Market Tape
Reference snapshot · Apr 27, 06:00 AM · Scryfall daily price snapshot · Snapshot-backed reference
Four Knocks
NMrare
Four Knocks #20 from Doctor Who is tracked as a rare card with a current CardIntel reference price of $0.58. Recent movement is -9.4% on the latest tracked window. The page compares source-labeled price snapshots, verified snapshot history, activity signals, and comparable cards using Scryfall daily price snapshot · Snapshot-backed reference; prices are shown as of Apr 27, 06:00 AM.
Card Game
Magic
Set/Year
Doctor Who
Card #
20
Artist
Darren Tan
Variant
Normal
Cross-Platform Pricing
Reference Price
Snapshot-backed reference
$0.58
TCGPlayer Market
Aggregate
$0.58
| Source | Price | Type |
|---|---|---|
| Reference Price | $0.58 | Snapshot-backed reference |
| TCGPlayer Market | $0.58 | Aggregate |
Data Quality
Verified snapshot history21 real daily snapshot points.
Snapshot sourceScryfall daily price snapshot · Snapshot-backed reference
MethodCatalog connector snapshot
Reference basisSnapshot-backed reference
Chart latest layerScryfall daily price snapshot
Activity Not Available
LowNot tracked
MTG cards do not have activity data — the data source does not track trading volume.
Advanced Analytics
Cross-market pricing, price history logs, and valuation analysis are hidden by default. Enable Advanced Analytics above to explore.
Reference Price
$0.58
▼ 9.4%
As of Apr 27, 06:00 AM · Snapshot-backed reference · Low confidence
7D Change
-3.3%
Activity Not Available
Not tracked
Price Action
Loading chart…
Verified snapshot history: 21 real daily snapshot points.
Market Evidence Status
MTG card pages currently publish reference snapshots and history, but not completed-sales-derived confidence metrics.
Why Is This Moving?
3 EventsPokémon TCG: Surging Sparks Released— Neutral
The latest Scarlet & Violet expansion 'Surging Sparks' officially launched worldwide. Early chase cards include Pikachu ex SAR and several new Illustration Rares. First-week prices are inflated — expect correction in 2-4 weeks.
Feb 15, 2026via Official Pokémon CompanyConfidence 60%
PSA Announces New Modern Card Tier Pricing— Neutral
PSA raised their base-level grading fee from $30 to $35 for standard cards. Express and Super Express tiers unchanged. This may reduce casual submissions and tighten PSA 10 supply for modern cards.
Feb 10, 2026via PSA OfficialConfidence 60%
January Market Overview: Post-Holiday Correction▼ Negative
As expected, the market saw a 5-10% correction across most categories following the December holiday buying surge. Vintage cards held better than modern, with Base Set holos showing minimal decline.
Jan 5, 2026via Market Data AnalysisConfidence 60%
