Price-increase index sheet
Paste old and new prices with the input index your supplier cites, and read which increases track the index and which do not.
1 · Paste each product with old price, new price and the index figure
FIRST-LOAD
Data note: Everything runs in this browser tab on the price-increase sheet: your supplier price lines and index notes stays on this device, nothing is uploaded, and the reading is rebuilt only when you press run.
Perspective: Before: the reader accepted the annual letter. After: they can see resin index up 6.2% while the price on their line rose 18%.
2 · Read the price-increase sheet
Paid layer: the negotiation sheet
one-time step · the free reading above stays complete
Free tier
- one complete variance sheet
- index movement beside actual increase
- state link for a buyer
What $9 one-time adds
- four supplier letters kept on this device
- printable negotiation sheet by line
- CSV of product, old price, new price, variance
One 12-point unjustified rise on $40,000 of annual spend is $4,800 — 533× the price; the comparable it undercuts is procurement software at $50–$200 a month.
Local history (this device)
- No saved runs yet — your first run files here.
Your purchase is handled through secure checkout. When you return, your extras are ready on this device — no account, no fuss, and your work stays private in this browser.
Boundary and sources
This price-increase sheet works only on the supplier price lines and index statements you paste you paste. It does not verify an index figure with a publisher, does not form a supply agreement, and does not negotiate on your behalf. The figures describe what you supplied, not what is true in the world. Confirm anything you plan to act on with your buyer or the supplier's account manager in writing before you rely on it.
- Every figure comes from the supplier price lines and index statements you paste you paste; nothing is looked up, scraped or asserted as verified.
- Method: variance = actual percentage increase − index percentage cited on the same line, priced against your annual spend
- Sample values are labelled samples — illustrative by design, not your data and not a quotation of any organisation's policy.
Mechanism: competence-autonomy-loop