Title: Primary Insurance Amount. URL Source: https://www.ssa.gov/OACT/COLA/piaformula.html. PIA formula bend points. The PIA is the sum of three separate percentages of portions of average indexed monthly earnings. For 2026 these portions are the first $1,286, the amount between $1,286 and $7,749, and the amount over $7,749. These dollar amounts are the bend points of the 2026 PIA formula. PIA formula. For an individual who first becomes eligible for old-age insurance benefits or disability insurance benefits in 2026, or who dies in 2026 before becoming eligible for benefits, his or her PIA will be the sum of 90 percent of the first $1,286 of his or her average indexed monthly earnings, plus 32 percent of his or her average indexed monthly earnings over $1,286 and through $7,749, plus 15 percent of his or her average indexed monthly earnings over $7,749. We round this amount to the next lower multiple of $.10 if it is not already a multiple of $.10. Determination of the PIA bend points for 2026. Amounts in formula. Average wage indices. For 1977: 9,779.44. For 2024: 69,846.57. Bend points for 1979. First: $180. Second: $1,085. Computation of bend points for 2026. First bend point: $180 times 69,846.57 divided by 9,779.44 equals $1,285.59, which rounds to $1,286. Second bend point: $1,085 times 69,846.57 divided by 9,779.44 equals $7,749.27, which rounds to $7,749.