HoloHawk earns a commission on eBay purchases through this link. It never changes the price you pay.
Prices by grade
PSA 10 = 38.3× raw
Today's figures for every tier.
Raw · ungraded£7.56
Grade 9£25.18
Grade 9.5£27.34
PSA 10£290
BGS 10£377
CGC 10£56.91
A PSA 10 sells for 38.3× the raw card — a gap of £282. Grading fees and the risk of a 9 come out of that.
At a glance
30-day high£7.80
30-day low£7.38
Tracked high£8.86
Days tracked141
IllustratorKen Sugimori
Pokédex27
Price history
114 readings · 141d
HoloHawk Est. MarketPriceChartingPulseTCG awaiting data
23 Aug 2026HoloHawk Est. Market£8.3524 Aug 2026HoloHawk Est. Market£8.3525 Aug 2026HoloHawk Est. Market£8.3526 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.3827 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.3828 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.3829 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.5630 Aug 2026HoloHawk Est. Market£7.99PriceCharting£7.5631 Aug 2026HoloHawk Est. Market£7.99PriceCharting£7.561 Sept 2026HoloHawk Est. Market£7.99PriceCharting£7.562 Sept 2026HoloHawk Est. Market£7.99PriceCharting£7.56
£7.50£8.00
26 Aug29 Aug29 Aug2 Sept
HoloHawk Est. MarketPriceChartingPulseTCG awaiting data
31 Jul 2026HoloHawk Est. Market£7.061 Aug 2026HoloHawk Est. Market£7.062 Aug 2026HoloHawk Est. Market£7.063 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.494 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.495 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.496 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.807 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.808 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.809 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.8010 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.8011 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.8012 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.6013 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.6014 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.6015 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.6016 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.6017 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.6018 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.6019 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.6020 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.6021 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.6022 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.6023 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.6024 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.3825 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.3826 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.3827 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.3828 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.3829 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.5630 Aug 2026HoloHawk Est. Market£7.99PriceCharting£7.5631 Aug 2026HoloHawk Est. Market£7.99PriceCharting£7.561 Sept 2026HoloHawk Est. Market£7.99PriceCharting£7.562 Sept 2026HoloHawk Est. Market£7.99PriceCharting£7.56
£7.50£8.00
3 Aug6 Aug17 Aug2 Sept
HoloHawk Est. MarketPriceChartingPulseTCG awaiting data
14 Apr 2026PriceCharting£5.9015 Apr 2026PriceCharting£5.9016 Apr 2026PriceCharting£5.9017 Apr 2026PriceCharting£5.9018 Apr 2026PriceCharting£5.9019 Apr 2026PriceCharting£5.9020 Apr 2026PriceCharting£5.9021 Apr 2026PriceCharting£5.9022 Apr 2026PriceCharting£5.9023 Apr 2026PriceCharting£5.9024 Apr 2026PriceCharting£5.9025 Apr 2026PriceCharting£5.9026 Apr 2026PriceCharting£5.9027 Apr 2026PriceCharting£5.9028 Apr 2026PriceCharting£5.9029 Apr 2026PriceCharting£5.9030 Apr 2026HoloHawk Est. Market£6.32PriceCharting£6.091 May 2026HoloHawk Est. Market£6.32PriceCharting£6.092 May 2026HoloHawk Est. Market£6.32PriceCharting£6.093 May 2026HoloHawk Est. Market£6.32PriceCharting£5.904 May 2026HoloHawk Est. Market£6.32PriceCharting£5.905 May 2026HoloHawk Est. Market£6.32PriceCharting£5.906 May 2026HoloHawk Est. Market£6.32PriceCharting£5.907 May 2026HoloHawk Est. Market£6.32PriceCharting£5.908 May 2026HoloHawk Est. Market£6.32PriceCharting£5.379 May 2026HoloHawk Est. Market£6.32PriceCharting£5.3710 May 2026HoloHawk Est. Market£6.32PriceCharting£5.3711 May 2026HoloHawk Est. Market£6.32PriceCharting£5.3712 May 2026HoloHawk Est. Market£6.32PriceCharting£5.3713 May 2026HoloHawk Est. Market£6.32PriceCharting£5.3714 May 2026HoloHawk Est. Market£6.32PriceCharting£5.3715 May 2026HoloHawk Est. Market£6.32PriceCharting£5.3716 May 2026HoloHawk Est. Market£6.32PriceCharting£5.9417 May 2026HoloHawk Est. Market£6.32PriceCharting£5.9418 May 2026HoloHawk Est. Market£6.32PriceCharting£5.9419 May 2026HoloHawk Est. Market£6.32PriceCharting£5.9420 May 2026HoloHawk Est. Market£6.32PriceCharting£5.9021 May 2026HoloHawk Est. Market£6.32PriceCharting£5.9022 May 2026HoloHawk Est. Market£6.32PriceCharting£5.9023 May 2026HoloHawk Est. Market£6.32PriceCharting£5.9024 May 2026HoloHawk Est. Market£6.32PriceCharting£5.9025 May 2026HoloHawk Est. Market£6.32PriceCharting£5.9026 May 2026HoloHawk Est. Market£6.32PriceCharting£5.9027 May 2026HoloHawk Est. Market£6.32PriceCharting£5.9028 May 2026HoloHawk Est. Market£6.32PriceCharting£5.9029 May 2026HoloHawk Est. Market£6.32PriceCharting£5.9030 May 2026HoloHawk Est. Market£6.32PriceCharting£5.9031 May 2026HoloHawk Est. Market£6.32PriceCharting£5.901 Jun 2026HoloHawk Est. Market£6.32PriceCharting£5.482 Jun 2026HoloHawk Est. Market£6.32PriceCharting£5.483 Jun 2026HoloHawk Est. Market£6.32PriceCharting£5.484 Jun 2026HoloHawk Est. Market£6.32PriceCharting£5.485 Jun 2026HoloHawk Est. Market£6.32PriceCharting£5.436 Jun 2026HoloHawk Est. Market£6.32PriceCharting£5.437 Jun 2026HoloHawk Est. Market£6.32PriceCharting£5.438 Jun 2026HoloHawk Est. Market£6.32PriceCharting£6.439 Jun 2026HoloHawk Est. Market£6.32PriceCharting£6.4310 Jun 2026HoloHawk Est. Market£6.32PriceCharting£6.3611 Jun 2026HoloHawk Est. Market£6.32PriceCharting£6.3612 Jun 2026HoloHawk Est. Market£6.32PriceCharting£6.3613 Jun 2026HoloHawk Est. Market£6.32PriceCharting£6.3614 Jun 2026HoloHawk Est. Market£6.32PriceCharting£6.3615 Jun 2026HoloHawk Est. Market£6.32PriceCharting£6.3616 Jun 2026HoloHawk Est. Market£6.32PriceCharting£6.3617 Jun 2026HoloHawk Est. Market£6.32PriceCharting£7.3818 Jun 2026HoloHawk Est. Market£6.32PriceCharting£7.3819 Jun 2026HoloHawk Est. Market£6.32PriceCharting£7.3820 Jun 2026HoloHawk Est. Market£6.32PriceCharting£7.3821 Jun 2026HoloHawk Est. Market£6.32PriceCharting£7.3822 Jun 2026HoloHawk Est. Market£6.32PriceCharting£7.3823 Jun 2026HoloHawk Est. Market£6.32PriceCharting£7.3824 Jun 2026HoloHawk Est. Market£6.32PriceCharting£7.3825 Jun 2026HoloHawk Est. Market£6.32PriceCharting£7.7526 Jun 2026HoloHawk Est. Market£6.32PriceCharting£7.7527 Jun 2026HoloHawk Est. Market£6.32PriceCharting£7.7528 Jun 2026HoloHawk Est. Market£6.32PriceCharting£7.3829 Jun 2026HoloHawk Est. Market£6.32PriceCharting£7.3830 Jun 2026HoloHawk Est. Market£6.32PriceCharting£7.381 Jul 2026HoloHawk Est. Market£6.32PriceCharting£7.942 Jul 2026HoloHawk Est. Market£6.32PriceCharting£7.943 Jul 2026HoloHawk Est. Market£6.32PriceCharting£7.944 Jul 2026HoloHawk Est. Market£6.32PriceCharting£8.865 Jul 2026HoloHawk Est. Market£7.06PriceCharting£8.866 Jul 2026HoloHawk Est. Market£7.06PriceCharting£8.867 Jul 2026HoloHawk Est. Market£7.06PriceCharting£8.738 Jul 2026HoloHawk Est. Market£7.06PriceCharting£8.739 Jul 2026HoloHawk Est. Market£7.06PriceCharting£8.7310 Jul 2026HoloHawk Est. Market£7.06PriceCharting£8.7311 Jul 2026HoloHawk Est. Market£7.06PriceCharting£8.7312 Jul 2026HoloHawk Est. Market£7.06PriceCharting£8.7313 Jul 2026HoloHawk Est. Market£7.06PriceCharting£7.3814 Jul 2026HoloHawk Est. Market£7.06PriceCharting£7.3815 Jul 2026HoloHawk Est. Market£7.06PriceCharting£7.3816 Jul 2026HoloHawk Est. Market£7.06PriceCharting£7.3817 Jul 2026HoloHawk Est. Market£7.06PriceCharting£7.8918 Jul 2026HoloHawk Est. Market£7.06PriceCharting£7.8919 Jul 2026HoloHawk Est. Market£7.06PriceCharting£7.8920 Jul 2026HoloHawk Est. Market£7.06PriceCharting£7.8921 Jul 2026HoloHawk Est. Market£7.06PriceCharting£7.8922 Jul 2026HoloHawk Est. Market£7.06PriceCharting£7.3823 Jul 2026HoloHawk Est. Market£7.06PriceCharting£7.3824 Jul 2026HoloHawk Est. Market£7.06PriceCharting£7.3825 Jul 2026HoloHawk Est. Market£7.06PriceCharting£7.3826 Jul 2026HoloHawk Est. Market£7.06PriceCharting£7.3827 Jul 2026HoloHawk Est. Market£7.06PriceCharting£7.3828 Jul 2026HoloHawk Est. Market£7.06PriceCharting£7.3829 Jul 2026HoloHawk Est. Market£7.06PriceCharting£7.3830 Jul 2026HoloHawk Est. Market£7.06PriceCharting£7.3831 Jul 2026HoloHawk Est. Market£7.06PriceCharting£7.381 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.492 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.493 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.494 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.495 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.496 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.807 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.808 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.809 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.8010 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.8011 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.8012 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.6013 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.6014 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.6015 Aug 2026HoloHawk Est. Market£7.06PriceCharting£7.6016 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.6017 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.6018 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.6019 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.6020 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.6021 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.6022 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.6023 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.6024 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.3825 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.3826 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.3827 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.3828 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.3829 Aug 2026HoloHawk Est. Market£8.35PriceCharting£7.5630 Aug 2026HoloHawk Est. Market£7.99PriceCharting£7.5631 Aug 2026HoloHawk Est. Market£7.99PriceCharting£7.561 Sept 2026HoloHawk Est. Market£7.99PriceCharting£7.562 Sept 2026HoloHawk Est. Market£7.99PriceCharting£7.56
£6.00£8.00
14 Apr25 May3 Jul2 Sept
HoloHawk Est. Market · PriceCharting · PulseTCG. Hover any point for that day's figures. Flat sections mean the price did not move — a reading is recorded only when it changes. PulseTCG has no readings for this card yet.
Graded price history
PSA 10 · £290
PSA 10Grade 9.5Grade 9BGS 10CGC 10
14 Apr 2026PSA 10£59.4015 Apr 2026PSA 10£59.4016 Apr 2026PSA 10£59.4017 Apr 2026PSA 10£59.4018 Apr 2026PSA 10£59.4019 Apr 2026PSA 10£59.4020 Apr 2026PSA 10£59.4021 Apr 2026PSA 10£59.4022 Apr 2026PSA 10£59.4023 Apr 2026PSA 10£59.4024 Apr 2026PSA 10£59.4025 Apr 2026PSA 10£59.4026 Apr 2026PSA 10£59.4027 Apr 2026PSA 10£59.4028 Apr 2026PSA 10£59.4029 Apr 2026PSA 10£59.4030 Apr 2026PSA 10£59.401 May 2026PSA 10£59.402 May 2026PSA 10£59.403 May 2026PSA 10£59.404 May 2026PSA 10£59.405 May 2026PSA 10£59.406 May 2026PSA 10£59.407 May 2026PSA 10£59.408 May 2026PSA 10£59.409 May 2026PSA 10£59.4010 May 2026PSA 10£59.4011 May 2026PSA 10£59.4012 May 2026PSA 10£59.4013 May 2026PSA 10£59.4014 May 2026PSA 10£59.4015 May 2026PSA 10£59.4016 May 2026PSA 10£59.4017 May 2026PSA 10£59.4018 May 2026PSA 10£59.4019 May 2026PSA 10£59.4020 May 2026PSA 10£59.4021 May 2026PSA 10£59.4022 May 2026PSA 10£59.4023 May 2026PSA 10£59.4024 May 2026PSA 10£59.4025 May 2026PSA 10£59.4026 May 2026PSA 10£59.4027 May 2026PSA 10£59.4028 May 2026PSA 10£59.4029 May 2026PSA 10£59.4030 May 2026PSA 10£59.4031 May 2026PSA 10£59.401 Jun 2026PSA 10£59.402 Jun 2026PSA 10£59.403 Jun 2026PSA 10£59.404 Jun 2026PSA 10£59.405 Jun 2026PSA 10£59.406 Jun 2026PSA 10£59.407 Jun 2026PSA 10£59.408 Jun 2026PSA 10£59.409 Jun 2026PSA 10£59.4010 Jun 2026PSA 10£10811 Jun 2026PSA 10£10812 Jun 2026PSA 10£10813 Jun 2026PSA 10£10814 Jun 2026PSA 10£10815 Jun 2026PSA 10£10816 Jun 2026PSA 10£10817 Jun 2026PSA 10£11218 Jun 2026PSA 10£11219 Jun 2026PSA 10£11520 Jun 2026PSA 10£11521 Jun 2026PSA 10£11522 Jun 2026PSA 10£11523 Jun 2026PSA 10£11524 Jun 2026PSA 10£11525 Jun 2026PSA 10£11626 Jun 2026PSA 10£11627 Jun 2026PSA 10£11628 Jun 2026PSA 10£11629 Jun 2026PSA 10£11630 Jun 2026PSA 10£1161 Jul 2026PSA 10£1172 Jul 2026PSA 10£1173 Jul 2026PSA 10£1174 Jul 2026PSA 10£1175 Jul 2026PSA 10£1176 Jul 2026PSA 10£1177 Jul 2026PSA 10£1178 Jul 2026PSA 10£1179 Jul 2026PSA 10£11710 Jul 2026PSA 10£11711 Jul 2026PSA 10£11712 Jul 2026PSA 10£11713 Jul 2026PSA 10£11714 Jul 2026PSA 10£11715 Jul 2026PSA 10£11716 Jul 2026PSA 10£11717 Jul 2026PSA 10£11718 Jul 2026PSA 10£11719 Jul 2026PSA 10£11720 Jul 2026PSA 10£11721 Jul 2026PSA 10£11722 Jul 2026PSA 10£29023 Jul 2026PSA 10£29024 Jul 2026PSA 10£29025 Jul 2026PSA 10£29026 Jul 2026PSA 10£29027 Jul 2026PSA 10£29028 Jul 2026PSA 10£29029 Jul 2026PSA 10£29030 Jul 2026PSA 10£29031 Jul 2026PSA 10£2901 Aug 2026PSA 10£2902 Aug 2026PSA 10£2903 Aug 2026PSA 10£2904 Aug 2026PSA 10£290Grade 9.5£32.52Grade 9£29.55BGS 10£377CGC 10£57.585 Aug 2026PSA 10£290Grade 9.5£32.52Grade 9£29.55BGS 10£377CGC 10£57.586 Aug 2026PSA 10£290Grade 9.5£32.52Grade 9£29.55BGS 10£377CGC 10£57.437 Aug 2026PSA 10£290Grade 9.5£32.52Grade 9£29.55BGS 10£377CGC 10£57.438 Aug 2026PSA 10£290Grade 9.5£32.52Grade 9£29.55BGS 10£377CGC 10£57.439 Aug 2026PSA 10£290Grade 9.5£32.52Grade 9£29.55BGS 10£377CGC 10£57.4310 Aug 2026PSA 10£290Grade 9.5£32.52Grade 9£29.55BGS 10£377CGC 10£57.4311 Aug 2026PSA 10£290Grade 9.5£32.52Grade 9£29.55BGS 10£377CGC 10£57.4312 Aug 2026PSA 10£290Grade 9.5£32.52Grade 9£29.55BGS 10£377CGC 10£57.1013 Aug 2026PSA 10£290Grade 9.5£32.52Grade 9£29.55BGS 10£377CGC 10£57.1014 Aug 2026PSA 10£290Grade 9.5£32.52Grade 9£29.55BGS 10£377CGC 10£57.1015 Aug 2026PSA 10£290Grade 9.5£32.52Grade 9£29.55BGS 10£377CGC 10£57.1016 Aug 2026PSA 10£290Grade 9.5£32.52Grade 9£29.55BGS 10£377CGC 10£57.1017 Aug 2026PSA 10£290Grade 9.5£40.65Grade 9£36.95BGS 10£377CGC 10£57.0018 Aug 2026PSA 10£290Grade 9.5£40.65Grade 9£36.95BGS 10£377CGC 10£57.0019 Aug 2026PSA 10£290Grade 9.5£40.65Grade 9£36.95BGS 10£377CGC 10£57.0020 Aug 2026PSA 10£290Grade 9.5£40.65Grade 9£36.95BGS 10£377CGC 10£57.0021 Aug 2026PSA 10£290Grade 9.5£40.65Grade 9£36.95BGS 10£377CGC 10£57.0022 Aug 2026PSA 10£290Grade 9.5£40.65Grade 9£36.95BGS 10£377CGC 10£57.0023 Aug 2026PSA 10£290Grade 9.5£40.65Grade 9£36.95BGS 10£377CGC 10£57.0024 Aug 2026PSA 10£290Grade 9.5£40.65Grade 9£36.95BGS 10£377CGC 10£56.9425 Aug 2026PSA 10£290Grade 9.5£40.65Grade 9£36.95BGS 10£377CGC 10£56.9426 Aug 2026PSA 10£290Grade 9.5£40.65Grade 9£36.95BGS 10£377CGC 10£56.9427 Aug 2026PSA 10£290Grade 9.5£40.65Grade 9£36.95BGS 10£377CGC 10£56.9428 Aug 2026PSA 10£290Grade 9.5£40.65Grade 9£36.95BGS 10£377CGC 10£56.9429 Aug 2026PSA 10£290Grade 9.5£40.65Grade 9£36.95BGS 10£377CGC 10£56.9130 Aug 2026PSA 10£290Grade 9.5£40.65Grade 9£36.95BGS 10£377CGC 10£56.9131 Aug 2026PSA 10£290Grade 9.5£40.65Grade 9£36.95BGS 10£377CGC 10£56.911 Sept 2026PSA 10£290Grade 9.5£40.65Grade 9£36.95BGS 10£377CGC 10£56.912 Sept 2026PSA 10£290Grade 9.5£27.34Grade 9£25.18BGS 10£377CGC 10£56.91
£200
14 Apr25 May3 Jul2 Sept
Graded prices from PriceCharting, in GBP. PSA 10 has been tracked since April 2026; the other tiers began recording 3 August 2026 and join the chart as their history builds.
New listings per day
0 today
How many new UK listings appear for this card each day. Rising supply against a
falling price is the clearest sell signal there is. This counts what we saw, so it is a sample of
the market rather than a total.
30 Aug 2026New listings/day131 Aug 2026New listings/day0
01
30 Aug30 Aug31 Aug31 Aug
New UK listings we saw appear each day. A direct count of what the scanner observed, not an estimate of everything on eBay. Source: HoloHawk, observed directly on eBay UK.
Confirmed sales per day
Auctions that closed with a winning bid. A sale we watched happen, not a listing that
disappeared for unknown reasons.
16 Aug 2026Confirmed sales/day1
1
UK auctions that closed with a winning bid each day. Source: HoloHawk, observed directly on eBay UK.
Recent confirmed sales
Confirmed auction results
UK auctions that closed with a winning bid — not listings that merely disappeared.
Observed within three minutes of close, so each is a lower bound on the hammer price.
Ended
Bids
Price
16 Aug
4
£34.04 or more
On sale now in the UK
1 live
Fixed-price listings we are currently tracking, cheapest first. Asking prices, not sales,
and a sample of what is listed rather than everything on eBay. Each row opens the listing on eBay — HoloHawk earns a commission on purchases made through it, and it never changes the price you pay.
Three independent readings, shown side by side rather than blended into one figure:
HoloHawk Est. MarketOur own estimate, from live UK listings
PriceChartingPublished reference price, USD converted to GBP
PulseTCGPublished reference price, natively GBP
A reading is stored only when a price actually changes, so flat
stretches mean the price held — not that data is missing. Where a source has no history for an item its
line is absent rather than flat. Confirmed sales are UK auctions that closed with a winning bid, observed
within three minutes of close, so each is a lower bound. Live listings are asking prices, not sales.
Supply and sales counts are direct observations — listings we saw appear and auctions we saw close with a
bid. We do not infer that a listing sold because it disappeared, so nothing here depends on that guess.