Oregon treats capital gains as regular income (so do most states, including CA). Oregon also has one of the worst tax regimes in the country. For most earners,

Oregon treats capital gains as regular income (so do most states, including CA). Oregon also has one of the worst tax regimes in the country. For most earners, a resident of a state like CA without sales tax on groceries, medical care, or medical necessities will end up with a substantially lower tax burden than a similar earner in Oregon. To be more taxed than CA is crazy.