Bitcoin’s golden cross now has to survive a Fed rate hike

The price of long-term money has already undone the trade that lifted Bitcoin. The 30-year Treasury yield closed at 5.37% on Thursday, its highest level since before the 2008 financial crisis. Three weeks ago, a sudden drop in that same yield set off Bitcoin’s 25% squeeze, and the squeeze is what finally pulled the 50-day moving average back above the 200-day for the first time since November.

So Bitcoin heads into the Federal Reserve’s Sept. 15-16 meeting holding a bullish chart signal while the bond market takes back the support underneath it. Near $77,400 late Friday, it was 38.6% below its October record, up 22% over 30 days and down 3% over seven, according to CoinGecko.

The hike itself is close to a formality. The part the market has not settled is the calendar. In each of Bitcoin’s three completed bear markets, the bottom arrived between 363 and 406 days after the cycle peak. Counted from last October’s top, that window opens in the first week of October and shuts in mid-November, and the golden cross, the Fed and the ETF bid all have to be read against it.

Crypto Brief

Key Takeaways

5 Points30s Read

1. 01The trigger–Bitcoin’s 25% August squeeze began when the Treasury doubled long-bond buybacks and the 30-year yield fell to 5.19%. That yield closed at 5.37% on Thursday.
2. 02The Fed–August CPI rose 0.4%, with gasoline behind more than a third of the gain. Odds of a hike at the Sept. 15-16 meeting jumped to about 90%.
3. 03The signal–The Sept. 8 golden cross came 70 days after the June 30 low, matching the timing of the 2015, 2019 and 2023 crosses that were up 27% to 128% a year later.
4. 04The risk–The only golden cross that formed before a bear-market bottom, in July 2014, was 53% lower a year on. A close below $58,524 would put this cycle on that path.
5. 05The window–Earlier cycle lows came 363 to 406 days after the peak, which puts this cycle’s window between Oct. 4 and Nov. 16.

How a Treasury buyback lit the August squeeze

For most of July and the first half of August, Bitcoin sat between $62,000 and $66,600, close to where it landed after the June breakdown TECHi covered in why Bitcoin was falling so hard. The break came from the Treasury, not from crypto. After the department said it would double its buybacks of the longest-dated bonds to $4 billion per operation, the 30-year yield fell from 5.28% to 5.19% in a single session, according to FRED’s daily series. Bitcoin went from a $64,681 close to $78,326 in three sessions, and CoinDesk counted roughly $4 billion of bearish crypto positions liquidated over two of them.

The order of events matters. A coin that pays no interest competes directly with what long bonds pay, so a nine-basis-point drop in one day loosened the one constraint that had kept buyers patient. Shorts who had leaned on the summer range became forced buyers. Spot demand came after them.

Then the ETFs arrived. U.S. spot Bitcoin funds put together their best three weeks of the year, taking in $3.8 billion, including $731 million on Sept. 3 alone, their biggest day since mid-January. BlackRock’s IBIT took $454 million of that, according to SoSoValue data reported by Yahoo Finance. Even so, the same data left the funds about $1 billion in net outflows for the year. The rally was real. The ownership base beneath it is thinner than the three-week number suggests.

The yield that started the rally has turned

The variable that opened the door is now closing it. The same FRED series shows the long bond back at 5.28% on Sept. 9, exactly where it sat before the buyback news, and at 5.37% a day later. Brent crude, which the EIA’s spot series had at $100.52 a barrel on Sept. 3, settled at $109.51 on Sept. 9.

Friday’s inflation report explains why the Fed is expected to act. The Bureau of Labor Statistics said consumer prices rose 0.4% in August after 0.1% in July, lifting the annual rate to 3.4%. Gasoline climbed 3.9% in the month and accounted for more than a third of the increase. Core prices, which strip out food and energy, rose 0.3% and are up 2.4% from a year earlier.

That split carries the second mechanism in this story. Core inflation at 2.4% does not describe an overheating economy. The 3.4% headline is an energy shock tied to the Iran war, and a central bank that hikes into a supply shock is buying credibility, not fighting demand. Credibility hikes tend to arrive as one or two moves rather than a long campaign, which is why the Fed’s projections will matter more to Bitcoin than the decision.

CBS News reported that CME FedWatch odds of a quarter-point hike jumped to 90% after the data, from 70% the day before. It would be the Fed’s first increase in more than three years, and it would come under Chair Kevin Warsh. In April, Jerome Powell was still signaling no hike despite the oil shock.

Flows noticed. After the three-week run, the ETFs lost $449 million over the first three trading days of this week, including $282.6 million on Thursday, the largest single-day outflow since July 13, according to SoSoValue data cited by Cointelegraph. The Crypto Fear & Greed Index fell from 74 a week earlier to 56.

Which golden cross is this one?

A golden cross is a lagging signal. The 50-day average only climbs through the 200-day after prices have already recovered, so what matters is where in the cycle it shows up. TECHi ran the crossover on Alpha Vantage daily closes back to 2014. There have been 11 golden crosses since then, and Bitcoin was higher a year later after eight of them.

The three failures have something in common. The May 2025 cross formed four and a half months before the cycle peak and was down 32.5% a year later. The September 2021 cross came about seven weeks before that year’s top and lost 59%. The July 2014 cross is the one that matters now: it formed seven months after the December 2013 peak, inside a bear market that had not finished, and Bitcoin was 53% lower a year on.

The crosses that worked came after the bottom was already in. Bitcoin’s July 2015, April 2019 and February 2023 crosses arrived 181, 130 and 78 days after their cycle lows and were up 128%, 27% and 91% a year later. The latest cross came on Sept. 8 at a close of $78,447, 70 days after the June 30 low of $58,524. On timing alone, it looks like a post-bottom signal. It is only as good as that June low.

Why October and November carry the weight

Bitcoin’s halving-driven cycles have produced three completed bear markets in the daily record. On closing prices, the 2013-14 decline lasted 406 days and erased 84.5%. The 2017-18 decline lasted 363 days and took 83.3%. The 2021-22 decline lasted 378 days and took 76.6%. This cycle’s peak close was $124,720 on last Oct. 6, and the June 30 low came 267 days later, 53.1% down.

Two readings fit those numbers. One says the cycle has compressed. Drawdowns have shrunk every time, and ETFs and corporate treasuries have put a more patient holder under the market than existed in 2014 or 2018. On that view, June was the bottom, roughly three months earlier than any prior low and more than 20 points shallower than 2021-22.

The other says the clock simply has not run yet. Counting 363 to 406 days from the October peak puts the window between Oct. 4 and Nov. 16, which would line up a retest with the Fed’s first hike and its October meeting. TECHi’s halving-cycle analysis lays out the longer pattern running into 2028.

The lines that decide between them are plain. A daily close below $58,524 would erase the post-bottom reading and put this cycle on the 2014 path, golden cross and all. Holding the 200-day average, near $70,000, through mid-November would make June look like the low the older cycles needed a full year to reach.

Who is buying near $77,000

Strategy, the largest corporate holder, came back for exactly one week. Its Aug. 31 filing shows 4,603 Bitcoin bought between Aug. 24 and Aug. 30 for $369.7 million, an average of $80,318 a coin, lifting its holdings to 845,050 at an average cost of $75,412. That ended a stretch in which it raised cash from share sales without buying any Bitcoin. The following week’s filing showed no Bitcoin purchases and no stock sold through its at-the-market program. Strategy instead spent $176.3 million repurchasing STRC preferred shares and doubled that repurchase authorization to $2 billion.

The cost basis deserves more attention than the headline holdings. At $77,400, Bitcoin sits about 2.6% above Strategy’s average price, and the August purchases are already under water. Strategy pays for coins by selling stock, so its pace depends on how MSTR shares trade against the Bitcoin behind them. A slide toward the June low would put the whole stack below cost again. Picking a preferred-stock buyback over more Bitcoin one week after paying $80,318 a coin is an early sign of how price-sensitive that bid has become.

The longer horizon has an AI-built shortcut in it

Price is not the only clock. On Sept. 9, a group of 36 researchers posted ECDSA.Fail, an open competition in which humans and AI agents submitted verified improvements to the quantum circuit that would attack secp256k1, the elliptic curve behind Bitcoin’s signatures. Together they cut the benchmark, peak logical qubits multiplied by Toffoli gates, by 86.1%. The best design needs 1,151 logical qubits and about 1.3 million Toffoli gates for the point-addition step.

That is a cheaper blueprint, not a working machine. Logical qubits are error-corrected qubits, and running this circuit is still well beyond any disclosed hardware. What changes is the timeline argument. NIST’s draft transition plan would disallow ECDSA at Bitcoin’s 128-bit strength in U.S. federal systems after 2035, and AI-assisted search has just shrunk one of the cost estimates that critics of an early migration rely on.

Bitcoin’s own fix is still a draft. BIP-360, which proposes a Pay-to-Merkle-Root output type, has been open since December 2024. It would protect coins whose keys sit exposed on-chain for long stretches, not transactions caught in the mempool. For long-term holders, the variable to track over the next cycle is governance speed, because the threat estimates are now falling faster than the proposals are moving.

The first test is Wednesday

A hike is expected, so the projections will do more work than the decision. If the dot plot shows one more increase at most and the 30-year stops climbing, the post-bottom reading survives. If Warsh signals a campaign, the market will be asking a fresh golden cross to hold through the exact weeks when every earlier bear market found its floor.

For a live read between now and then, TECHi’s Bitcoin price page tracks the spot rate. The June 30 close of $58,524 is the line. Everything above it is still a recovery with something to prove.