Knightmon - BT5-042 (2021 Championship Online Regional) [Online Finalist] Battle of Omni Promo Digimon card — value and price

Knightmon - BT5-042 (2021 Championship Online Regional) [Online Finalist]

Battle of Omni · Promo
Digimon dgm:246220 TCGplayer (daily snapshot, 2026-07-21)
Fair market value
$5.20
Consensus of 1 market price guide. Typical $4.50 – $5.92.
→ 0% · 18d
Sources: TCGplayer (daily snapshot, 2026-07-21) · Near Mint, raw
Optimal buy
$4.82
Never pay above $5.03
Optimal sell
$5.49
Never sell below $5.29
Buy this card · aim to pay under $5.03
Find on eBay → TCGplayer → Buy on Amazon → Graded (PSA 10) →

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Selling this card
Optimal sell $5.49 · never below $5.29. Value your copy for the live net-after-fees calculator.
Where to sell
eBay~13.25% + $0.30Largest audience; on any listing use “Sell one like this” to prefill yours.TCGplayer~10–11%Best for singles; buyers expect competitive, data-driven pricing.Whatnot~8% + paymentLive-auction app; strong for breaks, lots, and fast sales.
Shipping & protection supplies
Low value — a sleeve in a plain/bubble mailer is plenty; tracking optional under ~$20.
Penny sleevesBubble mailers
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Common questions
How much is Knightmon - BT5-042 (2021 Championship Online Regional) [Online Finalist] worth?

Knightmon - BT5-042 (2021 Championship Online Regional) [Online Finalist] from Battle of Omni has a fair market value of about $5.20 (Near Mint, raw), based on a consensus of current market price guides.

What is the best price to sell Knightmon - BT5-042 (2021 Championship Online Regional) [Online Finalist]?

List around $5.49 to clear without leaving money on the table; that nets about $3.38 after fees and shipping.

What should I pay to buy Knightmon - BT5-042 (2021 Championship Online Regional) [Online Finalist]?

A disciplined buy target is about $4.82 — a discount to fair value that keeps an edge. Aim not to pay above $5.03.

Where can I buy Knightmon - BT5-042 (2021 Championship Online Regional) [Online Finalist]?

Knightmon - BT5-042 (2021 Championship Online Regional) [Online Finalist] is sold on eBay, TCGplayer, and Amazon. Compare live listings against the fair value of $5.20 and aim to pay under $5.03 — SplitShot links you straight to current listings at each marketplace.

Is now a good time to buy Knightmon - BT5-042 (2021 Championship Online Regional) [Online Finalist]?

Knightmon - BT5-042 (2021 Championship Online Regional) [Online Finalist] is trending stable lately. A disciplined entry is under $5.03; paying near or below $4.82 keeps a margin of safety versus the $5.20 fair value.

Estimate for guidance, not an appraisal. Value your exact copy →