BTC price on August 18, 4PM UTC

30-year Treasury yield hits 5.33%, a near 20-year high, on war fears

The 30-year yield reached 5.33% on Aug. 18, per Bloomberg, its highest since June 2007, as US-Iran peace prospects collapse. Global bonds followed — UK gilts near 6%, French costs at 2008 highs — tightening financial conditions broadly and raising Bitcoin's opportunity cost further.

Trump kills Iran deal revival, dimming Hormuz reopening hopes

President Trump stated the US will not seek to revive the stalled Iran truce and threatened to bomb Oman. Brent crude rose to $91.45/bbl on the news. Persistent oil above $90 reinforces second-round inflation risk, keeping central banks in tightening mode and risk appetite suppressed.

Equities hit multi-day losing streaks as volatility gauge surges

Nasdaq 100 futures fell 1.1%, the Stoxx 600 extended its losing streak to five straight sessions, and the CBOE VIX hit its highest in over a week. Broad equity deterioration driven by simultaneous rate and geopolitical shocks historically correlates with Bitcoin drawdowns.

Upbit operator Dunamu posts 49% revenue drop and 80% profit collapse in H1 2026

Dunamu reported KRW 408.1 billion ($275M) in H1 2026 revenue, down 49.1% year-over-year, while operating profit cratered 79.7% to KRW 111.5B ($75M). The depth of the profit decline signals a structural drop in trading activity at South Korea's largest exchange, not just margin compression.

KOSPI doubling in H1 2026 diverted retail capital away from crypto markets

Dunamu attributed its decline to reduced global digital-asset liquidity, and the story links the outflow directly to a KOSPI that more than doubled in H1 2026. South Korean retail investors are a historically significant Bitcoin demand pool, and their rotation into equities removes meaningful buying pressure.

Bithumb joins Upbit with a parallel 50% revenue decline, widening the signal

Both of South Korea's leading exchanges reported roughly 50% revenue declines in the same period, making this a market-wide contraction rather than an Upbit-specific issue. Broad-based volume erosion across the country's top venues reinforces the bearish read on regional crypto demand.

30-year yield hits 5.31%, near-20-year high, compounding risk-asset pressure

The 30-year Treasury yield surged nearly 6 basis points to 5.31% on August 17, its highest since 2007 and up 13 basis points on the month. At these levels, ultra-safe long bonds absorb capital that would otherwise chase speculative assets like Bitcoin.

2-to-30-year yield spread widens to 113 bps, flagging stagflation fears

The gap between 2-year (down 12 bps this month) and 30-year yields widened to 113 basis points — the steepest since April — as weak jobs and retail data mix with sticky inflation above 3.4% CPI. Barclays says no reversal is in sight without a fiscal or issuance surprise.

AI-driven corporate issuance and falling buyer demand entrench higher long yields

Corporate borrowing to fund AI expansion is flooding the long end of the bond market just as traditional buyers retreat. The Treasury cleared $25 billion in 30-year bonds at 5.216% — the highest auction rate since 2001 — signaling demand for extra yield compensation that keeps Bitcoin's hurdle rate elevated.

Jane Street added $630M in Bitcoin ETFs in Q2, hitting $1.06B total

SEC 13F filings show Jane Street accumulated $630 million in Bitcoin ETFs in Q2 2026, bringing its total to roughly $1.06 billion. The headline figure looks bullish, but 13Fs are point-in-time snapshots and the firm's authorized participant role means holdings reflect ETF creation mechanics, not a conviction directional trade.

Jane Street slashed Bitcoin ETF exposure by 71% just one quarter earlier

In Q1 2026, Jane Street cut its IBIT stake from ~20.3 million to ~5.9 million shares and trimmed its FBTC position by 60%, reducing total Bitcoin ETF holdings by 71% per SEC filings. The sharp reversal illustrates how rapidly these positions swing with client flow and hedging needs, not market outlook.

Authorized participant role explains the volatility, not investor conviction

Jane Street operates as an authorized participant for BlackRock's IBIT and Fidelity's FBTC, competing with Citadel Securities and Virtu Financial in the same space. AP holdings accumulate and drain mechanically to keep ETF prices aligned with net asset value — a structural function that should not be read as a bullish directional bet on Bitcoin.