HoloHawk earns a commission on eBay purchases through this link. It never changes the price you pay.
Prices by grade
Today's figures for every tier. Graded history starts building tonight.
Raw · ungraded£1.11
Grade 9£12.67
Grade 9.5£14.03
PSA 10£27.39
BGS 10£35.45
CGC 10£14.76
At a glance
30-day high£1.84
30-day low£1.09
Tracked high£1.86
Days tracked136
IllustratorYano Keiji
Pokédex934
Price history
116 readings · 136d
HoloHawk Est. MarketPriceChartingPulseTCG awaiting data
21 Aug 2026PriceCharting£1.4822 Aug 2026PriceCharting£1.1323 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.1324 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.1325 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.0926 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.0927 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.0928 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.1129 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.1130 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.11
£1.50£2.00
21 Aug22 Aug25 Aug28 Aug
HoloHawk Est. MarketPriceChartingPulseTCG awaiting data
29 Jul 2026PriceCharting£1.3130 Jul 2026PriceCharting£1.2731 Jul 2026HoloHawk Est. Market£2.24PriceCharting£1.271 Aug 2026HoloHawk Est. Market£2.24PriceCharting£1.272 Aug 2026HoloHawk Est. Market£2.24PriceCharting£1.203 Aug 2026HoloHawk Est. Market£2.24PriceCharting£1.204 Aug 2026HoloHawk Est. Market£2.24PriceCharting£1.205 Aug 2026HoloHawk Est. Market£2.24PriceCharting£1.206 Aug 2026HoloHawk Est. Market£2.34PriceCharting£1.207 Aug 2026HoloHawk Est. Market£2.34PriceCharting£1.848 Aug 2026HoloHawk Est. Market£2.34PriceCharting£1.849 Aug 2026HoloHawk Est. Market£2.34PriceCharting£1.8410 Aug 2026HoloHawk Est. Market£2.34PriceCharting£1.8411 Aug 2026HoloHawk Est. Market£2.34PriceCharting£1.4212 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.4213 Aug 2026HoloHawk Est. Market£2.34PriceCharting£1.5714 Aug 2026HoloHawk Est. Market£2.34PriceCharting£1.5715 Aug 2026HoloHawk Est. Market£2.34PriceCharting£1.5716 Aug 2026HoloHawk Est. Market£2.34PriceCharting£1.4717 Aug 2026HoloHawk Est. Market£2.34PriceCharting£1.4718 Aug 2026HoloHawk Est. Market£2.34PriceCharting£1.4719 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.4720 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.4821 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.4822 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.1323 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.1324 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.1325 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.0926 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.0927 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.0928 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.1129 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.1130 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.11
£1.50£2.00
29 Jul2 Aug13 Aug28 Aug
HoloHawk Est. MarketPriceChartingPulseTCG awaiting data
14 Apr 2026PriceCharting£1.2615 Apr 2026PriceCharting£1.2616 Apr 2026PriceCharting£1.2617 Apr 2026PriceCharting£1.2618 Apr 2026PriceCharting£1.2619 Apr 2026PriceCharting£1.2620 Apr 2026PriceCharting£1.4021 Apr 2026PriceCharting£1.4022 Apr 2026PriceCharting£1.4023 Apr 2026PriceCharting£1.4024 Apr 2026PriceCharting£1.4825 Apr 2026PriceCharting£1.4826 Apr 2026PriceCharting£1.2927 Apr 2026PriceCharting£1.2928 Apr 2026PriceCharting£1.2929 Apr 2026PriceCharting£1.6130 Apr 2026PriceCharting£1.611 May 2026PriceCharting£1.612 May 2026PriceCharting£1.613 May 2026PriceCharting£1.474 May 2026PriceCharting£1.475 May 2026HoloHawk Est. Market£2.35PriceCharting£1.486 May 2026HoloHawk Est. Market£2.35PriceCharting£1.487 May 2026HoloHawk Est. Market£2.35PriceCharting£1.488 May 2026HoloHawk Est. Market£2.35PriceCharting£1.429 May 2026HoloHawk Est. Market£2.35PriceCharting£1.4210 May 2026HoloHawk Est. Market£2.35PriceCharting£1.4211 May 2026HoloHawk Est. Market£2.35PriceCharting£1.4212 May 2026HoloHawk Est. Market£2.35PriceCharting£1.6513 May 2026HoloHawk Est. Market£2.35PriceCharting£1.6514 May 2026HoloHawk Est. Market£2.35PriceCharting£1.5115 May 2026HoloHawk Est. Market£2.35PriceCharting£1.5116 May 2026HoloHawk Est. Market£2.35PriceCharting£1.5117 May 2026HoloHawk Est. Market£2.35PriceCharting£1.2318 May 2026HoloHawk Est. Market£2.35PriceCharting£1.2319 May 2026HoloHawk Est. Market£2.35PriceCharting£1.2320 May 2026HoloHawk Est. Market£2.35PriceCharting£1.2321 May 2026HoloHawk Est. Market£2.35PriceCharting£1.0722 May 2026HoloHawk Est. Market£2.35PriceCharting£1.0723 May 2026HoloHawk Est. Market£2.27PriceCharting£1.4624 May 2026HoloHawk Est. Market£2.27PriceCharting£1.4625 May 2026HoloHawk Est. Market£2.27PriceCharting£1.4626 May 2026HoloHawk Est. Market£2.27PriceCharting£1.2427 May 2026HoloHawk Est. Market£2.27PriceCharting£1.2428 May 2026HoloHawk Est. Market£2.27PriceCharting£1.2429 May 2026HoloHawk Est. Market£2.27PriceCharting£1.2430 May 2026HoloHawk Est. Market£2.27PriceCharting£1.5131 May 2026HoloHawk Est. Market£2.27PriceCharting£1.511 Jun 2026HoloHawk Est. Market£2.27PriceCharting£1.472 Jun 2026HoloHawk Est. Market£2.27PriceCharting£1.473 Jun 2026HoloHawk Est. Market£2.27PriceCharting£1.474 Jun 2026HoloHawk Est. Market£2.27PriceCharting£1.475 Jun 2026HoloHawk Est. Market£2.27PriceCharting£1.266 Jun 2026HoloHawk Est. Market£2.27PriceCharting£1.267 Jun 2026HoloHawk Est. Market£2.27PriceCharting£1.038 Jun 2026HoloHawk Est. Market£2.27PriceCharting£1.039 Jun 2026HoloHawk Est. Market£2.27PriceCharting£1.0310 Jun 2026HoloHawk Est. Market£2.27PriceCharting£1.1511 Jun 2026HoloHawk Est. Market£2.27PriceCharting£1.1512 Jun 2026HoloHawk Est. Market£2.27PriceCharting£1.1513 Jun 2026HoloHawk Est. Market£2.27PriceCharting£1.2914 Jun 2026HoloHawk Est. Market£2.27PriceCharting£1.2915 Jun 2026HoloHawk Est. Market£2.27PriceCharting£1.4716 Jun 2026HoloHawk Est. Market£2.27PriceCharting£1.4717 Jun 2026HoloHawk Est. Market£2.27PriceCharting£1.4718 Jun 2026HoloHawk Est. Market£2.27PriceCharting£1.4719 Jun 2026HoloHawk Est. Market£2.27PriceCharting£1.4720 Jun 2026HoloHawk Est. Market£2.27PriceCharting£1.3621 Jun 2026HoloHawk Est. Market£2.27PriceCharting£1.3622 Jun 2026HoloHawk Est. Market£2.27PriceCharting£1.3623 Jun 2026HoloHawk Est. Market£2.27PriceCharting£1.1524 Jun 2026HoloHawk Est. Market£2.27PriceCharting£1.1525 Jun 2026HoloHawk Est. Market£2.45PriceCharting£1.1526 Jun 2026HoloHawk Est. Market£2.45PriceCharting£1.1527 Jun 2026HoloHawk Est. Market£2.45PriceCharting£1.0628 Jun 2026HoloHawk Est. Market£2.45PriceCharting£1.0629 Jun 2026HoloHawk Est. Market£2.45PriceCharting£1.5130 Jun 2026HoloHawk Est. Market£2.45PriceCharting£1.511 Jul 2026HoloHawk Est. Market£2.45PriceCharting£1.512 Jul 2026HoloHawk Est. Market£2.28PriceCharting£1.483 Jul 2026HoloHawk Est. Market£2.28PriceCharting£1.484 Jul 2026HoloHawk Est. Market£2.28PriceCharting£1.485 Jul 2026HoloHawk Est. Market£2.28PriceCharting£1.316 Jul 2026HoloHawk Est. Market£2.28PriceCharting£1.317 Jul 2026HoloHawk Est. Market£2.28PriceCharting£1.318 Jul 2026HoloHawk Est. Market£2.28PriceCharting£1.319 Jul 2026HoloHawk Est. Market£2.39PriceCharting£1.3510 Jul 2026HoloHawk Est. Market£2.39PriceCharting£1.3511 Jul 2026HoloHawk Est. Market£2.39PriceCharting£1.1212 Jul 2026HoloHawk Est. Market£2.39PriceCharting£1.1213 Jul 2026HoloHawk Est. Market£2.39PriceCharting£1.1214 Jul 2026HoloHawk Est. Market£2.39PriceCharting£1.2815 Jul 2026HoloHawk Est. Market£2.39PriceCharting£1.2816 Jul 2026HoloHawk Est. Market£2.45PriceCharting£1.2817 Jul 2026HoloHawk Est. Market£2.45PriceCharting£1.2818 Jul 2026HoloHawk Est. Market£2.45PriceCharting£1.2319 Jul 2026HoloHawk Est. Market£2.45PriceCharting£1.2320 Jul 2026HoloHawk Est. Market£2.45PriceCharting£1.7521 Jul 2026HoloHawk Est. Market£2.45PriceCharting£1.7522 Jul 2026HoloHawk Est. Market£2.45PriceCharting£1.7523 Jul 2026HoloHawk Est. Market£2.24PriceCharting£1.8624 Jul 2026HoloHawk Est. Market£2.24PriceCharting£1.8625 Jul 2026HoloHawk Est. Market£2.24PriceCharting£1.8626 Jul 2026HoloHawk Est. Market£2.24PriceCharting£1.3127 Jul 2026HoloHawk Est. Market£2.24PriceCharting£1.3128 Jul 2026HoloHawk Est. Market£2.24PriceCharting£1.3129 Jul 2026HoloHawk Est. Market£2.24PriceCharting£1.3130 Jul 2026HoloHawk Est. Market£2.24PriceCharting£1.2731 Jul 2026HoloHawk Est. Market£2.24PriceCharting£1.271 Aug 2026HoloHawk Est. Market£2.24PriceCharting£1.272 Aug 2026HoloHawk Est. Market£2.24PriceCharting£1.203 Aug 2026HoloHawk Est. Market£2.24PriceCharting£1.204 Aug 2026HoloHawk Est. Market£2.24PriceCharting£1.205 Aug 2026HoloHawk Est. Market£2.24PriceCharting£1.206 Aug 2026HoloHawk Est. Market£2.34PriceCharting£1.207 Aug 2026HoloHawk Est. Market£2.34PriceCharting£1.848 Aug 2026HoloHawk Est. Market£2.34PriceCharting£1.849 Aug 2026HoloHawk Est. Market£2.34PriceCharting£1.8410 Aug 2026HoloHawk Est. Market£2.34PriceCharting£1.8411 Aug 2026HoloHawk Est. Market£2.34PriceCharting£1.4212 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.4213 Aug 2026HoloHawk Est. Market£2.34PriceCharting£1.5714 Aug 2026HoloHawk Est. Market£2.34PriceCharting£1.5715 Aug 2026HoloHawk Est. Market£2.34PriceCharting£1.5716 Aug 2026HoloHawk Est. Market£2.34PriceCharting£1.4717 Aug 2026HoloHawk Est. Market£2.34PriceCharting£1.4718 Aug 2026HoloHawk Est. Market£2.34PriceCharting£1.4719 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.4720 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.4821 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.4822 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.1323 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.1324 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.1325 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.0926 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.0927 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.0928 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.1129 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.1130 Aug 2026HoloHawk Est. Market£2.45PriceCharting£1.11
£1.50£2.00
14 Apr25 May5 Jul28 Aug
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 · £27.39
PSA 10Grade 9.5Grade 9BGS 10CGC 10
14 Apr 2026PSA 10£21.5215 Apr 2026PSA 10£21.5216 Apr 2026PSA 10£21.5217 Apr 2026PSA 10£21.4018 Apr 2026PSA 10£21.4019 Apr 2026PSA 10£21.4020 Apr 2026PSA 10£22.5921 Apr 2026PSA 10£22.5922 Apr 2026PSA 10£22.5923 Apr 2026PSA 10£22.5924 Apr 2026PSA 10£22.7825 Apr 2026PSA 10£22.7826 Apr 2026PSA 10£23.6327 Apr 2026PSA 10£23.6328 Apr 2026PSA 10£23.6329 Apr 2026PSA 10£22.1530 Apr 2026PSA 10£22.151 May 2026PSA 10£22.152 May 2026PSA 10£22.153 May 2026PSA 10£22.154 May 2026PSA 10£22.155 May 2026PSA 10£22.166 May 2026PSA 10£22.167 May 2026PSA 10£22.168 May 2026PSA 10£24.749 May 2026PSA 10£24.7410 May 2026PSA 10£24.7411 May 2026PSA 10£24.7412 May 2026PSA 10£24.3713 May 2026PSA 10£24.3714 May 2026PSA 10£23.0515 May 2026PSA 10£23.0516 May 2026PSA 10£23.0517 May 2026PSA 10£23.0518 May 2026PSA 10£23.0519 May 2026PSA 10£23.0520 May 2026PSA 10£23.0521 May 2026PSA 10£23.0522 May 2026PSA 10£23.0523 May 2026PSA 10£24.1924 May 2026PSA 10£24.1925 May 2026PSA 10£24.1926 May 2026PSA 10£25.0427 May 2026PSA 10£25.0428 May 2026PSA 10£25.0429 May 2026PSA 10£25.0430 May 2026PSA 10£25.0431 May 2026PSA 10£25.041 Jun 2026PSA 10£28.072 Jun 2026PSA 10£28.073 Jun 2026PSA 10£28.074 Jun 2026PSA 10£28.075 Jun 2026PSA 10£28.426 Jun 2026PSA 10£28.427 Jun 2026PSA 10£25.858 Jun 2026PSA 10£25.859 Jun 2026PSA 10£25.8510 Jun 2026PSA 10£25.8111 Jun 2026PSA 10£25.8112 Jun 2026PSA 10£25.8113 Jun 2026PSA 10£25.9214 Jun 2026PSA 10£25.9215 Jun 2026PSA 10£26.2816 Jun 2026PSA 10£26.2817 Jun 2026PSA 10£27.7018 Jun 2026PSA 10£27.7019 Jun 2026PSA 10£27.7020 Jun 2026PSA 10£27.3321 Jun 2026PSA 10£27.3322 Jun 2026PSA 10£27.3323 Jun 2026PSA 10£27.3324 Jun 2026PSA 10£27.3325 Jun 2026PSA 10£27.3326 Jun 2026PSA 10£27.3327 Jun 2026PSA 10£27.3328 Jun 2026PSA 10£27.3329 Jun 2026PSA 10£27.3230 Jun 2026PSA 10£27.321 Jul 2026PSA 10£27.322 Jul 2026PSA 10£27.533 Jul 2026PSA 10£27.534 Jul 2026PSA 10£27.535 Jul 2026PSA 10£27.326 Jul 2026PSA 10£27.327 Jul 2026PSA 10£27.328 Jul 2026PSA 10£27.329 Jul 2026PSA 10£27.3210 Jul 2026PSA 10£27.3211 Jul 2026PSA 10£27.3212 Jul 2026PSA 10£27.3213 Jul 2026PSA 10£27.3214 Jul 2026PSA 10£26.9515 Jul 2026PSA 10£26.9516 Jul 2026PSA 10£26.9517 Jul 2026PSA 10£26.9518 Jul 2026PSA 10£26.5919 Jul 2026PSA 10£26.5920 Jul 2026PSA 10£26.5921 Jul 2026PSA 10£26.5922 Jul 2026PSA 10£26.5923 Jul 2026PSA 10£26.9224 Jul 2026PSA 10£26.9225 Jul 2026PSA 10£26.9226 Jul 2026PSA 10£26.9227 Jul 2026PSA 10£26.9228 Jul 2026PSA 10£26.9229 Jul 2026PSA 10£26.9230 Jul 2026PSA 10£26.3831 Jul 2026PSA 10£26.381 Aug 2026PSA 10£26.382 Aug 2026PSA 10£26.973 Aug 2026PSA 10£26.974 Aug 2026PSA 10£26.97Grade 9.5£11.82Grade 9£10.61BGS 10£34.71CGC 10£11.135 Aug 2026PSA 10£26.97Grade 9.5£11.82Grade 9£10.61BGS 10£34.71CGC 10£11.136 Aug 2026PSA 10£26.97Grade 9.5£11.82Grade 9£10.61BGS 10£34.71CGC 10£11.137 Aug 2026PSA 10£27.39Grade 9.5£11.82Grade 9£10.58BGS 10£35.45CGC 10£10.988 Aug 2026PSA 10£27.39Grade 9.5£11.82Grade 9£10.58BGS 10£35.45CGC 10£10.989 Aug 2026PSA 10£27.39Grade 9.5£11.82Grade 9£10.58BGS 10£35.45CGC 10£10.9810 Aug 2026PSA 10£27.39Grade 9.5£11.82Grade 9£10.58BGS 10£35.45CGC 10£10.9811 Aug 2026PSA 10£27.39Grade 9.5£11.82Grade 9£10.57BGS 10£35.45CGC 10£10.9812 Aug 2026PSA 10£27.39Grade 9.5£11.82Grade 9£10.57BGS 10£35.45CGC 10£10.9813 Aug 2026PSA 10£27.39Grade 9.5£11.08Grade 9£10.03BGS 10£35.45CGC 10£10.9814 Aug 2026PSA 10£27.39Grade 9.5£11.08Grade 9£10.03BGS 10£35.45CGC 10£10.9815 Aug 2026PSA 10£27.39Grade 9.5£11.08Grade 9£10.03BGS 10£35.45CGC 10£10.9816 Aug 2026PSA 10£27.39Grade 9.5£11.08Grade 9£10.01BGS 10£35.45CGC 10£10.9817 Aug 2026PSA 10£27.39Grade 9.5£11.08Grade 9£10.01BGS 10£35.45CGC 10£10.9818 Aug 2026PSA 10£27.39Grade 9.5£11.08Grade 9£10.01BGS 10£35.45CGC 10£10.9819 Aug 2026PSA 10£27.39Grade 9.5£11.08Grade 9£10.01BGS 10£35.45CGC 10£10.9820 Aug 2026PSA 10£27.73Grade 9.5£14.03Grade 9£12.46BGS 10£36.19CGC 10£10.9821 Aug 2026PSA 10£27.73Grade 9.5£14.03Grade 9£12.46BGS 10£36.19CGC 10£10.9822 Aug 2026PSA 10£27.73Grade 9.5£14.03Grade 9£12.58BGS 10£36.19CGC 10£10.9823 Aug 2026PSA 10£27.73Grade 9.5£14.03Grade 9£12.58BGS 10£36.19CGC 10£10.9824 Aug 2026PSA 10£27.73Grade 9.5£14.03Grade 9£12.58BGS 10£36.19CGC 10£10.9825 Aug 2026PSA 10£27.12Grade 9.5£14.03Grade 9£12.64BGS 10£35.45CGC 10£14.7626 Aug 2026PSA 10£27.12Grade 9.5£14.03Grade 9£12.64BGS 10£35.45CGC 10£14.7627 Aug 2026PSA 10£27.12Grade 9.5£14.03Grade 9£12.64BGS 10£35.45CGC 10£14.7628 Aug 2026PSA 10£27.39Grade 9.5£14.03Grade 9£12.67BGS 10£35.45CGC 10£14.76
£20.00£30.00
14 Apr25 May5 Jul28 Aug
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
1 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.
12 Aug 2026New listings/day113 Aug 2026New listings/day014 Aug 2026New listings/day015 Aug 2026New listings/day016 Aug 2026New listings/day017 Aug 2026New listings/day018 Aug 2026New listings/day019 Aug 2026New listings/day120 Aug 2026New listings/day021 Aug 2026New listings/day022 Aug 2026New listings/day223 Aug 2026New listings/day124 Aug 2026New listings/day025 Aug 2026New listings/day026 Aug 2026New listings/day027 Aug 2026New listings/day128 Aug 2026New listings/day029 Aug 2026New listings/day030 Aug 2026New listings/day1
012
12 Aug18 Aug24 Aug30 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.
6 Aug 2026Confirmed sales/day07 Aug 2026Confirmed sales/day08 Aug 2026Confirmed sales/day09 Aug 2026Confirmed sales/day010 Aug 2026Confirmed sales/day011 Aug 2026Confirmed sales/day012 Aug 2026Confirmed sales/day013 Aug 2026Confirmed sales/day0
-101
6 Aug6 Aug13 Aug13 Aug
UK auctions that closed with a winning bid each day. Source: HoloHawk, observed directly on eBay UK.
Recent confirmed sales
Recording live
No confirmed sales for this card yet
We log every UK auction that closes with a winning bid — around 4,600 a day across the catalogue.
The first result for this card appears here as soon as one sells.
On sale now in the UK
7 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.