Alerts fire on our verdict, never on retailer banners. At most six price-alert emails in any rolling seven days.
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Current offers
All 4 offers · Available online
Current offers · fresh eligible offers ranked by price
Fresh eligible offers are ranked by item price. Shipping is not included. Stale, unavailable, or unconfirmed observations are retained below, never ranked.
RetailerPriceRetailer’s “was” price
Home Depot
$474.99Cheapest fresh offer
Retailer’s “was” price: No reference-price claim. · 40 price-daysChecked
LOWEST RECORDED · HELD 7DLOWEST RECORDED · HELD 7D
Today’s price is the lowest we have recorded; we witnessed $560.99 on Oct 16 2026.
Coverage · developing record · watched since Sep 6 2026· point-by-point since Sep 6 2026· 40 price-days · 8 coverage gaps · 0 continuity breaks· batch truncated
Complete witnessed history
Price record
This is the independent record for the Home Depot listing above. It does not borrow prices, claims, or observations from another retailer.
Evidence instrument · full point-by-point record
Offered price vs. their claimed ‘was’
Home Depot · Sep 06 2026–Oct 23 2026
No observations · 8 separate runs; dates in the point ledger.
offered, witnessed
their claimed “was”
no observations
detached price fact
Chart notes and detached evidence
Why this form
The complete relevant record is already in this pane; a second map would repeat it.
Detached evidence · not connected to the daily-last curves
intraday low intraday low $505.92 · Sep 16 2026 · retained from that price-day; not the daily-last curveSource · WTV-EXPORT-00283
Every line uses reduced price-days for one exact retailer offer. Both series share the coverage mask; intraday and Class B facts remain detached marks. The receipt ledger below is the complete text alternative.
Price history, changes, and missing observations — 23 entries
Point ledger · stable row IDs
Price history, changes, and missing observations
23 entries · change points, gaps, and dated facts
Complete dated text alternative to the price chart. A gap records missing knowledge; it never records an offer change.
9 Amp 1-1/8 in. Corded SDS-plus Combination Concrete/Masonry Rotary Hammer with SHOCKS and Case
DeWalt · standalone tool · Ohio Power Tool · online national
Retailer says
$599.00 — Ohio Power Tool
Our record
watched 17 price-days spanning 18 calendar days
We conclude
The retailer makes no reference-price claim to audit. Another retailer has listed it lower: Home Depot, $474.99, since Oct 17 2026.
Coverage · early record · watched since Oct 7 2026· point-by-point since Oct 7 2026· 17 price-days · 1 coverage gap · 0 continuity breaks· batch truncated
Alerts fire on our verdict, never on retailer banners. At most six price-alert emails in any rolling seven days.
Complete witnessed history
Price record
This is the independent record for the Ohio Power Tool listing above. It does not borrow prices, claims, or observations from another retailer.
Evidence instrument · full point-by-point record
Offered price vs. their claimed ‘was’
Ohio Power Tool · Oct 07 2026–Oct 24 2026
No observations · Oct 22 2026
offered, witnessed
their claimed “was”
no observations
detached price fact
Chart notes and detached evidence
Why this form
Claim absence changes only the retailer-claim series; offered observations remain continuous.
Every line uses reduced price-days for one exact retailer offer. Both series share the coverage mask; intraday and Class B facts remain detached marks. The receipt ledger below is the complete text alternative.
Price history, changes, and missing observations — 4 entries
Point ledger · stable row IDs
Price history, changes, and missing observations
4 entries · change points, gaps, and dated facts
Complete dated text alternative to the price chart. A gap records missing knowledge; it never records an offer change.
Alerts fire on our verdict, never on retailer banners. At most six price-alert emails in any rolling seven days.
Complete witnessed history
Price record
This is the independent record for the Tool Nut listing above. It does not borrow prices, claims, or observations from another retailer.
Evidence instrument · full point-by-point record
Offered price vs. their claimed ‘was’
Tool Nut · Sep 03 2026–Oct 24 2026
No observations · 5 separate runs; dates in the point ledger.
offered, witnessed
their claimed “was”
no observations
detached price fact
Chart notes and detached evidence
Why this form
Claim absence changes only the retailer-claim series; offered observations remain continuous.
Every line uses reduced price-days for one exact retailer offer. Both series share the coverage mask; intraday and Class B facts remain detached marks. The receipt ledger below is the complete text alternative.
Price history, changes, and missing observations — 13 entries
Point ledger · stable row IDs
Price history, changes, and missing observations
13 entries · change points, gaps, and dated facts
Complete dated text alternative to the price chart. A gap records missing knowledge; it never records an offer change.
Alerts fire on our verdict, never on retailer banners. At most six price-alert emails in any rolling seven days.
Complete witnessed history
Price record
This is the independent record for the The Power Tool Store listing above. It does not borrow prices, claims, or observations from another retailer.
Evidence instrument · full point-by-point record
Offered price vs. their claimed ‘was’
The Power Tool Store · Sep 02 2026–Oct 24 2026
No observations · 6 separate runs; dates in the point ledger.
offered, witnessed
their claimed “was”
no observations
detached price fact
Chart notes and detached evidence
Why this form
Claim absence changes only the retailer-claim series; offered observations remain continuous.
Every line uses reduced price-days for one exact retailer offer. Both series share the coverage mask; intraday and Class B facts remain detached marks. The receipt ledger below is the complete text alternative.
Price history, changes, and missing observations — 16 entries
Point ledger · stable row IDs
Price history, changes, and missing observations
16 entries · change points, gaps, and dated facts
Complete dated text alternative to the price chart. A gap records missing knowledge; it never records an offer change.
