The calculator starts from a fresh vault at today’s prices, applies the same exact-integer accounting rules as the app and reports reference value. It does not infer historical tax lots or pretend to know an executable sale price.
- Parse the deposit into integer cents.
- Apply the 0.10% Boost entry fee and matched senior financing.
- Advance the manual scenario clock, if selected.
- Apply one terminal price move and value the resulting receipt slice.
- Subtract the original deposit to show signed reference gain or loss.
The local Portfolio ledger uses weighted-average integer basis. Cash exits allocate basis to burned receipt units and show realized P&L; paired in-kind exits carry basis to returned stock tokens instead of treating a transfer as a sale. These are account metrics, not tax lots or tax advice.
Try the Boost and Earn calculator, then read why a flat price can still lose money.