Quick picks
The rankings at a glance
| # | Product | Best for | Score | Price |
|---|---|---|---|---|
| 1 | ![]() ALPS Mountaineering Tri-Leg Stool 250 lb on a powder-coated steel tripod with 600D polyester - the heaviest fabric here - under a limited lifetime warranty, at 2 lb and the lowest list price on the page. | Best camp stool overallLifetime warranty | 7.1out of 10 | $19.99Amazon |
| 2 | ![]() ALPS Mountaineering Solace Stool The only stool on this page with a published backrest: 6 inches of back, a 23-inch front seat 18 inches up, 275 lb, 1 lb 15 oz, covered for life. | Best camp stool with a backLifetime warranty | 7.0out of 10 | $70.99Amazon |
| 3 | ![]() ALPS Mountaineering SideKick Stool Folds to 1.75 inches thick and holds a drink at chair-arm height, but ALPS rates it to only 200 lb and publishes no fabric. | Best stool that doubles as a side tableLifetime warranty | 6.0out of 10 | $32.53Amazon |
| 4 | ![]() Helinox Speed Stool 14.5 oz on shock-corded DAC poles that open themselves, with a 5-year warranty - but a 220 lb rating, 100D fabric and no replacement seat. | Best ultralight camp stool5-yr warranty | 5.7out of 10 | $99.95Amazon |
#ad · Prices come live from Amazon, last checked November 3, 2026. Scores are ours, computed from published specs, quoted warranty terms and listed parts with the bands on our methodology page, not our own measurements. Product photos come from each item's own Amazon listing; where a model has no live listing the row carries a labelled stock photo instead. Tap a row for the full write-up.

What a stool is actually for
A camp stool is not a small camping chair. It is a different tool, and buying one for the wrong reason is how people end up with a stool in the garage they never use again.
A stool earns its place in exactly three situations. The first is weight: at 2 lb or less it goes on a trip where a 9 lb quad chair stays home — a hike with a long lunch in it, a fishing bank, a bike. The second is a second seat: you have two chairs and three people, and a stool in the trunk solves that for the price of a sandwich. The third is a job that is not sitting at all — a footrest for a chair with no footrest, a table for a chair with no arm tray, a step for a child reaching a camp kitchen.
What a stool will never be is the seat you spend an evening in. None of the four here has arms, none has a padded seat, and only one has anything at all behind your back. If you want to watch a fire burn down for three hours, you want a compact chair, and the difference is about a pound — the argument is laid out in best compact camping chairs. Buy a stool for the twenty-minute sit, and buy it knowing that.
How we picked
A stool qualified for this page only if its maker publishes a rated capacity, a weight and a packed size, and sells it new today. That requirement removed more of this category than it removed in any other we rank: the stool aisle is full of unbranded tripods with a capacity printed on the listing and nowhere else, and no warranty page to read.
Within that group the order follows our Built-to-Last Score — rated capacity and published fabric first, then the written warranty term, then what parts the maker will actually sell you, then fit, then weight — using the bands on our scoring methodology page. Every figure below links to the maker page it came from. We do not own or test these stools; what we do is read what the makers commit to in writing, which is the part that predicts whether a seat survives five seasons.
One honest note about the result. Three of the four picks are ALPS Mountaineering, and that is not brand favoritism — it is what happens when you require a published spec sheet, a lifetime warranty and a listed replacement part in a category where almost nobody offers all three. Helinox is the only other maker that clears the bar, and the brands we left out are listed below with the reason.
The four, side by side
Why the cheapest stool wins
The ALPS Tri-Leg Stool costs less than every other seat on this site and finishes first in its category, which is unusual enough to explain properly.
It wins on the two rows that carry the most weight in our rubric. ALPS rates it to 250 lb on a powder-coated steel frame and publishes the seat fabric as 600D polyester — the heaviest fabric any stool here states, and six times the denier of the Helinox seat. And ALPS covers it with the same limited lifetime warranty it puts on the 800 lb King Kong, which is the top band on our warranty scale. The cheapest seat in this category carrying a lifetime defect warranty is a genuinely strange product, and it is the reason this one ranks above a stool that costs four times as much.
The details back it up. There is an extra center support under the seat and webbing along the bottom of the legs, which is the specific place a cheap tripod stool splays and fails. A webbing carry strap is attached to the stool itself, so you can bring it without the drawstring bag, and if you lose the bag anyway ALPS sells a replacement for a few dollars. Two pounds, a 17-inch seat height, 13 inches of seat depth.
Three honest limits. The seat is 14 inches wide, which is narrow — it is a perch, and a wide-hipped adult will feel the frame. There is no back whatsoever. And the packed length is 23 inches, the longest here, so it straps on the outside of a pack rather than going inside one. If any of those three matters more to you than durability, pick a different stool on this page.
The rest of the list
ALPS Solace Stool (#2). The answer if the absence of a back is what has stopped you buying a stool. ALPS publishes a 6-inch backrest above a 15-inch rear seat height, on a seat that is 23 inches wide at the front and 18 inches off the ground — the widest and the tallest seat on this page. It is rated to 275 lb on an aluminum frame, weighs 1 lb 15 oz, and packs to 16 inches, short enough to go inside a daypack rather than on it. The zippered carry bag clips to the frame and doubles as a pouch, which is a small thing that matters, because a stool bag left at a campsite is the usual way these get retired. Two things against it: ALPS publishes two different fabrics for it on one page — 420D polyester honeycomb ripstop in the Features list and 600D ripstop in the description — and we score the lower figure, which is why it finishes behind a cheaper stool. And six inches of backrest is a kidney rest, not a chair back.
ALPS SideKick (#3). Here because it does a second job well, not because it is the best seat. It is a 12 x 10 x 15-inch anodized aluminum frame that folds to 1.75 inches thick, so it stores flat behind a car seat, and it works equally as a drink table beside a chair with no arm tray, a footrest, or a seat for a child. At 2 lb that is a lot of utility for the money. But ALPS rates it to 200 lb, the lowest figure on this page and below the margin we would want under an adult who drops onto a seat rather than lowering onto it, and ALPS publishes no fabric for it and lists no SideKick-specific replacement part. Buy it as a table that can take a sitter, not as a seat that can take a drink.
Helinox Speed Stool (#4). The lightest seat on this entire site at 14.5 oz, and the most interesting engineering: shock-corded DAC aluminum poles that lock the frame into place as you unfold it, so there is no assembly and nothing to wrestle in the dark. Helinox backs it for five years against manufacturing defects, longer than Coleman or Kijaro offer on anything. It finishes last anyway, for reasons that are all on the spec sheet. Helinox rates it to 220 lb, the second-lowest here. The seat is 100D polyester ripstop — a sixth the fabric weight of the Tri-Leg's 600D. The seat height is 10.5 inches, low enough that standing up is a push off the ground rather than a step. And although Helinox sells replacement seats for its Chair One, Chair Zero and Chair Two, it lists only a replacement case for the Speed Stool — the seat is not a repairable part. At roughly four times the Tri-Leg's price for 30 lb less capacity, this is a stool you buy because you are counting ounces, and for no other reason.
The backrest question
Why 600D versus 100D decides this page
Three of these stools put your whole weight on a single rectangle of fabric stretched between metal. There is no frame under the middle of the seat, no padding, no second layer. The fabric is the product.
Denier is grams per 9,000 meters of yarn — a thread-weight number, not a strength test — so it is a proxy rather than proof. But it is the only fabric figure these makers publish, and the spread here is enormous: 600D on the Tri-Leg, a contested 420D or 600D on the Solace, 100D on the Speed Stool. A 100D ripstop seat is doing the same job with a fraction of the yarn, which is exactly how Helinox gets to 14.5 oz, and exactly why we score it lower. The trade is real in both directions and we would rather name it than pretend the ounces are free.
What actually kills a stool seat is abrasion at the hem where the fabric wraps the frame tube, and UV on the top surface over several summers. Neither is covered by any warranty here — ALPS's lifetime term and Helinox's five years both cover defects, not wear. Which is why the row that matters most is the one nobody advertises: can you buy a new seat? For every stool on this page, the answer is no. ALPS and Helinox will sell you a replacement carry bag. Neither sells the seat. In fairness, that is not a stool failing — the best camp chair we score, the ALPS King Kong at 7.6, has exactly the same gap, a replacement carry bag and nothing else. What separates it from the best stool here is capacity and fabric: 800 lb on 600D polyester against 250 lb on 600D. The few brands that do sell the main wear part are listed in camping chair warranties.
What didn't make the list
- Telescoping three-legged stools (Walkstool and copies). The design is good and the capacity claims are high, but we could not read a US maker page with a published warranty term and a parts list for the models currently on sale here. When that changes, this page changes.
- Unbranded folding tripod stools. The bulk of the category. They publish a capacity on the retail listing, nothing on a maker site, no warranty and no parts. A cheap unbranded stool is not a bad purchase, but it is not something we can rank against a published spec sheet, and this site does not rank what it cannot source.
- Bucket-lid and five-gallon seats. A real answer for fishing and a genuinely cheap one. No maker publishes a rated capacity for the seat as a seat, so there is nothing to score.
- Compact chairs with backs. Not stools, and they belong on their own page — they are ranked in best compact camping chairs. If you are torn between the two formats, read types of camping chairs first.
- Stadium and bleacher seats. Also not stools: they sit on a bench rather than standing on legs, and the useful figures are different. They are ranked in best stadium seats for bleachers.
In detail
The picks, in full
Rank 1

Best camp stool overall
ALPS Mountaineering Tri-Leg Stool
250 lb on a powder-coated steel tripod with 600D polyester - the heaviest fabric here - under a limited lifetime warranty, at 2 lb and the lowest list price on the page.
Spec sheetEvery figure sourced
| Category | Camp stool |
|---|---|
| Warranty (quoted) | Limited lifetime (ALPS Mountaineering) |
| Wear parts | ALPS lists a Stool Replacement Bag that fits its stools, and runs a parts and repair line by phone or email; the seat fabric itself is not listed as a separate part. |
| Rated capacity | 250 lb (ALPS rating) |
| Frame | Powder-coated steel, with an extra center support and bottom webbing |
| Fabric | 600D polyester |
| Seat height | 17 in |
| Seat width | 14 in |
| Weight | 2 lb (ALPS) |
| Packed size | 23 x 3.5 x 3.5 in |
| Features | Seat depth 13 in; attached webbing carry strap; drawstring carry bag included |
| Replacement parts | Stool Replacement Bag; parts and repair questions by phone or email |
How the 7.1 score breaks down
- Build durability (30%)
- 6
- Warranty (20%)
- 10
- Repairability (15%)
- 5
- Fit & comfort (20%)
- 5
- Portability (15%)
- 10
What the specs support
- Rated to 250 lb on a powder-coated steel frame with 600D polyester — the heaviest fabric any stool here publishes.
- ALPS's limited lifetime warranty, the top warranty band, on a stool that costs less than a tank of gas.
- 2 lb with an attached carry strap, so you can bring it without the bag.
- ALPS sells a replacement carry bag and answers parts questions by phone.
Where it falls short
- A 14-inch seat with no back at all: this is a 20-minute perch, not a chair for a long evening.
- The 23-inch packed length is the longest here — it will not go inside a daypack, only strapped to one.
- ALPS does not sell the seat fabric separately, which is the part that eventually fails.
Skip this if…
…you want something to lean back against, or you need a seat higher than 17 inches to stand up from easily.
#ad · Price as of November 3, 2026 · Disclosure for the link to ALPS Mountaineering Tri-Leg Stool
Rank 2

Best camp stool with a back
ALPS Mountaineering Solace Stool
The only stool on this page with a published backrest: 6 inches of back, a 23-inch front seat 18 inches up, 275 lb, 1 lb 15 oz, covered for life.
Spec sheetEvery figure sourced
| Category | Camp stool |
|---|---|
| Warranty (quoted) | Limited lifetime (ALPS Mountaineering) |
| Wear parts | ALPS lists a Stool Replacement Bag that fits its stools; the Solace's own zippered carry bag clips to the frame so it is harder to lose in the first place. The seat fabric is not listed separately. |
| Rated capacity | 275 lb (ALPS rating) |
| Frame | Aluminum |
| Fabric | 420D polyester honeycomb ripstop on ALPS's Features list; the same page's description says 600D ripstop. We score the lower published figure |
| Seat height | 18 in at the front, 15 in at the back |
| Seat width | 23 in at the front, 14 in at the back |
| Overall height | A 6-inch backrest above a 15-inch rear seat height, so roughly 21 in at the back |
| Weight | 1 lb 15 oz (ALPS) |
| Packed size | 16 x 3.5 x 6 in |
| Features | Seat depth 12 in; zippered carry bag that attaches to the frame and doubles as a pouch |
| Replacement parts | Stool Replacement Bag; parts and repair questions by phone or email |
How the 7.0 score breaks down
- Build durability (30%)
- 5
- Warranty (20%)
- 10
- Repairability (15%)
- 5
- Fit & comfort (20%)
- 6
- Portability (15%)
- 10
What the specs support
- A published 6-inch backrest — the only stool in this registry that gives your lower back anything at all.
- A 23-inch front seat width and an 18-inch front seat height, both the largest here, on an aluminum frame rated to 275 lb.
- 1 lb 15 oz and a 16-inch pack, short enough to go inside a daypack.
- ALPS's limited lifetime warranty, and the carry bag clips to the frame so it does not get lost.
Where it falls short
- ALPS publishes two different fabrics for it on one page — 420D in the Features list, 600D in the description. We score the 420D.
- Six inches of backrest is a kidney rest, not a chair back; it will not hold your shoulders.
- The seat fabric is not sold separately, and it is the most expensive ALPS stool.
Skip this if…
…you want real back support for a long evening — a compact chair with a full back weighs about a pound more.
#ad · Price as of November 3, 2026 · Disclosure for the link to ALPS Mountaineering Solace Stool
Rank 3

Best stool that doubles as a side table
ALPS Mountaineering SideKick Stool
Folds to 1.75 inches thick and holds a drink at chair-arm height, but ALPS rates it to only 200 lb and publishes no fabric.
Spec sheetEvery figure sourced
| Category | Camp stool |
|---|---|
| Warranty (quoted) | Limited lifetime (ALPS Mountaineering) |
| Wear parts | ALPS lists no part specific to the SideKick (it has no carry bag to replace); its furniture parts page and phone parts line cover the rest. |
| Rated capacity | 200 lb (ALPS rating) |
| Frame | Anodized aluminum, or clay-colored powder-coated aluminum |
| Fabric | Not published by ALPS |
| Seat height | 15 in (overall 12 x 10 x 15 in) |
| Seat width | 10 in (the 12 x 10 in top) |
| Weight | 2 lb (ALPS) |
| Packed size | 17.5 x 12 x 1.75 in folded |
| Features | Doubles as a side table; folds flat for storage |
| Replacement parts | No SideKick-specific part listed; ALPS answers parts and repair questions by phone or email |
How the 6.0 score breaks down
- Build durability (30%)
- 4
- Warranty (20%)
- 10
- Repairability (15%)
- 3
- Fit & comfort (20%)
- 4
- Portability (15%)
- 10
What the specs support
- Folds to 1.75 inches thick, so it slides behind a seat or into a trunk organizer flat.
- Does two jobs: a seat for a child or a footrest, and a side table for a drink next to a chair with no arm tray.
- ALPS's limited lifetime warranty on the cheapest two-in-one piece of camp furniture we score.
Where it falls short
- Rated to 200 lb, the lowest capacity on this page and below most adults' margin for a seat you drop into.
- A 12 x 10-inch top 15 inches up: this is a perch or a table, not a seat you sit on for an hour.
- ALPS publishes no fabric for it and lists no SideKick-specific replacement part.
Skip this if…
…you weigh anywhere near 200 lb and want to sit on it, rather than use it as a table or a footrest.
#ad · Price as of November 3, 2026 · Disclosure for the link to ALPS Mountaineering SideKick Stool
Rank 4

Best ultralight camp stool
Helinox Speed Stool
14.5 oz on shock-corded DAC poles that open themselves, with a 5-year warranty - but a 220 lb rating, 100D fabric and no replacement seat.
Spec sheetEvery figure sourced
| Category | Camp stool |
|---|---|
| Warranty (quoted) | 5-year warranty on manufacturing defects (Helinox) |
| Wear parts | Helinox lists a Speed Stool Replacement Case in its replacement-parts collection. Unlike its chairs — which get replacement seats and rubber feet — the Speed Stool has no replacement seat listed. |
| Rated capacity | 220 lb / 100 kg (Helinox) |
| Frame | Proprietary DAC aluminum alloy poles, shock cord, machined aluminum connectors, rubber feet |
| Fabric | 100D polyester ripstop seat; 50D nylon ripstop carry bag |
| Seat height | 10.5 in assembled |
| Seat width | 9.5 in wide by 14 in deep assembled |
| Weight | 14.5 oz (15.5 oz packed, with the bag) |
| Packed size | 17 x 3.5 x 3.5 in |
| Features | Shock-corded poles lock the frame into place, so it opens without assembly |
| Replacement parts | Speed Stool Replacement Case; no Speed Stool replacement seat is listed |
How the 5.7 score breaks down
- Build durability (30%)
- 4
- Warranty (20%)
- 7
- Repairability (15%)
- 5
- Fit & comfort (20%)
- 4
- Portability (15%)
- 10
What the specs support
- 14.5 oz — lighter than any other seat we score, and it packs to 17 x 3.5 x 3.5 inches.
- Shock-corded DAC poles mean it opens itself; there is no frame to wrestle in the dark.
- Helinox's five-year defect warranty, longer than Coleman's or Kijaro's one year.
Where it falls short
- Rated to 220 lb, the second-lowest here, on 100D ripstop — a sixth the fabric weight of the Tri-Leg's 600D.
- A 10.5-inch seat height, which is low enough that standing up is a push off the ground.
- Helinox sells replacement seats for its chairs but not for this stool, so the seat is not a repairable part.
- It costs close to four times the ALPS Tri-Leg and is rated for 30 lb less.
Skip this if…
…you are not counting ounces — the ALPS Tri-Leg is rated 30 lb higher, sits 6.5 inches taller and is covered for life.
#ad · Price as of November 3, 2026 · Disclosure for the link to Helinox Speed Stool
How to choose a camp stool
Start with the capacity, and buy margin
Published capacities here run from 200 lb to 275 lb — a much narrower and much lower range than camp chairs, where 400 lb and 800 lb frames are ordinary. A stool is a tripod or a four-pole frame with no bracing, so the rating is doing real work. Buy well above your own weight, because the load that breaks a stool is not you sitting down, it is you dropping the last four inches, or shifting onto one leg as you stand. The mechanics are the same as for chairs and are set out in camping chair weight limits.
Then read the seat height against your knees
This is the figure people ignore and then regret. The stools here sit between 10.5 and 18 inches off the ground. At 17 or 18 inches you stand up out of it; at 10.5 inches you push yourself up off the ground with your hands, which is fine at 30 and a different proposition at 60. If getting out of a seat is the painful part of your day, the higher seat is worth more than every other spec combined — and you may actually want a chair, ranked in best high-seat camping chairs.
Check the seat width against your hips
Fourteen inches is normal for a stool and narrow for a person. The Solace's 23-inch front edge is the outlier here and the reason it is the most comfortable of the four to sit on for more than ten minutes. If you are broad across the hips, the width figure will decide whether you use the thing.
Treat the fabric figure as the durability figure
There is nothing else holding you up. A published 600D polyester seat is a better bet than an unpublished one, and far better than a 100D seat if you are not counting ounces. Where a maker publishes two conflicting figures, assume the lower one.
Then ask what happens when it breaks
Nobody in this category sells a replacement seat, so the realistic question is the warranty term and whether the maker answers the phone. ALPS publishes a limited lifetime defect warranty and a parts line; Helinox publishes five years. Both are better than the no-warranty default of the unbranded aisle, and neither covers the fabric wearing out, which is what will actually happen.
Finally, be honest about whether you want a stool at all
Most people who buy a stool wanted a light chair. If the weight you are actually optimizing is “fits in the trunk alongside two chairs,” a stool is the right answer and the cheapest one here will do. If it is “carries on my back for six miles,” the Speed Stool's 14.5 oz is the only figure on this page that matters. And if it is “I want to sit comfortably,” buy a chair and read how to carry camping chairs instead.
How we scored this
What goes into every pick
We read the maker's rated capacity, frame, fabric, dimensions and weight; quote the warranty from the maker's own warranty page with the date we read it; check whether seat fabric, cot canvas, feet, valves and legs are sold as replacement parts; and score all of it on a published rubric where durability and warranty carry half the weight. Every spec links to where it came from, and the live Amazon price sits in the button.
Scores are computed from that documented research with fixed bands, so two products are always measured the same way. Commissions never set a score or decide a pick. The rubric and its bands are published.
Corrections & updates
- First published. Four stools added to the registry from maker spec sheets read 2026-10-29; all four Amazon listings verified live the same day via the Creators API.
Questions
Frequently asked
What is the best camping stool?
The ALPS Mountaineering Tri-Leg Stool, which scores 7.1/10 on our rubric. ALPS rates it to 250 lb on a powder-coated steel frame with 600D polyester, covers it with a limited lifetime warranty, sells a replacement carry bag, and it weighs 2 lb. It is also the cheapest stool on this page, which is unusual and is explained by the fact that our ranking weights published capacity, fabric, warranty and parts above comfort features.
Is there a camping stool with a backrest?
One on this page: the ALPS Solace Stool, with a published 6-inch backrest above a 15-inch rear seat height. That is enough to rest against when you lean forward, not enough to lean back into. If you want a real back, a compact camping chair weighs about a pound more and is the honest alternative.
How much weight can a camping stool hold?
The published figures on this page run from 200 lb (ALPS SideKick) to 275 lb (ALPS Solace), with the Tri-Leg at 250 lb and the Helinox Speed Stool at 220 lb. That is substantially lower than camp chairs, where 400 lb and 800 lb ratings are common, because a stool has no bracing. Buy well above your own weight.
Is a camping stool better than a camping chair?
Not better — different. A stool wins on weight and pack size and on being the seat you actually bring. A chair wins on everything about sitting: a back, arms, a higher seat and a padded surface. The practical test is how long you sit. Under twenty minutes, a stool is fine. For an evening, buy a chair.
Can you buy a replacement seat for a camp stool?
Not for any stool on this page. ALPS sells a Stool Replacement Bag and Helinox sells a Speed Stool Replacement Case, but neither sells the seat fabric — even though Helinox does sell replacement seats for its chairs. The published capacity ceiling in this category - 275 lb at the top - is the bigger reason no stool here scores above 7.1.
What is the lightest camping stool?
The Helinox Speed Stool at 14.5 oz (15.5 oz packed with its bag), which is the lightest seat of any kind we score. The trade is a 220 lb rating, a 100D ripstop seat and a 10.5-inch seat height.
Did you test these stools?
No. We do not own or test the products we score, and we say so on every page. Every figure above is quoted from the maker's own product, warranty and parts pages, read on 2026-10-29 and linked in the sources list, and the score follows the published bands at our methodology page.
Keep reading
Related on Seat & Stake
- Best compact camping chairsThe format to buy instead if you want a back.
- Best backpacking camp chairsWhere the ounces argument gets settled properly.
- Types of camping chairsStool, compact, quad, rocker: what each format is for.
- Camping chair weight limitsWhy a 250 lb rating is not the same as 250 lb of margin.
- Camping chair warranties comparedALPS, Helinox and the rest, quoted with dates.
- Best camping tables under $50If the SideKick's table trick is what you actually want.
Receipts
Sources
- ALPS Mountaineering — Furniture > Stools category page (SideKick $34.99, Solace Stool from $69.99, Tri-Leg Stool $24.99, Stool Replacement Bag from $4.00, all listed In stock) (read 2026-10-29)
- ALPS Mountaineering — Tri-Leg Stool product page, Features and Specs tabs (read 2026-10-29)
- ALPS Mountaineering — Solace Stool product page, Features and Specs tabs (read 2026-10-29)
- ALPS Mountaineering — SideKick portable stool / side table product page, Features and Specs tabs (read 2026-10-29)
- ALPS Mountaineering — Stool Replacement Bag, from $4.00 (read 2026-10-29)
- ALPS Mountaineering — Warranty (limited lifetime; exclusions; replacement parts by phone) (read 2026-09-22)
- ALPS Mountaineering — Furniture Parts (replacement bags, feet, Escape kickstand elbow, table parts) (read 2026-09-22)
- Helinox — Speed Stool product page: Specifications, Materials and Warranty sections (read 2026-10-29)
- Helinox — Replacement Parts collection, listing the Speed Stool Replacement Case at $9.95; no Speed Stool replacement seat is listed (read 2026-10-29)
- Helinox — Warranty Policy (5-year warranty) (read 2026-09-22)
Specs and rated capacities come from the maker's own product pages (or a named dealer's copy when the maker's site blocked us), warranty terms from the maker's warranty page with the date we read it, and any third-party observation is attributed to whoever made it. Prices come live from Amazon with the date they were read. Where a figure isn't published, we say so and it scores zero. Read the full method.