• Binance leads all exchanges in BTC futures open interest at 134,620 BTC, while CME posted the strongest 24-hour gain at plus 6.16% on May 2.
• Deribit’s 29MAY26 $80,000 call holds 7,493.7 BTC in open interest, the largest single options contract across all venues.
• With bitcoin at $78,418, the price sits near Deribit’s $78,000 max pain level ahead of the May 3 expiry, putting dealers in focus.

According to coinglass.com stats, total BTC options open interest sits at roughly $30 billion as of May 2, 2026, with bitcoin changing hands at $78,418. The figure marks a recovery from the lows seen in late January and February, when open interest dropped below $25 billion alongside a price slide that took bitcoin under $70,000.

Futures open interest (OI) tells a similar story. Exchange-level data shows Binance leading with 134,620 BTC in futures open interest worth $10.55 billion, followed by CME at 117,320 BTC at $9.20 billion. Gate holds 68,860 BTC at $5.40 billion, while MEXC logs 78,430 BTC worth $6.15 billion. Bybit clocks in at 59,890 BTC, or $4.70 billion.

Bitcoin futures open interest on May 2, 2026.

CME’s 24-hour OI change of plus 6.16% stands out against the rest of the field. Most other exchanges posted mild declines over the same window, with BingX a notable outlier, shedding 54.60% in 24-hour OI. Kucoin bucked the trend with a 4.32% gain.

On the options side, calls hold the edge over puts in open interest. Total call open interest sits at 241,222.88 BTC compared to 169,755.09 BTC for puts, giving a call-to-put ratio of roughly 58.69% to 41.31%. In 24-hour volume, puts have taken the lead at 53.65% versus calls at 46.35%, pointing to near-term hedging activity from traders.

Bitcoin options open interest on May 2, 2026.

The most actively held options bet on Deribit is a call contract giving buyers the right to purchase bitcoin at $80,000 before May 29, with 7,493.7 BTC worth of open positions sitting behind it. Close behind is a December 2026 call targeting $120,000, holding 6,600 BTC in open interest, followed by a June 2026 call at the $90,000 strike with 6,362.7 BTC. On the bearish side, the largest put contract is a December 2026 position that pays out if bitcoin falls to $60,000, carrying 5,298.9 BTC in open interest.

CME options open interest stacked by expiration shows contracts due in one to two months dominating the structure. The CryptoQuant chart covering mid-2025 through early May 2026 shows a sharp contraction from the November 2025 peaks, when total CME options OI approached 70,000 contracts. Current levels are running between 8,000 and 14,000 contracts per expiration cycle.

The CME put-versus-call breakdown, logged by Cryptoquant, shows puts consistently outpacing calls in USD terms through February and March 2026 before leveling off. Call interest has started to rebuild through April, though both categories remain well below the late-2025 highs.

Max pain levels vary by exchange heading into the May 3 expiry. Deribit places the current max pain level near $78,000, with longer-dated expirations showing a downward curve toward $69,000 and below for the March 2027 contract. The June 2026 expiry shows the largest notional value on Deribit at roughly $9 billion.

Binance‘s max pain data shows a different curve. The May 29 expiry carries a max pain level near $75,000 and the largest notional bar, while the June 26 contract sits at approximately $75,000 in max pain as well. The September 25 expiry pushes toward $84,000 before the curve drops back again.

OKX max pain for the May 3 expiry reads near $65,000, one of the more bearish near-term readings across exchanges. The March 2027 contract shows a sharp upward spike in notional value with a max pain level climbing back toward $78,000.

With bitcoin at $78,418, it sits above the near-term max pain levels on Binance and OKX but essentially on top of Deribit’s reading. Options dealers managing exposure near expiry could be a quiet force shaping price action through the weekend.

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