Bitcoin futures open interest fell by $1.4 billion in the week through October 4, 2026, while aggressive spot trading shifted from net selling to net buying. That is a mixed weekly snapshot—not proof of a market reversal: long-side funding payments increased, recently active capital measures edged higher, and U.S. spot Bitcoin ETF inflows slowed sharply even as they remained positive.
What changed in Bitcoin markets during the week to October 4?
Glassnode’s BTC Market Pulse: Week 41, published October 5, 2026, recorded a 3.8% decline in aggregate Bitcoin futures open interest, from $38.0 billion to $36.6 billion. Open interest is the nominal value of outstanding futures contracts, not a count of traders or a direct measure of each account’s leverage.
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At the same time, spot cumulative volume delta (CVD) rose from -$102.8 million to +$33.2 million. Glassnode describes that change as aggressive spot taker flow turning from net selling to net buying. It is evidence of a change in trading aggression over the measured period, not proof of new investor capital or fiat entering the market.
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How to read the futures decline alongside rising funding
Futures open interest can decline when contracts are closed or expire; the aggregate figure alone does not reveal which traders exited, why they did so, or how positions were collateralized. As CryptoSlate’s coverage notes, account-level leverage and collateral matter when assessing position vulnerability. Glassnode said open interest remained near its high band and that aggregate leverage was still elevated relative to its statistical range.
Meanwhile, long-side funding payments rose from $926,400 to $1.5 million. Funding is a payment between holders of long and short perpetual futures positions; it helps keep perpetual contract prices aligned with spot markets. The increase indicates stronger long-side demand on this measure, even as open interest fell. Glassnode said funding remained within its statistical boundaries, so the reading is not evidence of an extreme imbalance.
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These measures should be read together rather than collapsed into a simple claim that bullish leverage was “wiped out” or that the market became safe. Lower open interest does not settle the question of leverage risk, and higher long funding shows that demand for perpetual exposure strengthened on the reported measure.
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The CVD move is a positive change in taker-flow direction, but it came without an increase in reported daily spot volume: Glassnode’s figure edged down from $6.0 billion to $5.9 billion. The report also said CVD remained within its range. Taken together, the data supports a recovery in short-term buyer conviction, not a claim that a durable spot-demand trend is established.
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CVD tracks whether aggressive market orders are predominantly buying or selling over a period. It does not identify whether those orders came from new investors, existing holders, or other market participants. For metric definitions and context, see Glassnode’s derivatives metrics documentation.
What on-chain indicators say about recently active supply
Two Glassnode cohort indicators also moved higher during the week:
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- Hot Capital Share rose from 18.9% to 19.5%, a 3.1% increase as reported by Glassnode.
- Short-term-to-long-term holder supply ratio rose from 13.7% to 14.2%, a 4.2% increase as reported by Glassnode.
These measures add evidence of a larger share of recently active or shorter-term supply. They are cohort and activity indicators—not a count of newly onboarded investors, and not proof that the coins represented are being sold. Glassnode explains its realized-cap age bands in its Realized Cap HODL Waves guide and its holder cohorts in its long- and short-term holder supply guide.
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U.S. spot Bitcoin ETF netflows remained positive at $208.1 million for the week, but fell 87.7% from the previous week, according to Glassnode. ETF trade volume also declined 11.8% to $10.8 billion. Positive netflows are a supportive data point, but the sharp weekly slowdown is a counterweight to the improved spot CVD reading—not a fresh surge in demand.
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ETF flows and spot CVD describe different activity: one tracks net flows into or out of U.S. spot funds, while the other captures aggressive buying and selling in spot markets. Neither should be treated as a substitute for the other.
What would confirm that spot demand is holding up?
The useful question is whether positive spot taker flow and positive ETF netflows persist while active supply is absorbed. A single week cannot answer that. In subsequent data, watch for whether spot CVD stays positive and ETF netflows remain positive, alongside changes in holder profitability and active supply. Renewed spot taker selling or weakening holder profitability would make the current improvement look more fragile.
Glassnode describes its market data as informational and educational, not a basis for investment decisions. Its exchange-balance metrics also rely on address labels and proprietary clustering, which may not capture every exchange reserve when an exchange does not disclose its addresses. Those limitations matter when interpreting aggregate on-chain readings as well as derivatives data.
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