In short: each morning we ask the same question about the same specific products and save exactly what came back. The page below is built from those saved files, so it shows counts and retailer-stated totals, not advice.
Entry 9, November 13, 2026: b6d3bf36fd6a1f8712b867e1ce19ebb4d955eb653c33cab3550e1da2c5dc9080
Days in the window with no snapshot so far: November 9, 2026. They are left empty, not filled in.
October 27, 2026: 1 of 12 products had a comparison across two or more named retailers; 2 eligible offers.
October 29, 2026: 2 of 12 products had a comparison across two or more named retailers; 11 eligible offers.
October 30, 2026: 2 of 11 products had a comparison across two or more named retailers; 11 eligible offers.
November 6, 2026: 1 of 11 products had a comparison across two or more named retailers; 3 eligible offers.
November 8, 2026: 4 of 11 products had a comparison across two or more named retailers; 17 eligible offers.
November 10, 2026: 3 of 11 products had a comparison across two or more named retailers; 12 eligible offers.
November 11, 2026: 1 of 11 products had a comparison across two or more named retailers; 3 eligible offers.
November 12, 2026: 1 of 11 products had a comparison across two or more named retailers; 2 eligible offers.
November 13, 2026: 2 of 11 products had a comparison across two or more named retailers; 10 eligible offers.
Products are listed alphabetically, and so are retailers. Prices are as the retailers stated them when the engine last checked.
No comparison this day: exact matches existed, but none from a retailer the engine qualifies.
No comparison this day: no offer matched the exact model.
No comparison this day: exact matches existed, but none from a retailer the engine qualifies.
No comparison this day: no qualified offer had a confirmed delivered total.
No comparison this day: no offer matched the exact model.
No comparison this day: no offer matched the exact model.
No comparison this day: exact matches existed, but none from a retailer the engine qualifies.
| Retailer | Item | Shipping | Delivered total | Checked |
|---|---|---|---|---|
| Dell | $499.99 | $0.00 | $499.99 | 2026-11-13 00:02 UTC |
| GameStop | $499.99 | $0.00 | $499.99 | 2026-11-13 00:02 UTC |
| Nintendo | $499.99 | $0.00 | $499.99 | 2026-11-13 00:02 UTC |
| PC Richard & Son | $499.99 | $0.00 | $499.99 | 2026-11-13 00:02 UTC |
No comparison this day: no qualified offer had a verified product page.
No comparison this day: no offer matched the exact model.
| Retailer | Item | Shipping | Delivered total | Checked |
|---|---|---|---|---|
| B&H Photo-Video-Audio | $378.00 | $0.00 | $378.00 | 2026-11-13 00:02 UTC |
| ListenUp | $378.00 | $0.00 | $378.00 | 2026-11-13 00:02 UTC |
| PC Richard & Son | $378.00 | $0.00 | $378.00 | 2026-11-13 00:02 UTC |
| Sony | $379.99 | $0.00 | $379.99 | 2026-11-13 00:02 UTC |
| Sweetwater | $378.00 | $0.00 | $378.00 | 2026-11-13 00:02 UTC |
| World Wide Stereo | $378.00 | $0.00 | $378.00 | 2026-11-13 00:02 UTC |
Every morning the Kavoruni engine is asked about the same list of specific products, and what it returns is saved to a dated file. Each file is chained to the one before it, so a saved day cannot be changed afterwards without breaking the chain. This page covers November 8, 2026 to December 1, 2026, which includes Black Friday (November 27, 2026) and Cyber Monday (November 30, 2026). Snapshots from before the window, starting October 27, 2026, are listed for context and were not taken daily. It is a record of what was returned, not advice about what to buy.
For each product: whether the engine could compare two or more named retailers, which retailers they were, and for each offer the item price, shipping and delivered total as the retailer stated them, with the time the price was checked. An eligible offer is one the engine marks as an exact match, with a confirmed delivered total, from a retailer it qualifies. Retailers are listed alphabetically, never by price. Where a comparison was not possible, the page says at which step the product stopped. A stop is a result, not an error.
It covers only the retailers the engine can read and qualifies, so it is not the whole market. It records what the engine returned, not what any one shopper would see. A result can come from a search cached up to about six hours earlier, which is why each offer shows when its price was checked. It cannot see price history, coupons, tax or membership prices, so it cannot say whether a price is a good one. The retailer's checkout shows the final amount.
The index is https://kavoruni.com/data/archive/manifest.json and each day's file is under /data/archive/. The steps for checking a file and the chain with only a browser and a terminal are on /how-to-verify-us, along with the copies of the index saved by the Internet Archive. The newest chain head is shown on this page. If anything here differs from the files, write to support@kavoruni.com.
2026-11-10: shipping on the BrandsMart USA entry in the 2026-11-08 file. The 2026-11-08 file (snapshot-2026-11-08.json, observed 12:35 to 12:36 UTC) lists the Dyson V15 Detect from BrandsMart USA with an item price of $749.99, shipping of $100 and a delivered total of $849.99, with the shipping marked as confirmed. About 15 hours after the engine checked it, we opened BrandsMart's own product page for that model, without entering a ZIP code. The page showed $749.99 and free shipping. The item price matched. The $100 shipping did not. We compared 5 offers this way: the item price matched on 5, the shipping matched on 3, differed on 1 (this one) and could not be checked on 1 because the retailer's page asked for a ZIP code first. Five offers is a small sample, not a full audit. What we do not know: whether the $100 came from the data the search provider returned or from how our code read it, and whether it depended on location or time of day. A search on 2026-11-10 did not return a BrandsMart offer for this product at all, so it could not be repeated. What we changed: on 2026-11-10 we deployed a change so that each offer records which provider field its shipping came from, and the server log keeps the provider's shipping text for each accepted store. It applies to searches from that day on. It does not recover what happened on 2026-11-08. The 2026-11-08 file is unchanged, because changing it would break the chain (entry hash d27dad791c27...c9849fa9). Until this is resolved, treat the BrandsMart shipping and delivered total for that day as not verified. The other 4 offers we checked are listed in the file as the retailers stated them when the engine checked. Prices on this page are listed by each retailer at the time checked. Check what is included. Checkout at the retailer is final. If you find another difference between this record and a retailer's page, write to support@kavoruni.com with the product, retailer and time you looked. We will check it and add it here, whichever way it turns out.
2026-11-11: four entries in the 2026-11-10 file, from Abt Electronics & Appliances (two), Nordstrom and GameStop. The 2026-11-10 file (snapshot-2026-11-10.json, observed 00:33 UTC) lists the Sony WH-1000XM6 from Abt with an item price of $458.00, shipping of $0 and a delivered total of $458.00, with the price last checked at 23:26 UTC on 2026-11-09. It also lists the Nintendo Switch 2 from Abt at $499.99 with shipping of $17.80 and a delivered total of $517.79. Later on 2026-11-10 we opened Abt's own product pages for both, without entering a ZIP code. The Sony page showed $378 and free shipping. The Switch 2 page showed $499.99 and free shipping. So the Sony item price differed by $80, and the Switch 2 item price matched but the $17.80 shipping did not. A search through the live engine, run after the file was written, still returned $458 for the Sony. The same file lists the Sony from Nordstrom at $458.00 with $0 shipping and a delivered total of $458.00, titled "in Black", with the price last checked at 23:26 UTC on 2026-11-09. Nordstrom's own page showed $458.00, but the only colour it showed was silver, and it said the item was sold and shipped by a seller other than Nordstrom (World Wide Stereo). So the colour in the file's title did not match what the page showed, and the seller was not Nordstrom itself. The file also lists the Nintendo Switch 2 from GameStop at $499.99 with shipping of $0 and a delivered total of $499.99, last checked at 00:48 UTC on 2026-11-10. GameStop's page showed $499.99 for a new console, with home delivery at $7.99 (free for members of its paid programme on orders of $54 or more) and free in-store pickup. So the $0 in the file matched pickup, not home delivery. What we do not know: whether Abt changed the Sony price between the engine's check and ours, whether the engine served a stored row that was out of date, whether the Abt shipping depended on location, which colour and seller Nordstrom showed at the time of the engine's check, and which delivery option the GameStop figure reflects. We read each page once. We have not found the cause of any of these and are not claiming one. The 2026-11-11 file (snapshot-2026-11-11.json, observed 12:17 UTC) has no entry from Abt or from Nordstrom, so it does not show whether the Abt Sony price, the Abt Switch 2 shipping or the Nordstrom colour changed. It lists GameStop's Switch 2 again at $499.99 with shipping of $0. We read GameStop's page again at 12:32 UTC on 2026-11-11. It still showed $499.99 for a new console, free in-store pickup, and Ship to Home at $7.99 (free for members of its paid programme on orders of $54 or more). The 2026-11-10 file is unchanged, because changing it would break the chain (entry hash 1d0d15a574f4...12062ab6). Until this is resolved, treat the Abt Sony price, the Abt Switch 2 shipping and delivered total, the Nordstrom product colour and seller, and the GameStop shipping and delivered total for that day as not verified. If you find another difference between this record and a retailer's page, write to support@kavoruni.com with the product, retailer and time you looked. We will check it and add it here, whichever way it turns out.
A day with no snapshot is listed as missing, not filled in. If the list of products changes, the date and the reason are noted on this page, and every snapshot records its own list of products, so older days stay comparable to themselves. How Kavoruni earns money, including affiliate commissions on click-throughs, is explained at /how-we-make-money.