ﭘﯿﻤﺎﻥ ﺑﺎ ﻣﺒﻠﻎ ﺛﺎﺑﺖ Fixed price contract ﭘﯿﻤﺎﻧﯽ ﺍﺳﺖ ﮐﻪ ﻣﺒﻠﻎ ﺁﻥ ﺩﺭ ﻣﻨﺎﻗﺼﻪ ﺍﻋﻼﻡ و ﯾﺎ ﺑﺮ ﺍﺳﺎﺱ ﻓﻬﺮﺳﺖﺑﻬﺎ ﺗﻌﯿﯿﻦ ﻣﯽﺷﻮﺩ. ﯾﺎﺩﺁوﺭی- ﺩﺭ ﺻﻮﺭﺕ ﺗﻐﯿﯿﺮ ﺩﺭ ﺷﺮﺍﯾﻂ ﺍﻗﺘﺼﺎﺩی ﻣﺒﻠﻎ ﻧﻬﺎﯾﯽ ﻗﺎﺑﻞ ﺗﻌﺪﯾﻞ ﺍﺳﺖ.