One Piece TCG Price Trends 2026: Biggest Risers, Fallers & 90-Day Signals
One price is a snapshot; a trend needs at least two comparable observations of the same exact printing. This page uses Haki’s production TCGPlayer USD history to show screened 30- and 90-day signals without mistaking a variant mismatch, stale feed, or unit-shift outlier for market movement.
The live export was run on August 10, 2026. Of the card records with a tracked USD field, 1,036 passed the 30-day screen and 975 passed the 90-day screen. These are changes in tracked market fields—not guaranteed sale returns and not proof of what caused a move.
Biggest 30-day risers
| Printing | Set/product | Jul 11–12 | Aug 10 | Change |
|---|---|---|---|---|
Otama OP07-022-v1 | 500 Years in the Future | $10.52 | $28.69 | +172.7% |
Perona OP12-034 | Legacy of the Master | $6.39 | $16.67 | +160.9% |
Nami EB02-017 | Anime 25th Collection | $5.87 | $13.75 | +134.2% |
Charlotte Pudding PRB02-010 | The Best Vol. 2 | $9.06 | $20.51 | +126.4% |
Perona OP14-033 | The Azure Sea’s Seven | $5.08 | $11.22 | +120.9% |
Biggest 30-day fallers
| Printing | Set/product | Jul 10–11 | Aug 10 | Change |
|---|---|---|---|---|
Trafalgar Law P-088-v2 | The Best Vol. 2 | $14.75 | $5.54 | -62.4% |
Kuina OP12-026-v1 | Best Selection Vol. 5 | $13.14 | $5.76 | -56.2% |
Monkey.D.Luffy P-001-v5 | Gift Collection 2023 | $249.23 | $109.96 | -55.9% |
Monkey.D.Luffy ST13-003 | Ultra Deck: The Three Brothers | $15.12 | $6.69 | -55.8% |
Girl P-096 | Misc. Promos | $12.47 | $5.91 | -52.6% |
Biggest 90-day signals
The longer window changes the leaders. It can reveal sustained repricing, but it still cannot establish causation.
| Direction | Printing | May 11–14 | Aug 10 | Change |
|---|---|---|---|---|
| Riser | Bad Manners Kick Course OP04-016-v1 | $7.09 | $27.81 | +292.2% |
| Riser | Nami OP15-086-v1 | $49.31 | $192.46 | +290.3% |
| Riser | Monkey.D.Luffy OP10-111-v3 | $35.21 | $134.93 | +283.2% |
| Riser | Ryuma P-072 | $23.38 | $88.35 | +277.9% |
| Riser | Eustass“Captain”Kid ST02-001-v1 | $6.42 | $24.06 | +274.8% |
| Faller | Girl P-096 | $22.35 | $5.91 | -73.6% |
| Faller | Enel EB02-052 | $25.08 | $8.14 | -67.5% |
| Faller | Kalgara OP08-098-v1 | $30.87 | $11.87 | -61.5% |
| Faller | Enel OP15-118 | $24.05 | $9.73 | -59.5% |
| Faller | Nami EB03-053 | $33.63 | $14.09 | -58.1% |
How the August 10 screen works
The export applies the same rules to every row:
- Use only the TCGPlayer USD field and its own history; never mix currencies or sources.
- Require both endpoints to be at least $5 and the current record to be no more than two days old.
- Require at least 90 historical observations and a start point within 14 days of the target date.
- Require the current field to sit within 25% of the nearest history point.
- Remove moves above +300% or below -80%, which catches obvious unit shifts and mapping breaks before ranking.
The thresholds reduce false positives; they do not verify liquidity or completed-sale volume. Each table names the exact code, dates, and values so the signal can be checked again.
What is a healthy 30-day price trend?
A useful 30-day trend uses the same source, currency, language, condition assumption, and exact card code at both endpoints.
30-day change % = (latest price - price 30 days ago) / price 30 days ago × 100
Add the number of observed sales or listings when the source provides it. A 20% move supported by many transactions is different from a 20% move caused by one sale. The Haki screen uses history density as a quality check, not as a substitute for transaction volume.
Why use a 90-day window?
Thirty days can be dominated by a release, event, or temporary supply gap. A 90-day series helps answer whether the card held the move. Record at least monthly observations, and use weekly observations for cards you may actually buy or sell.
Do not splice TCGPlayer USD and Cardmarket EUR into one line. Track them separately and compare direction only after accounting for region and currency. The Cardmarket vs TCGPlayer guide explains why the two markets can disagree.
Five filters for false signals
- Variant check: did the code, image, language, or foil treatment change?
- Freshness check: did the source actually update on both dates?
- Liquidity check: were there enough transactions to support the move?
- Condition check: are you comparing raw with raw or the same slab grade?
- Event check: was there a reprint, restriction, deck result, product release, or correction to the marketplace match?
The first two checks are especially important in a large card database. One mismatched product ID can create a dramatic chart that is really a data correction.
How to interpret these movers
The tables show what changed in the screened series, not why. A product release, deck result, restriction, reprint, marketplace correction, or thin transaction can all produce a similar chart. Check official announcements and completed-sale depth before assigning a cause.
The presence of The Best Vol. 2, Gift Collection 2023, premium collections, booster cards, and promos on both sides is also a warning against treating a product label as a return forecast. Exact-print demand and supply still have to be evaluated row by row.
Build your own trend routine
- Find the exact print in the One Piece card database or with card search.
- Save its code, source, currency, observed price, and date.
- Recheck the same source weekly.
- Calculate 30- and 90-day changes only when both endpoints exist.
- Note major product, rules, or reprint events without assuming causation.
- Verify current listings and completed sales before making a transaction.
The scanner helps with identification, the price guide covers source and condition caveats, and the collection tracker keeps exact printings together. Trend analysis begins only after the card is correctly identified.
FAQ
Can I calculate a trend from asking prices?
You can track asking-price changes, but label them separately from sold or market values. An unsold listing is not a transaction.
What is a good percentage gain?
There is no universal threshold. Selling costs, liquidity, risk, and your purchase price determine the outcome. A large percentage move in a thin market may not be realizable.
How often should I update a watchlist?
Weekly is enough for most collecting decisions; check again immediately before buying or selling. Preserve the dates so the series remains auditable.
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