The short version
- Bitcoin rose roughly 6% to above $81,000 on September 18, 2026, three days after the CLARITY Act cloture vote failed in the Senate.
- The Federal Reserve raised rates to 3.75%–4.00% on September 16; the Bank of Japan raised to 1.25% — a 31-year high — on September 18.
- $159.5 million in US spot Bitcoin ETF inflows and $238 million in short liquidations drove the recovery, per CoinShares.
- The yen weakened despite the BoJ hike, with USD/JPY rising to 157.65 after Governor Ueda gave no forward guidance on further increases.
The Senate Vote That Put Crypto Markets on Hold
The Digital Asset Market Clarity Act — known as the CLARITY Act, or H.R. 3633 — needed 60 Senate votes to advance to a floor debate on September 15, 2026. It got 49. The cloture vote fell short by roughly one vote, which meant the bill could not move forward and had no viable path to the Senate floor for the rest of 2026.
Crypto markets responded immediately. Bitcoin fell roughly 2.6% that day, sinking to around $76,350. Coinbase stock (COIN) dropped 6.7%, and Circle (CRCL), the company that issues the USDC stablecoin, fell 8%. The CLARITY Act would have set clear rules for which cryptocurrencies qualify as commodities versus securities — a question that has sat unresolved in American law for years.
The bill's failure matters because American crypto regulation has long been contested between the Securities and Exchange Commission and the Commodity Futures Trading Commission. The CLARITY Act was designed to resolve that dispute by statute. Without it, companies like Coinbase and Circle face the same uncertain legal environment they have operated in for the past several years.
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The Federal Reserve's Hike Added to Crypto's Headwinds
One day after the Senate vote, on September 16, 2026, the Federal Reserve raised its benchmark interest rate by 25 basis points — one quarter of a percentage point — to a range of 3.75% to 4.00%. Higher interest rates generally make riskier assets like Bitcoin less attractive compared with bonds and savings accounts, because safe investments start to pay more.
The Fed's statement also removed any projected interest-rate cuts from its so-called dot plot — the chart the Fed uses to signal where officials expect rates to go — through 2027. That detail hit financial markets harder than the rate move itself. It told investors that cheaper borrowing costs were not coming soon, which tends to suppress demand for assets that do not pay dividends or interest, including Bitcoin.
Together, the failed CLARITY Act vote and the Fed's tighter-than-expected stance gave crypto a difficult stretch. Bitcoin's price had bounced between $76,000 and $78,000 for two days after the Senate vote. Going into September 18, Bitcoin was sitting roughly 4% below the price it held before the Senate vote and the Fed meeting landed in quick succession.
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The Bank of Japan Hiked to a 31-Year High — and the Yen Still Fell
On the morning of September 18, 2026, the Bank of Japan raised its policy rate by 25 basis points to 1.25%, its highest level since 1995 — a 31-year record confirmed by Bloomberg and CNBC. The vote inside the BoJ's policy board was 7-2 in favor of the increase. The move made Japan the second major central bank to tighten rates within 48 hours, following the Fed on September 16.
Normally, a rate hike strengthens a currency by making its bonds more attractive to foreign investors. But the yen fell anyway. USD/JPY climbed back above 157 — CoinDesk cited 157.65 — after BoJ Governor Kazuo Ueda offered no forward guidance on further hikes. Two of the nine board members voted against the increase, and markets read the divided result as a signal that the BoJ would move more slowly than expected.
The yen's weakness matters for global crypto markets because a weak yen tends to push Japanese investors toward dollar-denominated assets that include Bitcoin. Babypips reported the yen sliding on the day of the hike, consistent with the CoinDesk figure. The table below compares the two rate decisions that landed within 48 hours of each other.
| Central Bank | Date | Change | New Rate |
|---|---|---|---|
| Federal Reserve | Sep 16, 2026 | +25 bp | 3.75%–4.00% |
| Bank of Japan | Sep 18, 2026 | +25 bp | 1.25% |
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ETF Inflows and Short Liquidations Did the Heavy Lifting
When Bitcoin climbed back above $80,000 on September 18, the immediate catalyst was not political or macroeconomic — it was flows. US spot Bitcoin ETF products attracted $159.5 million in net inflows that day, according to CoinShares. These funds buy actual Bitcoin and hold it in custody, so fresh inflows require fund managers to purchase Bitcoin in the spot market, pushing the price up directly.
At the same time, $238 million in short positions were liquidated, according to CoinShares and multiple crypto analysts. A short position is a bet that a price will fall. When the price rises instead, traders who placed those bets must close them out by buying Bitcoin — adding even more buying pressure on the market. The combination of new ETF buyers and short sellers forced to buy amplified the upward move.
The bar chart above illustrates the scale of each driver. Short liquidations at $238 million were larger than ETF inflows at $159.5 million, meaning forced buyers contributed more raw demand than voluntary ones on this particular day. Check the live Bitcoin price for current data. Neither number represents a verdict on Bitcoin's long-term direction — they describe what moved the market on one specific day.
- US spot Bitcoin ETF net inflows: $159.5 million (CoinShares, September 18, 2026)
- Short position liquidations: $238 million (CoinShares, September 18, 2026)
- Bitcoin intraday low: $76,205
- Bitcoin intraday high: $81,213 (Coinbase)
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Bitcoin Topped $80,000 Despite the CLARITY Vote and Two Central Bank Hikes
By the end of September 18, Bitcoin had traded as high as $81,213, according to data compiled from CoinShares, Yahoo Finance, and Coinbase. That put it roughly 6% above the prior day's open and more than $4,800 above the session low of $76,205. The Coinbase exchange confirmed the intraday high, and CryptoTimes placed the closing range between $80,941 and $81,213.
The recovery happened with both headwinds intact. The CLARITY Act's cloture vote had failed three days earlier and the bill has no viable path to the Senate floor for the rest of 2026. The Federal Reserve had made clear it did not plan to cut rates through 2027. The Bank of Japan had raised its rate to a 31-year high. None of those facts changed on September 18.
What changed was the balance between buyers and sellers. ETF inflows brought in new demand, and short liquidations added forced buying on top of it. The Bitcoin volatility tracker shows how these multi-day swing patterns — sharp drop on a negative catalyst, followed by a technical recovery — have appeared repeatedly in Bitcoin's history. The September 18 session was a textbook example of that pattern playing out.