Roll stand for producing flat rolled stock, in particular metal strip, - wherein the roll stand has roll stand uprights, - wherein work rolls (4, 5) or work rolls (4, 5) and backup rolls (8, 9) or work rolls (4, 5), intermediate rolls (10, 11) and backup rolls (8, 9) are mounted in the roll stand uprights, - wherein the rolls (4, 5, 8, 9, 10, 11) mounted in the roll stand uprights are rotatable about a respective rotational axis (6, 7), - wherein, in the case where work rolls (4, 5) or work rolls (4, 5) and backup rolls (8, 9) are mounted in the roll stand uprights, the work rolls (4, 5) are displaceable with respect to one another in the direction of their respective rotational axis (6, 7), i.e. axially, and in the case where work rolls (4, 5), intermediate rolls (10, 11) and backup rolls (8, 9) are mounted in the roll stand uprights, the work rolls (4, 5) or the intermediate rolls (10, 11) are displaceable with respect to one another in the direction of their respective rotational axis (6, 7), i.e. axially, - wherein the rolls (4, 5 or 10, 11) that are axially displaceable with respect to one another have in each case an effective barrel length, - wherein the rolls (4, 5 or 10, 11) that are axially displaceable with respect to one another have in each case a curved contour (R1, R2), which extends over the entire effective barrel length, - wherein one of the two rolls (4, 5 or 10, 11) that are axially displaceable with respect to one another has a first contour, which is formed by superposing a first basis function and a first additional function, - wherein the other of the two rolls (4, 5 or 10, 11) that are axially displaceable with respect to one another has a second contour, which is formed by superposing a second basis function and a second additional function, - wherein the basis functions (B1, B2) satisfy the relationships B 1 = + A ⋅ sin 2 ⁢ φ L Ref x + c − B ⋅ x and B 2 = − A ⋅ sin 2 ⁢ φ L Ref x − c + B ⋅ x or the relationships B 1 = + A ′ x + c 5 + A x + c 3 − B ⋅ x and B 2 = − A ′ x − c 5 − A x − c 3 + B ⋅ x and the additional functions (Z1, Z2) satisfy the relationships Z 1 = − α ⋅ Cx 2 − β ⋅ Dx 4 and Z 2 = − 2 − α ⋅ Cx 2 − 2 − β ⋅ Dx 4 or the relationships Z 1 = − α ⋅ C cos λx and Z 2 = − 2 − α ⋅ C cos λx where - B1 and B2 are the first and second basis functions, - Z1 and Z2 are the first and second additional functions, - A and A' are contour amplitudes, - φ is a contour angle, - L Ref is a reference length, - x is the location or the axial position, with respect to the center of the barrel, - c is a contour displacement, - B is a contour pitch, - α and β are weighting factors, - C and D are proportional factors and - λ is a factor. - wherein the roll stand has roll stand uprights, - wherein work rolls (4, 5) or work rolls (4, 5) and backup rolls (8, 9) or work rolls (4, 5), intermediate rolls (10, 11) and backup rolls (8, 9) are mounted in the roll stand uprights, - wherein the rolls (4, 5, 8, 9, 10, 11) mounted in the roll stand uprights are rotatable about a respective rotational axis (6, 7), - wherein, in the case where work rolls (4, 5) or work rolls (4, 5) and backup rolls (8, 9) are mounted in the roll stand uprights, the work rolls (4, 5) are displaceable with respect to one another in the direction of their respective rotational axis (6, 7), i.e. axially, and in the case where work rolls (4, 5), intermediate rolls (10, 11) and backup rolls (8, 9) are mounted in the roll stand uprights, the work rolls (4, 5) or the intermediate rolls (10, 11) are displaceable with respect to one another in the direction of their respective rotational axis (6, 7), i.e. axially, - wherein the rolls (4, 5 or 10, 11) that are axially displaceable with respect to one another have in each case an effective barrel length, - wherein the rolls (4, 5 or 10, 11) that are axially displaceable with respect to one another have in each case a curved contour (R1, R2), which extends over the entire effective barrel length, - wherein one of the two rolls (4, 5 or 10, 11) that are axially displaceable with respect to one another has a first contour, which is formed by superposing a first basis function and a first additional function, - wherein the other of the two rolls (4, 5 or 10, 11) that are axially displaceable with respect to one another has a second contour, which is formed by superposing a second basis function and a second additional function, - wherein the basis functions (B1, B2) satisfy the relationships B 1 = + A ⋅ sin 2 ⁢ φ L Ref x + c − B ⋅ x and B 2 = − A ⋅ sin 2 ⁢ φ L Ref x − c + B ⋅ x or the relationships B 1 = + A ′ x + c 5 + A x + c 3 − B ⋅ x and B 2 = − A ′ x − c 5 − A x − c 3 + B ⋅ x and the additional functions (Z1, Z2) satisfy the relationships Z 1 = − α ⋅ Cx 2 − β ⋅ Dx 4 and Z 2 = − 2 − α ⋅ Cx 2 − 2 − β ⋅ Dx 4 or the relationships Z 1 = − α ⋅ C cos λx and Z 2 = − 2 − α ⋅ C cos λx where - B1 and B2 are the first and second basis functions, - Z1 and Z2 are the first and second additional functions, - A and A' are contour amplitudes, - φ is a contour angle, - L Ref is a reference length, - x is the location or the axial position, with respect to the center of the barrel, - c is a contour displacement, - B is a contour pitch, - α and β are weighting factors, - C and D are proportional factors and - λ is a factor.