Option open interest
US stocks only, broken down by expiry and strike. Available without signing up.
Only US symbols can be looked up. If a symbol is not listed, type its ticker below.
Frequently asked questions
For each strike, assume the price at expiry equals that strike. Calls are worth (that price minus the call strike) and puts (the put strike minus that price), with negatives counted as zero. Multiply by open interest, add everything up, and the strike with the smallest total is shown as max pain. Who bought and who sold is not distinguished.
For each strike, assume the price at expiry equals that strike. Calls are worth (that price minus the call strike) and puts (the put strike minus that price), with negatives counted as zero. Multiply by open interest, add everything up, and the strike with the smallest total is shown as max pain. Who bought and who sold is not distinguished.
It is not a forecast. It does not mean price will go to this strike or be pulled toward it, and price may not converge to it at expiry.
It is not a forecast. It does not mean price will go to this strike or be pulled toward it, and price may not converge to it at expiry.
It shows US stocks only, split by expiry and strike. You can view it without signing up.
It shows US stocks only, split by expiry and strike. You can view it without signing up.