Friday's $11 billion Bitcoin options expiry: what the positioning tells traders
Calls outnumber puts almost two to one, max pain sits at $78,000 and much of the upside bet is far out of the money. How to read the October expiry.
TRADINGBITCOINANALYSIS
Daniel Hartley
10/28/20263 min read
On Friday, October 30, at 08:00 UTC, roughly 135,000 bitcoin options contracts on Deribit reach expiry, carrying a notional value of about $10.92 billion, according to Deribit data compiled by Huo Xing Finance. The put-to-call ratio is 0.53, and the so-called max pain price, where option buyers collectively lose the most, sits at $78,000. Ether options worth around $776 million expire at the same time, with a put-to-call ratio of 0.77 and max pain at $2,500. Monthly expiries rarely move markets on their own, but this one lands two days after a Fed decision and one day after a key inflation print, and the positioning says a lot about how traders' expectations have shifted during October.
A book built for a different market
The first thing that stands out is how call-heavy the book is. With roughly one put for every two calls, the structure reflects optimism that was widespread earlier in the month. At the start of October bitcoin climbed from about $83,500 to $86,500, perpetual futures open interest rose by roughly 27,000 BTC to around 653,000 BTC according to CoinGlass data cited by CoinDesk, and funding rates jumped. Traders bought upside exposure into that move.
The strike distribution shows where those bets went. A mid-October snapshot of Deribit data published by CryptoTicker showed the largest blocks of call open interest at the $95,000 strike, followed by $90,000 and $100,000, while put interest was concentrated far lower at $70,000, $72,000 and $75,000. With bitcoin trading around $80,000 to $81,500 this week, those large call positions are well out of the money and, barring a sharp rally in the next two days, are set to expire worthless.
Why max pain gets too much attention
Max pain is the most quoted number before every expiry and also the most misunderstood. It is simply the settlement price at which the total payout to option holders would be smallest. The popular theory holds that price gets dragged toward it because option sellers, often market makers, benefit from that outcome. In practice, the link is weak. Bitcoin's spot and perpetual markets are far larger than the expiring options book, and most dealers hedge their exposure rather than trying to steer the price.
What can matter is hedging flow near large strikes. When dealers are long options close to the current price, they tend to buy dips and sell rallies to stay hedged, which can dampen volatility and make the price look pinned. When they are short options near spot, the effect reverses and moves can accelerate. With most of the open interest sitting far from the current price, the pinning effect this week is likely to be modest. The $78,000 max pain level happens to sit close to the cost-basis support levels that on-chain analysts are watching, which makes it a convenient reference, but it is not a magnet.
What to watch on the day
Three things deserve more attention than max pain. The first is implied volatility. Deribit implied volatility was around 32% annualised in mid-October, low by bitcoin's historical standards. Low implied volatility ahead of a Fed decision, an inflation report and a large expiry means the options market is not pricing a dramatic move. If realised volatility suddenly picks up, sellers of options may need to adjust quickly.
The second is the put skew. As calls expire worthless, the question is what traders buy next. If new positions for November and December cluster in puts below $75,000, it would signal that institutions are paying for protection against a breakdown of the $77,600 to $80,000 cost-basis zone identified by Glassnode. If call buying resumes at lower strikes, closer to $85,000 to $90,000, it would show that upside appetite has been reset rather than abandoned.
The third is the behaviour of spot price after 08:00 UTC. Once a large share of hedges are released, bitcoin can move more freely. Expiries that coincide with macro events sometimes produce a short burst of volatility once the hedging overhang disappears, in either direction.
The ether book
The ether options picture differs. A put-to-call ratio of 0.77 is notably more defensive than bitcoin's, consistent with weaker sentiment toward the second-largest asset after a month of ETF outflows and a long staking exit queue. With ether trading around $2,300 to $2,400 this week, the $2,500 max pain level sits above the market, which means many of the calls traders bought sit just out of reach.
Options expiries tend to clear the slate rather than set direction. Friday's settlement will retire a book built on early-October optimism, and the positioning that replaces it will be a cleaner reading of what traders actually expect for the rest of the year.