I have all the documentation, so it's nice to know I can override things if I need to. But I would rather not. Certainly not for the duration of my 10 year TIPS ladder in taxable.
I figured out how Fidelity calculates TIPS cost basis. I checked a number of my TIPS holdings at Fidelity, including some that were recently transferred in from Vanguard.
Fidelity adjusts the cost basis by the inflation index ratio only. I use a formula like this and I can come within a few pennies of the cost basis stated on the Fidelity website:Vanguard is doing something more complicated.
I figured out how Fidelity calculates TIPS cost basis. I checked a number of my TIPS holdings at Fidelity, including some that were recently transferred in from Vanguard.
Fidelity adjusts the cost basis by the inflation index ratio only. I use a formula like this and I can come within a few pennies of the cost basis stated on the Fidelity website:
Code:
tips_cost_basis_at_fidelity = (index_ratio_today - index_ratio_at_purchase) * face_value + original_costStatistics: Posted by Tarkus — Sat Mar 16, 2024 8:35 pm — Replies 5 — Views 773
