Receipts: What Money Costs, Piece One — Money Costs Something (September 19, 2026)
The paperwork behind piece one of What Money Costs, on YouTube and TikTok. That video used no numbers from this week’s market on purpose. What it did use is arithmetic, official definitions, and a few pieces of history, and all of those have receipts. Everything I said is below, with where to read it yourself.
What I said on camera
Money costs something. The price is rent, and the rent on money is called interest. When the news says “rates,” that is all it means.
Almost everything big is built with rented money, so when the rent changes, everything built with it gets figured again, all at the same time.
The same $300,000 house costs about $731 a month more at seven percent than at three. Nothing about the house changed.
One price sits above four boards: stocks, gold, the dollar, and oil. When it moves, it leans on what is underneath it. Leans, not guarantees.
Two hands set the rent. The Fed sets it on overnight money between banks. The lenders set it on the government’s ten-year IOU, at a public auction and in daily trading after that.
A thirty-year fixed mortgage is built on the ten-year, not on the Fed’s rate.
You can look the ten-year up yourself, free, on the Treasury’s own page.
In the box that says “Select Type of Interest Rate Data,” pick Daily Treasury Par Yield Curve Rates. That is just the government’s name for a table.
Find the column that says 10 Yr. The bottom row is the latest reading. Treasury bases it on market quotes taken at approximately 3:30 PM Eastern each business day.
Write the number down. Then ask a bank what it would charge you for a new loan today, and look at the markup.
The house, to the penny
What I said
The record
How to check it
“At three percent, about twelve hundred and sixty-five dollars a month”
$1,264.81 a month on $300,000 over 360 monthly payments at 3.00%.
Standard loan payment formula; any mortgage calculator
“At seven percent, about two thousand a month, just under”
$1,995.91 a month, same loan at 7.00%.
Same formula
“About seven hundred and thirty dollars more, every month”
$1,995.91 minus $1,264.81 is $731.10.
Arithmetic
“About a hundred and fifty-five thousand in rent” at three percent
360 payments total $455,332; minus the $300,000 borrowed leaves $155,332 of interest.
Arithmetic
“About four hundred and eighteen thousand” at seven percent; “you buy it again, and then some”
360 payments total $718,527; minus $300,000 leaves $418,527 of interest, which is more than the house cost.
Arithmetic
The three percent and seven percent rates; the one percent and five percent banks
Round teaching numbers. They are not any bank’s or any country’s rate today.
—
The two hands, verified
What I said
The record
Where to read it
“The Fed sets the rent on the shortest money there is, the money banks lend each other overnight”
The federal funds rate is “the interest rate at which depository institutions lend reserve balances to other depository institutions overnight.” The Fed sets a target range for it.
“It holds an auction, in public… whatever rent the lenders demand, that’s the rate”
“All auctions are open to the public.” Bids are accepted from the lowest yield up until the whole offering is sold, and every winning bidder gets the rate of the highest accepted bid. For notes, “the rate is fixed at auction.”
“After the auction, those IOUs get bought and sold all day… the Treasury takes the reading around three-thirty every business day”
The daily table is built from “indicative quotations obtained by the Federal Reserve Bank of New York at approximately 3:30 PM each business day.” The auction sets the rate on new notes; the daily number comes from trading.
“A thirty-year fixed mortgage is built on that one, not on the Fed’s”
“The 30-year mortgage rate is benchmarked to the rate of the 10-year Treasury note. As the rate on the 10-year Treasury note moves, mortgage rates follow suit.” Adjustable mortgages and home equity lines follow the Fed’s rate more closely, which is why I said fixed.
The four boards, with the exceptions I said out loud
What I said
The record
Where to read it
“A stock is a piece of a company… a stock has to clear a higher bar”
“Stocks are a type of security that gives stockholders a share of ownership in a company.” An asset’s price “should equal the expected discounted value today of future payoffs,” and stocks are measured against what a less risky government bond pays.
“Gold pays no rent… it’s one weight on the scale… after 2022 it did exactly that”
Gold’s price “is expected to have a strong inverse relationship with the long-term real interest rate.” And the exception: “Since 2022… as real rates rose… gold prices also generally rose, supported this time by investors seeking to mitigate a variety of risks and by central bank buying.”
“That tends to lift the dollar. Tends to… It happened in April of 2025”
“When this interest rate differential… has increased, the US dollar has tended to appreciate. But exchange rates are affected by many factors.” The same article names the shock after April 2, 2025, when the gap widened and the dollar fell anyway.
A description, not a statistic: supply, shipping, and conflict move oil more than the price of money does on most days.
—
The markup, the zero percent car, and the old mortgage
What I said
The record
Where to read it
“Nearly every one of them is that number plus a markup”
The Federal Reserve publishes what banks charge: new car loans, personal loans, and credit cards, every month. Compare them to the ten-year yourself. The loans below it are subsidized promotions.
“Zero percent financing on a car… the carmaker is paying it for you, and often the price is a cash rebate you don’t get”
Zero percent offers are manufacturer incentives, offered alongside cash rebates, generally to buyers with the highest credit scores. The FTC’s own study recorded buyers being told a zero percent offer could not be combined with a cash-back offer. I said often, not always.
Since 1971, the gap between the average thirty-year fixed mortgage and the ten-year Treasury has averaged about one and three-quarter points, measured from Freddie Mac’s weekly survey and the Federal Reserve’s H.15 series. That is the markup, on the record, for fifty-five years. I kept the house.
The daily version of this
I’m Nathan Banks. I’ve been trading since 2001 and teaching the institutional framework, the Institutional Expansion Cycle™, since 2012. The class is free. The morning version of the reading, dated the same way, is the Daily Market Research. The free trade desk is at tradewithbanks.com/join. Nothing here is financial advice; trading involves risk.
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