valuation floor under the entire system has shifted.

12 · Fed Funds Is Just The Overnight Rate

One point that's easy to misread: when the press says "the Fed's interest rate," they usually mean the Fed funds rate - the overnight rate banks charge each other. This is the base rate for the very short end of the yield curve, not the rate a homebuyer, a corporate bond issuer, or the U.S. government pays on 10-30 year borrowing.

So the Fed can hold the overnight rate steady while the 30-year mortgage rate, corporate bond yields, or the discount rate used to value stocks still move if the 10Y Treasury yield rises or falls. The reason is that the market prices in inflation expectations, growth expectations, issuance risk, bond supply and demand, and term premium on its own. The Fed controls the very short end forcefully; the long end is where the market and the Fed engage in a tug-of-war.

This is a major distinguishing feature of the U.S. system: the Fed only directly controls the very short end of interest rates. Almost everything else - the 2Y, 10Y, 30Y Treasury, mortgage rates, corporate bond yields, credit spreads - is freely determined by the market through trading, auctions, and the risk appetite of global investors. The Fed can influence these through forward guidance, QE/QT, and policy expectations, but it doesn't sit there dictating every long-term yield day by day. This differs from more administratively managed systems like the PBoC or the SBV, where the central bank and the state have more administrative tools, credit-allocation directives, exchange-rate/capital controls, or more direct intervention in the cost of capital.

13 · Yield Curve Control: When A Central Bank Controls More Than Just The Overnight Rate

Yield Curve Control (YCC) is when a central bank doesn't just set the overnight rate, but also tries to anchor a point further out on the yield curve - say, 3 years, 5 years, or 10 years. If the market yield exceeds the target, the central bank buys bonds without limit, or at very large scale, to pull the yield back down. In plain terms: instead of saying "I'm setting the overnight rate at X," the central bank adds, "I don't want the 10-year yield to go above Y."

The U.S. ran YCC during World War II. In April 1942, at the Treasury's request, the Fed committed to keeping short-term Treasury bill rates around 3/8% and implicitly capped long-term government bond yields around 2.5% to finance the war more cheaply (Federal Reserve History). The cost was that the Fed had to buy government securities to defend the peg, making its balance sheet and the money supply hostage to the government's financing needs. By March 1951, the Treasury-Fed Accord separated public debt management from monetary policy and laid the groundwork for the modern independent Fed.

Japan is the best-known modern example, but the exact exit date matters: the BOJ no longer runs formal YCC as of March 19, 2024. Before that, as of January 2024, the BOJ was still buying JGBs "without an upper limit" to keep the 10-year JGB yield around 0%, with 1.0% treated as an operational reference point (BOJ, January 23, 2024). But on March 19, 2024, the BOJ declared that its QQE-with-YCC and negative-rate framework had fulfilled its role; from then on, the BOJ shifted to using the short-term policy rate as its main tool, while still buying JGBs and standing ready to respond if long-term yields rose too fast (BOJ, March 19, 2024).

Could YCC come back in the future? Yes, but usually only under extreme circumstances: war, a sovereign debt crisis, a deep recession, prolonged deflation, or when a government needs to keep borrowing costs low at any cost. For the U.S., YCC isn't the base-case scenario because it directly collides with the Fed's inflation-fighting credibility and independence. But if public debt swells, budget interest costs balloon, the bond market becomes disorderly, or there's a major fiscal war, political pressure demanding the Fed "stabilize yields" could return. At that point, the question is no longer whether the Fed can buy bonds, but whether the Fed is willing to sacrifice the free market in the yield curve to protect the fiscal position.

14 · How This Maps To Vietnam's SBV