Bitcoin token between rising call demand and restrained spot market pressure

Bitcoin Call Demand Builds, but Spot Buyers Still Haven’t Taken Control

By Isaac • September 8, 2026 7:14 pm • Comments

Bitcoin traders are paying more for upside exposure, and money is still moving into the biggest U.S. spot exchange-traded fund. That sounds like a clean bullish setup.

It isn’t—not yet.

The latest market data shows a sharp split between the investors positioning for a move higher and the traders actually buying Bitcoin on spot exchanges. Until those two groups start moving together, another run above $80,000 could remain fragile.

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Options traders are leaning toward calls.

CryptoSlate summarized Glassnode’s latest Market Pulse and reported Bitcoin trading near $78,800 Tuesday after its latest attempt to hold above $80,000 failed, putting the gap between derivatives optimism and actual exchange demand back at the center of the market.

The most notable change came from the options market, where traders shifted away from the defensive pricing seen in the previous weekly reading. Bitcoin’s 25-delta skew moved from positive 0.79% to negative 2.05%, a material reversal in the relative price investors were paying for calls and puts.

Under the convention used in the report, that means calls became relatively more expensive than puts—a sign that traders were willing to pay more for upside exposure even though Bitcoin had not established a durable foothold above the round-number resistance level.

That shift matters because it reverses the more defensive posture seen a week earlier and arrived alongside a rise in weekly U.S. spot Bitcoin ETF inflows from $247.8 million to $681.2 million. Options traders are no longer paying the same premium for downside protection, but the underlying spot CVD remained negative at $29.6 million.

They are starting to price in a better chance of another advance.

The report also showed weekly U.S. spot Bitcoin ETF inflows climbing to $681.2 million from $247.8 million. At the same time, spot CVD improved to negative $29.6 million from negative $84.9 million, so exchange selling eased without fully giving way to aggressive buying.

Futures open interest remained elevated near $37 billion. That combination—richer calls, stronger fund flows, and stubbornly negative spot execution—is why the market looks constructive but not yet confirmed.

ETF demand is providing real support.

The options signal is not happening in isolation. The same comparison put weekly U.S. spot Bitcoin ETF inflows at $681.2 million, up from $247.8 million in the prior observation.

That is meaningful capital entering regulated Bitcoin products. It gives the bullish positioning more substance than an options move by itself.

Separate same-day data from The Kobeissi Letter said BlackRock’s IBIT had attracted $3.7 billion so far in the quarter and $459.8 million in September. Those figures use a different measurement window, but they point in the same direction: institutional demand has not disappeared just because Bitcoin struggled around $80,000.

Spot flow is still the missing piece.

The caution flag is spot cumulative volume delta, or CVD. It improved from negative $84.9 million to negative $29.6 million, which means aggressive selling eased considerably.

But the reading remained below zero, so market sellers still outweighed market buyers.

That distinction is easy to miss. Less selling is constructive, but it is not the same thing as buyers taking control.

Perpetual futures showed similar hesitation. The report placed futures open interest near $37 billion, while perpetual CVD remained negative and long-side funding payments cooled.

Traders still have plenty of leverage in the market, but they are not pressing the long side with the conviction normally associated with a durable breakout.

The setup is therefore better than it was, but still incomplete. ETF investors are adding capital while options traders are paying up for calls.

Spot selling pressure is fading. The confirmation bulls need is a turn to positive spot flow while ETF demand stays firm.

If that arrives, Bitcoin’s next move above $80,000 would have a broader base. If it does not, the options market may be getting ahead of the buyers who ultimately have to carry the price.

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