Bitcoin Derivatives Exposure Near $100 B as Calls Dominate Options Market

Bitcoin’s price hovered near $81,273 on September 19, 2026, while the derivatives market expanded to almost $100 billion in combined futures and options exposure.

Futures Open Interest Highlights

• Aggregate futures open interest: ~ $56.3 B.
• Binance leads with 144,810 BTC ($11.77 B), representing 20.89% of the market.
• CME follows with 107,450 BTC ($8.74 B, 15.5%).
• Bybit, Gate, MEXC, Hyperliquid and OKX each hold between $3 B and $5.4 B.

Options Market Skewed Toward Calls

• Total options open interest: ~ $42 B, equivalent to 512,539 BTC.
• Calls account for 60.74% (311,307 BTC); puts 39.26% (201,232 BTC).
• 24‑hour volume mirrors the skew: calls 59.01% (30,278 BTC) vs. puts 21,028 BTC.
• Largest call contracts on Deribit (September 25 expiration): $70,000 strike (10,916 BTC), $85,000 strike (10,202 BTC), $90,000 strike (9,544 BTC).
• Significant put exposure also exists, e.g., $70,000 put (8,642 BTC) for the same expiration.

Max‑Pain Levels Below Spot

• Deribit max‑pain for September 25 sits near $72,000.
• Binance max‑pain: ~ $76,000; OKX: ~ $75,000.
• All three levels are below the current spot price of $81,273, indicating a gap of roughly $5‑9 k.

Implications

The concentration of call contracts around strikes from $70,000 to $100,000 suggests traders are positioning for upside moves, yet the max‑pain metrics imply a potential pull‑back toward lower levels before expiration. The sizable open interest underscores the amount of capital tied to Bitcoin’s near‑term price trajectory.